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RCI Holland Code careers (Realistic, Conventional, Investigative)

Explore occupations with an O*NET interest code corresponding to RCI, see what the work involves, and compare related occupations.

These U.S. O*NET 31.0 codes describe the interests associated with work activities. See each profile for its tasks and entry requirements. O*NET 31.0

Occupations with the code RCI

  • Electrical and electronics installers and repairers, transportation equipment

    Under U.S. O*NET-SOC 49-2093.00, install, inspect, test, and repair electrical and electronic systems on transportation equipment (motor vehicles, rail vehicles, ships, aircraft, and more): read circuit diagrams and work orders, measure with instruments to locate faults, replace or adjust components, perform preventive maintenance and keep records, then retest and submit for release confirmation by an authorized role.

    RCI · 49-2093.00

  • Chemical Equipment Operators and Tenders

    Chemical equipment operators monitor assigned equipment, record readings and report anomalies under procedures that define authorized actions.

    RCI · 51-9011.00

  • Electromechanical equipment assemblers

    Check drawings and parts lists, assemble electromechanical units, record identifiers and measurements, and route revision or measurement discrepancies to quality review.

    RCI · 51-2023.00

  • Electrical and electronics repairers, powerhouse, substation, and relay

    Under U.S. O*NET-SOC 49-2095.00, inspect, test, repair, or maintain electrical equipment in powerhouses, substations, and in-service relays: read controlled drawings and setting sheets, test equipment and circuits with instruments, repair and replace components, check protection settings and record results, then retest and submit for confirmation by an authorized role that equipment may resume operation.

    RCI · 49-2095.00

  • Industrial Machinery Mechanic

    Industrial machinery mechanics diagnose faults in production equipment, repair or replace components and help verify that the machine can return to service. They coordinate with operators, maintenance planners and technical specialists.

    RCI · 49-9041.00

  • Stationary engineers and boiler operators

    Stationary engineers and boiler operators run or maintain equipment that supplies building or process utilities and document conditions across shifts. Credentials vary.

    RCI · 51-8021.00

  • Farm Equipment Mechanics and Service Technicians

    Diagnose, adjust, repair, and overhaul agricultural machinery and vehicles, including tractors, harvesters, milking and feeding equipment, and irrigation systems: determine fault causes and repair plans, disassemble and assemble equipment and replace parts, service hydraulic, drivetrain, and electrical systems, make adjustments and conduct test runs, document repairs and parts used, and explain fault causes and operating precautions to users.

    RCI · 49-3041.00

  • Security and Fire Alarm Systems Installers

    Security and fire alarm systems installers (O*NET 49-2098) install, program, maintain and repair alarm equipment per work orders and drawings, test circuits, sensors, backup batteries and alarm functions, and explain use and false alarm handling to clients. Construction, fire and electrical requirements follow local codes and authorization.

    RCI · 49-2098.00

  • Mobile heavy equipment mechanics

    Mobile heavy equipment mechanics (O*NET 49-3042.00) diagnose, adjust, repair, or overhaul mobile mechanical, hydraulic, and pneumatic equipment used in construction, logging, and mining, such as cranes, bulldozers, graders, and conveyors.

    RCI · 49-3042.00

  • Electronic equipment installers and repairers, motor vehicles

    Following U.S. O*NET-SOC 49-2096.00, install, diagnose, and repair communication, audio, security, and navigation equipment on motor vehicles: check vehicle model configurations, perform disassembly/refitting, routing, wiring, and securing according to manufacturer information, commission and verify functions, and hand over vehicles under procedures while documenting warranty boundaries.

    RCI · 49-2096.00

  • Electrical and electronics repairers, commercial and industrial equipment

    Check fault records, inspect commercial equipment or industrial controls under a work order, and document repairs, rechecks and return status. Ask which equipment and decisions are within the role.

    RCI · 49-2094.00

  • Hydroelectric Plant Technician

    Hydroelectric plant technicians inspect generators and related equipment, record defects and support operations or maintenance. Some roles focus on mechanical, electrical or controls work. The U.S. figures here cover the broader power plant operators occupation.

    RCI · 51-8013.04

  • Robotics Technicians

    Robotics Technicians (O*NET 17-3024.01) install, program, troubleshoot, test, and maintain robotic equipment and related automation systems, handling sensor signals, control programs, end effectors, and system integration; deliverables must be verified, risk-assessed, and confirmed by authorized personnel.

    RCI · 17-3024.01

  • Photonics Technicians

    Photonics technicians help set up and maintain optical test equipment, check calibration status and record samples and readings against the designated procedure. Engineers use those records to trace measurement conditions.

    RCI · 17-3029.08

  • Construction equipment operator

    Operate powered construction equipment such as excavators, bulldozers, graders, and loaders to excavate, move, and grade; follow site safety rules, inspect equipment, and coordinate with ground personnel.

    RCI · 47-2073.00

  • Automotive Service Technicians and Mechanics

    Automotive service technicians check vehicle condition and work orders, diagnose mechanical and electrical faults, and verify authorized repairs against manufacturer information. Mechanical work, body repair, commercial vehicles and high-voltage EV work have different requirements.

    RCI · 49-3023.00

  • Electrical and Electronic Equipment Assemblers

    Check parts and revisions against the work order, assemble electrical or electronic equipment, record checks and refer discrepancies to quality or the shift lead.

    RCI · 51-2022.00

  • Geothermal Technician

    Geothermal technicians monitor and maintain equipment, log readings and help find faults. Some work in geothermal power plants; others install or service heat pumps. U.S. wages and projections here cover a broader installation and repair occupation.

    RCI · 49-9099.01

  • Aircraft and Avionics Equipment Mechanics and Technicians

    This profile covers both aircraft maintenance and avionics equipment work. Mechanics focus on airframes, powerplants and mechanical systems. Avionics technicians focus on electronics, signals and fault records. Both preserve work-card evidence, with separate limits for performing, reviewing and releasing work.

    RCI · 49-3011.00

  • Aircraft Mechanics and Service Technicians

    Aircraft mechanics and service technicians inspect, troubleshoot and maintain aircraft under applicable manuals and work cards. Line, base and engine maintenance have different work rhythms. Completing a work card, having it reviewed and authorizing return to service are separate decisions.

