Occupational Group Structure
Engineering / IT / Technical Services
- AI – Air Traffic Control
- AO – Aircraft Operations
- AR – Architecture and Town Planning
- DD – Drafting and Illustration
- EG – Engineering and Scientific Support
- EL – Electronics
- EN-ENG – Engineering
- EN-SUR – Land Survey
- GT – General Technical
- IT – Information Technology
- PY – Photography
- RO – Radio Operations
- TI – Technical Inspection
EX and Leadership Programs (PL)
- EX – Executive Group
- PL – Leadership Programs
Health Services
- DE – Dentistry
- MD – Medicine
- ND – Nutrition and Dietetics
- NU – Nursing
- OP – Occupational and Physical Therapy
- PH – Pharmacy
- PS – Psychology
- SW – Social Work
- VM – Veterinary Medicine
- WP – Welfare Programmes
Law / Economics and Social Science Services / HR Management
- CO – Commerce
- CT-EAV – External Audit
- CT-IAU – Internal Audit
- CT-FIN – Financial Management
- EC – Economics and Social Science Services
- ED – Education
- EU – Educational Support
- HR – Historical Research
- LC – Law Management
- LP – Law Practitioner
- LS – Library Science
- PE – Personnel Administration
- TR – Translation
- UT – University Teaching
Operational / Labour and Trades
- FR – Firefighters
- GL – General Labour and Trades
- GS – General Services
- HP – Heating, Power & Stationary Plant
- HS – Hospital Services
- LI – Lightkeepers
- PR – Printing Services
- SC – Ships Crews
- SO – Ships' Officers
- SR – Ship Repair Chargehands and Production Supervisors
Program and Administrative Services
- AS – Administrative Services
- CM – Communications
- CR – Clerical and Regulatory
- DA – Data Processing
- FB – Border Services
- FS – Foreign Service
- IS – Information Services
- OE – Office Equipment
- OM – Organization and Methods
- PG – Purchasing and Supply
- PM – Programme Administration
- PO – Police Operations Support Group
- ST – Secretarial, Stenographic, Typing
Regulatory Services
- CX – Correctional Services
- PI – Primary Products Inspection
Sciences and Research
- AC – Actuarial Science
- AG – Agriculture
- BI – