Physical, chemical and engineering science technicians

Physical and engineering science technicians not elsewhere classified: how to get into this work

Also called: Engineering technician (production), Fire investigator, Forensic science technician, Quantity surveying technician, Robotics technician, Time and motion study technician

This unit group covers physical and engineering science technicians not classified elsewhere in Minor Group 311: Physical and Engineering Science Technicians. For instance, the unit group includes those who assist scientists and engineers engaged in developing procedures or conducting research on safety, biomedical, environmental or industrial and production engineering.

Main tasks

Collecting data and providing technical assistance regarding: efficient, safe and economic utilization of personnel, material and equipment; methods of work and sequence of operations and supervision of their implementation; and efficient layout of plant or establishment
Aiding in the identification of potential hazards and introducing safety procedures and devices
Modifying and testing equipment and devices used in the prevention, control and remediation of environmental pollution, in site remediation and land reclamation
Assisting in the development of environmental pollution remediation devices under the direction of an engineer
Assisting engineers in testing and designing robotics equipment

Pay · Outlook · AI and this job

Median pay: HK$27,000 a month
About 1,542,900 people in 2025, and about 1,639,100 projected by 2028. (+6.2%)
Generative AI can do relatively little of this work, by the ILO's global estimate.

Questions people ask

Physical and engineering science technicians not elsewhere classified: do you need a degree for this work?

Not always. 41% of people in this job hold a bachelor's degree or higher.

Physical and engineering science technicians not elsewhere classified: will AI change this work?

Generative AI can do relatively little of this work, by the ILO's global estimate.

Sources

Census and Statistics Department (2021 Population Census): 2021 Population Census, Interactive Data Dissemination Service: working population by occupation (38 groups) and sex, age, education, income; median income and field of education (9 groups) (2021 Population Census), retrieved 4 October 2026
Census and Statistics Department (General Household Survey): Median monthly employment earnings by occupation (9 groups), excluding foreign domestic helpers (Table 210-06317A); employed persons by occupation, age and sex (210-06307A) and by industry (210-06308A) (2025 annual (series to 2026-07)), retrieved 4 October 2026
Labour and Welfare Bureau; tables published by C&SD: Mid-term Update of Manpower Projection to 2028: supplementary statistical tables (5 occupation groups, 17 selected industries) (2025 to 2028 (published 2026-09)), retrieved 4 October 2026
International Labour Organization, Generative AI and Jobs: A Refined Global Index of Occupational Exposure (ILO Working Paper 140, Gmyrek et al.) (ILO Working Paper 140, May 2025, Annex Table A1), CC BY 4.0, retrieved 4 October 2026

Updated 4 October 2026