    RCI · 49-3011.00

  • Locomotive Engineers

    Locomotive engineers drive locomotives in rail service. They check operating information, signals and equipment condition and report exceptions to dispatchers, crew and maintenance staff under railroad procedures.

    RCI · 53-4011.00

  • Wind Turbine Service Technicians

    Wind turbine service technicians inspect, maintain and troubleshoot turbines against work orders. They record alarms, readings, actions and open checks. Work at height and isolation follow site authorization.

    RCI · 49-9081.00

  • Motorcycle Mechanics

    Motorcycle Mechanics (O*NET-SOC 49-3052.00) diagnose, adjust, repair, or overhaul motorcycles, scooters, mopeds, dirt bikes, and similar motorized vehicles. Work centers on fault diagnosis and disassembly inspection, parts replacement and assembly calibration, chassis and transmission system repair, test-ride verification, and delivery records.

    RCI · 49-3052.00

  • Bus and Truck Mechanics and Diesel Engine Specialists

    Bus and truck mechanics diagnose and repair commercial vehicles and diesel engines, then document what the repair resolved.

    RCI · 49-3031.00

  • Avionics Technicians

    Avionics technicians install, inspect and troubleshoot aircraft electronics, including communications and navigation equipment. Line work centers on systems and work cards; bench repair centers on serial numbers, test records and fault reproduction. Verify maintenance, inspection and return-to-service authority separately.

    RCI · 49-2091.00

  • Calibration Technologists and Technicians

    Calibration technicians compare instruments with reference standards, record deviations and conditions, and follow procedures for out-of-tolerance readings.

    RCI · 17-3028.00

  • Biofuels Processing Technicians

    Biofuels processing technicians log materials, monitor fermentation or reactions and check equipment and batch records. Procedures define who responds to alarms or makes repairs.

    RCI · 51-8099.01

  • Earth drillers, except oil and gas

    Earth drillers operate drilling equipment for water wells, mineral exploration, soil investigations and construction or mining holes. Duties vary by project: coring, well development and drilling blast holes are possible tasks, not a requirement that every worker performs all of them. In mainland China, the work overlaps with geological exploration drillers (4-08-07-01); project scope, employer training and applicable work-safety requirements need separate checks.

    RCI · 47-5023.00

  • Medical Equipment Repairer

    Medical equipment repairers install, inspect, maintain and repair medical equipment. They document service and coordinate verification before return to use. Clinical operation is a separate assignment.

    RCI · 49-9062.00

  • Surveying and mapping technicians

    Surveying and mapping technicians usually collect, organise and check spatial data under the supervision of engineers, surveyors or mapping professionals, calculate survey results and produce or update maps. Field instruments, office data and layer quality checks are connected; the technician's assistance is not the same as obtaining the authority of an independent surveyor to practise or publish results. Use the fictional coordinates first to check the units, layers and delivery limits.

    RCI · 17-3031.00

  • Nuclear monitoring technicians

    Nuclear monitoring technicians (O*NET-SOC 19-4051.02) collect and test samples to monitor nuclear experiment results and radioactive contamination of personnel, facilities and the environment: using detectors and instruments to determine radiation intensity and type in work areas, equipment or materials; monitoring personnel exposure and area radiation levels; calculating safe exposure times from site contamination readings and prescribed safety levels; collecting and analyzing air, water, gas or solid samples; installing and testing area radiation alarm equipment; providing initial response to alarms or abnormal events; guiding radiation safety procedures and protective equipment use; preparing contamination testing and decontamination reports and radiation work permits; and disposing of radioactive waste under procedures. This page uses only official sources to explain occupational scope, tasks, preparation requirements, Chinese and US statistical definitions, and authorization boundaries.

    RCI · 19-4051.02

  • Aerospace Engineering and Operations Technologists and Technicians

    Aerospace engineering and operations technologists and technicians turn a test plan into traceable instruments, equipment checks and original records. Test support, measurement and assembly quality have different outputs. When a certificate or version does not match, keep the original record and refer the decision to authorized staff.

    RCI · 17-3021.00

  • Endoscopy Technicians

    Under U.S. O*NET-SOC 31-9099.02, prepare and maintain endoscopy equipment during endoscopic procedures, assist at the operator's direction, and complete instrument reprocessing and traceability records according to protocol; job training, reprocessing authorization, and infection control requirements must be verified against the original local and institutional texts. (The U.S. wage and employment figures checked are broader-group figures.)

    RCI · 31-9099.02

  • Animal Breeders

    Animal breeders use pedigree, trait and health records to make breeding selections and track animals. Veterinary duties and permits depend on the operation and jurisdiction.

    RCI · 45-2021.00

  • Food Science Technicians

    Food science technicians carry out work involving this occupation's materials, processes, quality requirements, and deliverables. Specific duties, training, qualifications, agreements, and authorization must be checked against the original requirements of the location and employer.

    RCI · 19-4013.00

  • Nuclear Technicians

    Nuclear Technicians (O*NET-SOC 19-4051.00, Nuclear Technicians) assist nuclear physicists, nuclear engineers, or other scientists in laboratory, power generation, and electricity production activities: operating, testing, and maintaining nuclear equipment according to nuclear equipment operating policies and radiation worker procedures, performing surveillance tests to judge equipment safety status, monitoring reactor equipment performance and identifying inefficiencies, hazards, or maintenance needs, tagging equipment awaiting repair and implementing isolation, using detectors or other instruments to measure the intensity and type of radiation in work areas, equipment, or materials, calculating operating factors such as exposure time, dose, and gamma intensity using standard formulas, collecting and testing air, water, gas, or solid samples, performing decontamination, and setting up area radiation anomaly alarm devices. This page uses only official sources to explain the occupational scope, tasks, Chinese and U.S. statistical scope, and authorization boundaries.

    RCI · 19-4051.00

  • Animal Control Workers

    Start with a report: who logs it, who verifies it, and who can accept a handover? U.S. SOC 33-9011 can involve animal control, shelter intake, investigations and enforcement. In mainland China, check local responsibilities, the job and its authority.

    RCI · 33-9011.00

  • Geological Technician

    Geological technicians collect and check data for geologists or engineers. They may label cores, analyze drill cuttings, record borehole conditions or prepare samples for testing. This profile excludes the hydrologic technician occupation, though some projects involve water monitoring.

    RCI · 19-4043.00

  • Forest and conservation technicians

    Forest And Conservation Technicians (O*NET-SOC 19-4071.00) provide technical assistance for the conservation of soil, water, forests and related natural resources: they may, under the direction of foresters, compile and organise data on the size, composition and condition of forest tracts, or train and lead forest workers in forest propagation and fire prevention and suppression, and assist conservation scientists in managing and improving rangelands and wildlife habitats. Official definition text: Provide technical assistance regarding the conservation of soil, water, forests, or related natural resources. May compile data pertaining to size, content, condition, and other characteristics of forest tracts under the direction of foresters, or train and lead forest workers in forest propagation and fire prevention and suppression. May assist conservation scientists in managing, improving, and protecting rangelands and wildlife habitats.

    RCI · 19-4071.00

  • Fish and game wardens

    Patrol assigned areas to prevent violations of fish and game laws and regulations; investigate reports of wildlife damaging crops or property; compile biological data. (US SOC/O*NET 33-3031.00, Fish and Game Wardens)

    RCI · 33-3031.00

  • Traffic technicians

    Traffic technicians survey traffic volume, speed and traffic facility conditions under the direction of a traffic engineer, organise records, review anomalies and provide charts and handover material. The United States identity is O*NET53-6041.00, and the standalone wage and employment statistics keep their own period. You can first complete the T1—T3 fictional counting exercise to observe data discipline and correction ability; paper works do not authorise field surveys, equipment operation or signal changes.

    RCI · 53-6041.00

  • Industrial Engineering Technician

    Industrial engineering technicians collect measurements, document production conditions and support process trials. Their records help engineers test whether a layout or process works. Work may include time studies or production documentation.

    RCI · 17-3026.00

  • Agricultural inspectors

    Agricultural inspectors check products, facilities or activities against applicable rules, record evidence and flag corrective action. Inspection records and formal decisions follow separate authority.

    RCI · 45-2011.00

  • Radiologic Technologists and Technicians

    Radiologic technologists and technicians carry out X-ray, CT and other imaging work under examination requests and applicable protocols: identity and site checks, patient preparation and positioning, authorized exposure settings, image acquisition, technical image-quality evaluation and documentation. Technical evaluation is not disease diagnosis. Contrast-related duties require applicable legal and professional conditions and physician guidance. U.S. wages use exact occupation 29-2034; this page’s employment overview uses the combined radiologic and MRI group. Mainland China education, recruitment, professional-title qualifications and applicable radiation-worker requirements are considered separately; exact national or city occupational wages remain unavailable.

    RCI · 29-2034.00

  • Fire Inspectors and Investigators

    Inspect buildings to detect fire hazards and enforce local ordinances and state laws, or investigate and gather facts to determine the cause of fires and explosions: includes conducting premises inspections and hazard determinations under fire codes, testing and acceptance-testing fire protection and detection systems, checking premises where hazardous materials are stored or used and issuing permits, examining fire and explosion scenes and collecting physical evidence for laboratory submission, writing inspection and investigation conclusion reports, and carrying out public fire education and evacuation drills.

    RCI · 33-2021.00

  • Phlebotomists

    Phlebotomists (O*NET 31-9097.00) collect blood samples for testing, transfusion, donation, or research, check patient identities and sample labels, hand samples over, explain procedures to patients, and observe adverse reactions. Working with patient identities, test or collection requests, sample labels, times, and handover records, they produce identity-to-sample matching records, incident reports, and traceable handovers. Invasive blood collection, infection prevention, and adverse reaction management must be performed by trained and authorized personnel under institutional procedures. Work settings, qualifications, and final responsibility must be checked against local and institutional rules.

    RCI · 31-9097.00

  • Diagnostic Medical Sonographers

    Diagnostic medical sonographers acquire and check ultrasound images, measurements and technical records for physicians to interpret. This is U.S. O*NET 29-2032.00. Mainland China distinguishes technical and physician roles in hiring, qualifications and diagnostic responsibility.

    RCI · 29-2032.00

Other occupations with shared interests

  • Nondestructive testing specialists

    Nondestructive testing specialists (O*NET-SOC 17-3029.01) inspect structures and equipment for defects without damaging the inspected object. They select, calibrate and operate ultrasonic, radiographic, magnetic particle, penetrant, eddy current and acoustic emission testing equipment according to standards and procedures, interpret signals and images, evaluate results against codes, document methods and processes and prepare inspection reports, while meeting radiation and on-site work safety requirements. This page uses only official sources to explain occupational scope, tasks, preparation requirements, Chinese and US statistical definitions, and authorization boundaries.

    RIC · 17-3029.01

  • Automotive Engineering Technicians

    Automotive engineering technicians help engineers prepare tests, verify instruments and test conditions, record performance or durability data, and flag anomalies. O*NET 17-3027.01 is the detailed role. U.S. pay and employment figures here use the broader mechanical engineering technician group (17-3027).

    RIC · 17-3027.01

  • Nanotechnology engineering technologists and technicians

    Nanotechnology engineering technologists and technicians (O*NET 17-3026.01) implement production processes under the supervision of nanotechnology engineering staff, operating commercial-scale equipment to produce and test nanoscale materials and devices, and use advanced microscopy equipment to manipulate nanoscale objects. This page uses only official sources to explain the occupation scope, tasks, preparation requirements, Chinese and United States statistical scopes, and authorization boundaries.

    RIC · 17-3026.01

  • Dental Laboratory Technicians

    Dental laboratory technicians make and repair restorations to a dentist’s order. They check impressions, scans and materials, and document fabrication, inspection and rework. Dentists handle diagnosis, prescriptions, clinical fitting and adjustments. Try the D-01 paper case to see how you feel about checking dimensions and files.

    RIC · 51-9081.00

  • Electrical and Electronic Engineering Technologists and Technicians

    Check drawing versions and test conditions, record measurements on electrical or electronic equipment and refer discrepancies to engineering staff.

    RIC · 17-3023.00

  • Mechanical Engineer

    Mechanical engineers turn functional and manufacturing requirements into designs, analyses and test plans. They compare alternatives, develop prototypes and coordinate with drafting, manufacturing and quality teams.

    RIC · 17-2141.00

  • Aviation Inspectors

    Aviation inspectors compare maintenance records and inspection evidence with applicable standards, identify defects and document what can be verified. Employer quality checks, maintenance release and regulatory enforcement carry different authority. Check what the role delivers and who signs it.

    CRI · 53-6051.01

  • Precision Agriculture Technicians

    Precision agriculture technicians organize field boundaries, sampling points and yield data into traceable maps and records. Agricultural teams use them to study variation across a field.

    RIC · 19-4012.01

  • Histology Technician

    Histology technicians prepare tissue slides and record specimen handling under laboratory procedures. They may cut sections, stain slides and check preparation quality. Slide preparation supports later review; it does not itself establish a diagnosis.

    RIC · 29-2012.01

  • Veterinary technologists and technicians

    Veterinary technologists and technicians support sampling, testing, care and recordkeeping under supervision and within local scope rules.

    RIC · 29-2056.00

  • Biological technicians

    Biological technicians help prepare materials, check equipment, record work and flag deviations under the direction of researchers or team leads. Research support and manufacturing have different requirements. Check the actual duties and institutional procedures. BLS projects U.S. biological technicians (19-4021) from about 74,400 jobs in 2025 to 79,900 in 2035, up 7.4%, a net gain of about 5,500, with about 9,400 annual openings from growth and replacement. The 2025 baseline includes 0.1% self-employment.

    CRI · 19-4021.00

  • Environmental Engineering Technologists and Technicians

    Environmental engineering technicians follow procedures for sampling, tests or equipment checks, maintain field and laboratory records and route anomalies to the lead.

    RIC · 17-3025.00

  • Remote Sensing Technicians

    Remote sensing technicians assist scientists in using remote sensing technology, collecting spatial data, processing and fusing imagery, and checking the completeness and accuracy of system data; some positions take part in flight planning or sensor configuration. This page covers O*NET 19-4099.03. The U.S. wage statistics and employment projections apply to the broader BLS group 19-4099.

    CRI · 19-4099.03

  • Robotics Engineers

    Robotics engineers (O*NET 17-2199.08) design, develop, debug, and test robotic systems, handling sensor signals, control programs, end effectors, and system integration; delivery requires verification, risk assessment, and confirmation by authorized personnel.

    RIC · 17-2199.08

  • Environmental Science and Protection Technicians

    Under the direction of environmental scientists, engineers, or other professionals, conduct laboratory and field testing to monitor the environment and investigate sources of pollution (including factors affecting health); collect gas, soil, water, and other samples according to procedures, record data, and produce testing reports.

    RIC · 19-4042.00

  • Environmental Science and Protection Technicians, Including Health

    Under the direction of environmental scientists, engineers, or other professionals, conduct laboratory and field testing related to environmental health: monitor pollution and health hazard factors in air, water, soil, and workplaces, investigate sources of pollution or disease outbreaks, collect samples and record data, and provide traceable testing results to protect public and worker health.

    RIC · 19-4042.00

  • Chemical Engineers

    Chemical engineers turn material, energy and safety requirements into process designs and specify equipment, controls and verification.

    RIC · 17-2041.00

  • Surveyors

    Surveyors check survey records, cadastral and ownership material, determine position, elevation and boundaries, compile sketches, maps, reports and boundary descriptions, and carry result review and certification responsibility according to the jurisdiction and duties. The work connects field surveying, office calculation and engineering collaboration; knowing how to use instruments is not the same as being able to certify property boundaries independently.

    CRI · 17-1022.00

  • Civil engineers

    Civil engineers plan and design infrastructure, review technical documents, and oversee construction or maintenance. Duties vary by project and discipline.

    RIC · 17-2051.00

  • Geodetic Surveyor

    Geodetic surveyors measure positions and elevations across large areas. Their work helps different surveys use a common reference. They may collect satellite observations or check control measurements; U.S. wage and outlook data cover all surveyors, not this specialty alone.

    RIC · 17-1022.01

  • Electronics Engineers, Except Computer

    Turn component, signal and interface requirements into circuit designs. Review schematics, board-level verification and part revisions, and document changes and evidence.

    RIC · 17-2072.00

  • Veterinary assistants and laboratory animal caretakers

    Veterinary assistants and lab animal caretakers feed animals, maintain environments and record observations under supervision.

    RIC · 31-9096.00

  • Computer hardware engineer

    Research, design, develop or test computer and computer-related equipment for commercial, industrial, military or scientific use, and possibly supervise its manufacture and installation: discuss with engineers and consult specifications to assess hardware and software interfaces and system operation and performance requirements; design and develop computer hardware and supporting peripherals, including central processing units and support logic and microprocessors and custom integrated circuits and printers and disk drives; select hardware and materials and ensure they meet specifications and product requirements; evaluate cost and safety and reporting format requirements to determine hardware configuration; specify power supply requirements and configuration; build and test and modify product prototypes using working models built through computer simulation or theoretical models; test and validate hardware and supporting peripherals by recording and analyzing test data; write detailed functional specifications and document the hardware development process; provide technical support to designers and marketing and sales and suppliers and engineers; instruct technicians and engineering design staff; provide training and support to system designers and users; and monitor equipment function and make necessary modifications.

    RIC · 17-2061.00

  • Chemical Technicians

    Chemical technicians prepare samples, run instruments, check quality controls and document results for research or quality teams.

    IRC · 19-4031.00

  • Nuclear medicine technologists

    Nuclear medicine technologists (O*NET-SOC 29-2033.00) prepare, administer and measure radioisotopes under physician direction for diagnosis, treatment and tracer research: preparing radiopharmaceuticals and calculating and recording doses under requirements, operating gamma cameras, PET and other imaging equipment, processing quantitative study data such as cardiac function, explaining procedures and safety precautions to patients, performing equipment quality control, and storing drugs and disposing of radioactive waste under radiation safety procedures. This page uses only official sources to explain occupational scope, tasks, preparation requirements, Chinese and US statistical definitions, and authorization boundaries.

    RIC · 29-2033.00

  • Electrical engineers

    Turn system requirements into an electrical design and verification plan. Review equipment choices, test results and changes, and hand over unresolved requirements.

    RIC · 17-2071.00

  • Mining and Geological Engineers

    Mining and Geological Engineers (O*NET 17-2151.00) conduct subsurface surveys to assess land and mining development sites, select and plan safe, economical, environmentally sound extraction methods and facilities, inspect unsafe conditions, and implement mine safety programs.

    RIC · 17-2151.00

  • Mining and Geological Engineers, Including Mining Safety Engineers

    Mining and Geological Engineers, Including Mining Safety Engineers (O*NET 17-2151.00) conduct subsurface surveys to assess land and mining development sites, select and plan safe, economical, environmentally sound extraction methods and facilities, inspect unsafe conditions, and implement mine safety programs.

    RIC · 17-2151.00

  • Mechatronics Engineers

    Mechatronics engineers combine mechanical parts, sensors, actuators and controls into testable systems. They deliver interface specifications, control designs or validation records.

    RIC · 17-2199.05

  • Wind Energy Engineers

    Wind energy engineers analyze layouts, equipment and infrastructure options, documenting model inputs, design revisions and interfaces that require other disciplines’ review.

    RIC · 17-2199.10

  • Police Identification and Records Officers

    Police identification and records officers work with evidence identifiers, examination records and transfer information. Records let later staff trace the item ID and time of receipt.

    CRI · 33-3021.02

  • Fire-Prevention and Protection Engineers

    Research the causes of fires, determine fire prevention methods, and design or recommend materials and equipment such as structural components and fire detection devices to help organizations protect lives and property from fire, explosion, and related hazards: includes reviewing building drawings and verifying fire code compliance, designing fire detection and alarm systems and suppression devices, evaluating fire protection conditions such as water supply and evacuation exits, testing fire protection components and fire systems, preparing fire protection plans and technical reports, participating in revisions of codes and standards, and providing fire technical consulting and training to building design and construction personnel.

    RIC · 17-2111.02

  • Cytotechnologists

    Match specimens to records, prepare and stain slides, screen cell morphology under a microscope, and refer abnormal findings through the applicable review process.

    IRC · 29-2011.02

  • Automotive Engineers

    Automotive engineers define vehicle or component requirements, compare design options, plan verification and track cross-team changes and open risks. O*NET 17-2141.02 is the automotive specialization. U.S. wages and employment use the broader mechanical engineer group (17-2141).

    RIC · 17-2141.02

  • Cytogenetic Technologists

    Cytogenetic technologists prepare specimens, stain or hybridize slides, and examine chromosome number and structure. They document quality issues and submit findings under laboratory procedures. Result approval and clinical interpretation follow local roles and institutional rules.

    IRC · 29-2011.01

  • Fuel Cell Engineers

    Fuel cell engineers design, validate and improve stacks, components or systems for transportation, stationary or portable applications. Typical work includes planning tests, analyzing performance and durability data, and handing off design changes.

    RIC · 17-2141.01

  • Water/Wastewater Engineers

    Water/wastewater engineers design water supply, wastewater treatment facilities and pipe networks. Compare treatment design, hydraulic modeling and plant operations before choosing a role. Real projects require verified inputs, applicable standards and authorized review. U.S. pay and outlook cover the broader civil engineer occupation.

    RIC · 17-2051.02

  • Solar Energy Systems Engineers

    Analyze sites, energy demand and solar system options, carry out photovoltaic or solar thermal design, performance assessment and technical review, and support installation and commissioning. The core output is an engineering solution with inputs, assumptions, calculations and version bases; design advice, construction implementation, professional signing and project approval each have their own responsibility boundaries.

    RIC · 17-2199.11

  • Manufacturing Engineer

    Manufacturing engineers design, integrate and improve production processes. They coordinate fixtures, work instructions and quality needs and use pilot runs to verify that a process can operate consistently.

    RIC · 17-2112.03

  • Health and Safety Engineer

    Health and safety engineers identify hazards in equipment, processes or workplaces and evaluate ways to reduce them. Roles may focus on product safety, facilities or system design. U.S. figures use 17-2111, excluding mining safety engineers and inspectors.

    IRC · 17-2111.00

  • Health and Safety Engineer, Except Mining Safety

    This U.S. occupation covers engineers who assess and control hazards outside the mining safety engineer and inspector category. Work may include evaluating equipment or product designs, reviewing incidents and testing controls. Training and authorization depend on the job and jurisdiction.

    IRC · 17-2111.00

  • Clinical Laboratory Technologist

    Clinical laboratory technologists conduct testing and help maintain the quality of laboratory processes. They may review unusual results and work on complex methods. Authorization depends on the laboratory and jurisdiction.

    IRC · 29-2011.00

  • Microsystems Engineers

    Microsystems Engineers (O*NET 17-2199.06) research, design, develop, or test microelectromechanical systems (MEMS) devices. U.S. wages and employment use the parent category Engineers, All Other.

    IRC · 17-2199.06

  • Forensic science technicians

    Collect and analyse physical evidence in criminal cases, record the scene and examination process and write reports, and some staff give evidence in court within their field of expertise. The division between scene and laboratory positions and independent examination and sign-off authority must be verified against the locality and the institution.

    IRC · 19-4092.00

  • Validation engineers

    Validation engineers translate requirements into tests and acceptance criteria and document results and deviations for traceability.

    ICR · 17-2112.02

  • Photonics Engineers

    Photonics engineers turn optical performance needs into designs and test requirements. Prototype data helps them identify which specifications are met and where a design needs revision.

    RIC · 17-2199.07

  • Chemists

    Chemists design or run experiments and analyses, interpret material or compound data and document methods and reproducibility conditions.

    IRC · 19-2031.00

  • Industrial Engineer

    Industrial engineers design and evaluate systems that combine people, equipment, materials and information. They may improve production flow, quality, logistics or cost. A useful recommendation balances throughput with safety and quality.

    CIR · 17-2112.00

  • Energy Engineers, Except Wind and Solar

    Under U.S. O*NET-SOC 17-2199.03, perform load analysis, system modeling and simulation, scheme design, engineering calculations, and energy efficiency estimation for industrial and building energy systems, producing reviewable design descriptions and calculation books; excludes wind and solar specializations. (The U.S. wage and employment figures checked are broader-group figures.)

    RIC · 17-2199.03

  • Transportation engineers

    Transportation engineers prepare plans, designs, technical notes and estimates for roads, transportation facilities and systems, and analyse traffic operations and improvement needs. The precise identity on this page is 17-2051.01; United States wages and employment use the civil engineers 17-2051 broad group reference, which cannot serve as transportation specialism statistics or Chinese treatment.

    RIC · 17-2051.01

  • Petroleum engineers

    Petroleum engineers use well information and production data to assess recovery and evaluate development or production designs. A proposal needs to identify its observations and assumptions.

    RIC · 17-2171.00

  • Aerospace Engineers

    Aerospace engineers turn aircraft and spacecraft requirements into designs that can be analyzed and verified. Structures, aerodynamics, systems and testing produce different work: analysis explains assumptions and units; verification links requirements to evidence. Check design, manufacturing, maintenance and certification responsibilities separately.

    IRC · 17-2011.00

  • Histotechnologist

    Histotechnologists prepare and assess tissue slides and may troubleshoot staining or support the evaluation of laboratory methods. Duties can overlap with histology technicians. The authority to make a diagnosis is separate.

    IRC · 29-2011.04

  • Computer network support specialist

    Network support specialists keep an existing network working. They establish the scope of an incident, examine logs or monitoring data, test likely causes, resolve or escalate the issue within their authority, and document the handoff. Major changes follow the organization’s approval and rollback process.

    CIR · 15-1231.00

  • Hydrologist

    Hydrologists study how water moves through land and underground systems. They analyze measurements and test models to explain floods, water availability or groundwater changes. Study design and interpretation distinguish the role from routine data collection.

    IRC · 19-2043.00

  • Energy Auditors

    Under U.S. O*NET-SOC 47-4011.01, define the audit scope and data scope with the client, collect bills and equipment records, perform on-site measurement and verification, establish an energy baseline and calculate itemized energy consumption, estimate energy-saving measures, and produce a reviewable audit report; does not carry out retrofit construction. (The U.S. wage and employment figures checked are broader-group figures.)

    CRI · 47-4011.01

  • Remote Sensing Scientists and Technologists

    Remote sensing scientists and technologists combine satellite, aerial, or ground sensor data with other geographic information, design analysis methods, validate results, and interpret resource, environmental, or urban problems. This page corresponds to O*NET 19-2099.01; public wage and employment statistics only go up to the broad 19-2099 category.

    IRC · 19-2099.01

  • Foresters

    Foresters survey stands, estimate timber volume and use those findings to plan how forests are managed. Depending on the job, they may oversee contracts, replanting or habitat protection.

    RIC · 19-1032.00

  • Materials Scientist

    Materials scientists study how composition, structure and processing relate to material properties. They design experiments, interpret measurements and explain uncertainty. Findings may support publications or later engineering trials.

    IRC · 19-2032.00

  • Telecommunications Engineering Specialists

    Telecommunications engineering specialists specify equipment or networks, diagnose service issues and coordinate upgrades. Design and support both depend on traceable standards and equipment records.

    CRI · 15-1241.01

  • Marine Engineers and Naval Architects

    This page covers O*NET 17-2121.00. Marine engineers and naval architects design and evaluate vessels and their systems. Assignments may focus on hull layout and performance or on propulsion, power and equipment, with drawings, calculations and test records as deliverables.

    RIC · 17-2121.00

  • Quality Control Analysts

    Quality control analysts test raw materials, bulk intermediates, and finished products using standard methods, compare results with specifications and control limits and propose release recommendations, and also calibrate and maintain equipment, record data, write deviation reports, and take part in out-of-specification investigations. This page uses the precise US O*NET occupation 19-4099.01; the US wages and employment projections only go up to the BLS SOC 19-4099 "other life, physical, and social science technicians" broad category and are not a dedicated 19-4099.01 value, so the two cannot be substituted for each other. For China no verifiable precise occupational wage was obtained, and the insufficient-evidence marker is retained.

    CIR · 19-4099.01

  • Environmental Compliance Inspectors

    Under U.S. O*NET-SOC 13-1041.01, conduct on-site inspections and investigations of pollution sources and facilities, take samples and gather evidence according to protocol, determine compliance based on environmental regulations, and produce inspection reports and enforcement documents. (The U.S. wage and employment figures checked are broader-group figures.)

    CIR · 13-1041.01

  • Cardiovascular Technologists and Technicians

    Cardiovascular technologists and technicians prepare tests, collect or monitor data and document quality under clinical protocols.

    RIC · 29-2031.00

  • GIS Technologist or Technician

    GIS technologists and technicians build or maintain spatial databases, check layers and produce maps or data services. Some jobs also involve scripting or supporting applications. The U.S. statistics on this page cover a broader computer occupation category.

    CIR · 15-1299.02

  • Orthodontist

    Orthodontists assess teeth, jaw, and facial structures, develop dentofacial deformity treatment plans based on history, examinations, and imaging, install and adjust appliances, and follow up efficacy and risks. The U.S. O*NET 29-1023.00 occupational description cannot directly replace Chinese physician practice registration and organizational diagnostic and treatment authority requirements.

    IRC · 29-1023.00

  • Nanosystems engineers

    Nanosystems engineers (O*NET 17-2199.09) design, develop, or supervise the production of materials, devices, and systems with unique molecular or macromolecular composition, applying nanoscale physics and electrical, chemical, or biological engineering principles; the work centers on design planning, synthesis and characterization, testing and validation, documentation and review, and coordination with suppliers and technicians. This page uses only official sources to explain the occupation scope, tasks, preparation requirements, Chinese and United States statistical scopes, and authorization boundaries.

    IRC · 17-2199.09

  • Information security engineers

    Information security engineers develop security policies, build and maintain protective technologies, and design and evaluate controls for systems and data. Their work can include monitoring, incident response and forensic investigation; actual duties and authority depend on the job. U.S. wages and employment below describe the broader 15-1299 group, not a separately measured engineer occupation.

    CIR · 15-1299.05

  • Neurodiagnostic technologists

    Neurodiagnostic technologists (O*NET-SOC 29-2099.01) perform neuroelectrodiagnostic (END) examinations such as EEG, evoked potentials, polysomnography, and electronystagmography, and may conduct nerve conduction studies: collecting history and examination information, measuring and placing electrodes, recording and monitoring the patient, identifying artifacts, and organizing technical data and submitting a summary report to the physician. This page uses only official sources to explain the occupation scope, tasks, preparation requirements, Chinese and United States statistical scopes, and authorization boundaries.

    IRC · 29-2099.01

  • Penetration Testers

    Penetration testers (O*NET 15-1299.04), under prior written authorization with a defined scope and stop conditions, simulate attacks to find security weaknesses in networks, applications, and systems; they record re-checkable evidence, risk impact, and remediation advice, and re-test with system owners. Testing real systems without authorization is not part of the exercise on this page.

    ICR · 15-1299.04

  • Cartographers and Photogrammetrists

    Cartographers and photogrammetrists turn imagery and survey data into mapped features and document accuracy, coordinates and versions.

    CIR · 17-1021.00

  • Bioengineers and biomedical engineers

    Device development turns clinical needs into designs that can be tested. Hospital engineering more often focuses on evaluating equipment, maintenance, quality checks and measurement. Choose a setting first, then check the role’s education, project experience and responsibilities.

    IRC · 17-2031.00

  • Network and computer systems administrators

    Network and computer systems administrators (O*NET 15-1244.00) install, configure, and maintain an organization's local area networks, wide area networks, data communication networks, operating systems, and physical and virtual servers, monitor the integrity and availability of systems and scheduled tasks (including backups), analyze network and server resource usage and control user access, and may also assist with network modeling, analysis, and planning coordination. This page uses only official sources to explain the occupation scope, tasks, preparation requirements, Chinese and United States statistical scopes, and authorization boundaries.

    CRI · 15-1244.00

  • Food Scientists and Technologists

    Food scientists and technologists carry out work involving this occupation's subjects, processes, quality requirements, and deliverables. Specific duties, training, qualifications, agreements, and authorization must be checked against the original requirements of the location and employer.

    IRC · 19-1012.00

  • Environmental Engineers

    Environmental engineers evaluate pollution controls, review design inputs, document evidence gaps and prepare material for design review.

    IRC · 17-2081.00

  • Molecular and cellular biologists

    Molecular and cellular biologists (O*NET-SOC 19-1029.02, Molecular and Cellular Biologists) study cell molecules and organelles to understand cell function and organization; the work is organized around designing and executing molecular or cellular experiments, completing laboratory procedures such as sequencing and cloning according to protocols, organizing and analyzing experimental data and interpreting results, and writing reports and grant applications.

    ICR · 19-1029.02

  • Medical Dosimetrists

    Medical dosimetrists prepare reviewable treatment plans based on a radiation oncologist’s prescription and work with medical physicists and radiation therapists to check and hand them off.

    ICR · 29-2036.00

  • Nuclear engineers

    Nuclear engineers (O*NET-SOC 17-2161.00) apply nuclear science and engineering principles to research, design and operations involving nuclear energy and waste: designing reactor cores, radiation shielding, and instrumentation and control equipment; monitoring nuclear facility operations and identifying designs and operations that violate safety regulations or endanger safety; initiating corrective actions or ordering reactor shutdown in emergencies; writing operating procedures and technical reports; participating in environmental compliance, waste disposal and decommissioning plans; and communicating with regulators, suppliers and review committees. This page uses only official sources to explain occupational scope, tasks, preparation requirements, Chinese and US statistical definitions, and authorization boundaries.

    IRC · 17-2161.00

  • Microbiologists

    Microbiologists (O*NET 19-1022.00) study the growth, structure, and characteristics of microorganisms such as bacteria, algae, and fungi, including medical microbiology. Verify biosafety and ethics requirements by jurisdiction.

    IRC · 19-1022.00

  • Conservation Scientist

    Conservation scientists manage, improve and conserve natural resources and improve their use without harming the environment; conduct soil surveys, develop plans to prevent soil erosion or conserve rangelands, and guide land users on soil/water conservation and improvement.

    IRC · 19-1031.00

  • Physicists

    Physicists study physical phenomena using mathematical models, experiments or computation. They document measurement conditions and uncertainty so colleagues can evaluate the findings.

    IRC · 19-2012.00

  • Environmental Restoration Planners

    Collaborate with field and biological staff to develop and supervise the implementation of habitat and ecological restoration projects; collect and analyze environmental data, synthesize complex scientific material into schemes usable for restoration, monitoring, and management, obtain permits, and inspect on-site compliance.

    IRC · 19-2041.02

  • Bioinformatics technicians

    Bioinformatics technicians help organize biological data, run analysis workflows and check quality. They document inputs, settings, outputs and exceptions so results can be reproduced.

    ICR · 15-2099.01

  • Occupational health and safety specialists

    Occupational health and safety specialists (O*NET19-5011.00) analyze work environments, design occupational health and safety programs, check compliance, and investigate accidents. In the United States JobZone4 requires considerable preparation; scope of responsibility｜some U.S. employers require or prefer professional certification, and certification is not a government license. In mainland China, safety management personnel assessment, registered safety engineer requirements, and institutional post authorization are verified by industry and post, and not all occupational health posts uniformly require a registered safety engineer; only after obtaining the qualification certificate and completing registration may one practice under the name of registered safety engineer. Testing and evaluation of occupational disease hazard factors are undertaken by occupational health technical service institutions with the corresponding qualification accreditation, while routine monitoring, medical health examinations, and occupational disease diagnosis follow separate rules and must not be lumped into one category.

    ICR · 19-5011.00

  • Atmospheric and Space Scientists

    Atmospheric and space scientists interpret observations from stations, instruments, satellites or radar. Roles may emphasize research, forecasting or reports.

    IRC · 19-2021.00

  • Human Factors Engineer or Ergonomist

    Human factors engineers and ergonomists study how people interact with equipment, interfaces and work environments. They test changes that may improve usability, safety or comfort. U.S. pay and outlook use the broader industrial engineer occupation.

    IRC · 17-2112.01

  • Security Management Specialists

    Security management specialists (O*NET 13-1199.07) assess an organization's physical security threats, design and improve security systems and processes, conduct audits, propose countermeasures and follow up on them. U.S. wages and employment are available only as the broad 13-1199 aggregate and cannot be treated as standalone data for this occupation.

    CIR · 13-1199.07

  • Detectives and Criminal Investigators

    Detectives and Criminal Investigators (O*NET-SOC 33-3021.00) are personnel who investigate conduct suspected of violating federal, state or local law in order to prevent or solve crime: obtaining facts or statements from complainants, witnesses and accused persons and recording interviews, checking records and government agency files to verify identity and connections, and determining the scope, timing and direction of the investigation; cordoning off or roping off the scene and checking the surrounding area, organizing the scene search and assigning tasks and areas, recording, marking and photographing scene objects and measuring the scene, searching for and collecting evidence such as fingerprints, and preserving, processing and analyzing evidence items; recording investigation progress and maintaining suspect files, submitting reports to superiors or a magistrate to apply for warrants, preparing and serving search and arrest warrants within the scope of authorization, testifying before a grand jury about criminal activity investigations, and preparing charges or defences and court case materials according to formal procedure, collaborating with other agencies and keeping surveillance or carrying out undercover assignments. United States scope: in the 2025 wage data for this occupation the median annual wage is 93,790 USD (median hourly 45.09 USD), with annual percentiles of 55,390 / 69,330 / 93,790 / 120,520 / 160,540 USD (hourly percentiles 26.63 / 33.33 / 45.09 / 57.94 / 77.18); 2024 employment is about 117,900 people, a decline is projected for 2024—2034 (-1% or lower) with about 7,800 projected openings; the BLS Occupational Outlook separately gives the Police and Detectives broad group as 824,200 positions in 2025, +3% for 2025—2035 and about 60,100 annual average openings; the preparation level is Job Zone Three (medium preparation, SVP 6.0 to below 7.0), usually requiring 1—2 years of training; the interest code is ICR; the work context includes dealing with the public 100% extremely important, email and telephone conversation both 100% every day, continuous contact with others 90%, importance of precision or accuracy 99% extremely important, consequences of error 82% extremely serious, typical workweek over 40 hours 67%, and outdoor exposure to various weather 60% every day. Mainland China scope: investigative work is carried out by people's police who have lawfully obtained law enforcement qualifications, who must meet the conditions set out in the People's Police Law of the People's Republic of China (at least eighteen years old, upholding the Constitution, good political, professional and personal conduct, good health, a high school education or above, and willingness to work as people's police; those who have previously been criminally punished or dismissed from public office may not serve), are generally recruited through public examination (including written examination, interview, physical fitness assessment, medical examination and political vetting), and are subject to a police rank system. Public statistics have not published occupational-level wages corresponding to this occupation, and this page retains the gap as it stands.

    ICR · 33-3021.00

  • Environmental Scientists and Specialists

    Conduct research and investigations to identify, reduce, or eliminate pollutants or hazards affecting the environment and public health: collect and analyze air, water, soil, and other sample data, monitor the effects of pollution and land degradation, apply environmental technical standards and permit reviews, and write scientific conclusions into reports and explain them to institutions, businesses, and the public.

    IRC · 19-2041.00

  • Environmental Scientists and Specialists, Including Health

    Conduct research and investigations to identify, reduce, or eliminate pollutants and hazards affecting the environment and population health: collect and analyze air, water, soil, food, and workplace sample data, assess exposure and health-related hazards, apply environmental and public health technical standards and permit reviews, and write the conclusions into reviewable reports.

    IRC · 19-2041.00

  • Water resource specialists

    Water resource specialists use watershed, supply and water-quality data to assess options. They document model assumptions and raise uncertainties that could change a decision.

    IRC · 11-9121.02

  • Transportation planners

    Transportation planners research proposed transportation projects, collect and analyse data and compare transportation scenarios and schemes. This page uses the United States O*NET19-3099.01 task basis, distinguishing the parent group wage and employment proxy, the Chinese project requirements and the actual authority; the fictional commuting prompt can be used to experience the formulas, the budget and the opinion revision.

    ICR · 19-3099.01

  • Industrial Ecologists

    Industrial ecologists study material and energy use, waste and releases across industrial activities and how processes and sites connect. Deliverables may include inventories, scope and assumptions, comparisons and recommendations.

    IRC · 19-2041.03

  • Bioinformatics Scientists

    Bioinformatics scientists use computational and statistical methods to study biological data such as genomes and transcriptomes. They define questions, choose data and methods, review anomalies, record versions and explain results and limits. Scientists often focus on design and interpretation, while support roles may focus on running and maintaining workflows. Check the actual position. BLS projects the U.S. parent group Biological Scientists, All Other (19-1029) from about 59,600 jobs in 2025 to 62,400 in 2035, up 4.7%, a net gain of about 2,800, with about 4,300 annual openings from growth and replacement. The baseline includes 1.5% self-employment and does not isolate bioinformatics scientists.

    ICR · 19-1029.01

  • Geneticist

    Geneticists study inheritance, variation and gene function. They design studies and analyze evidence from sources such as model organisms, plants or human populations. Research is distinct from clinical genetics practice.

    ICR · 19-1029.03

  • Biologists

    Biologists study the structure, functions and relationships of organisms such as plants and animals. Depending on the job, they may design comparisons, observe organisms in the field or lab, organize samples and data, and report findings and limits. Check the actual role for research design, technical support and collection authority. BLS projects the U.S. parent group Biological Scientists, All Other (19-1029) from about 59,600 jobs in 2025 to 62,400 in 2035, up 4.7%, a net gain of about 2,800, with about 4,300 annual openings from growth and replacement. The baseline includes 1.5% self-employment. The data do not isolate biologists.

    ICR · 19-1029.04

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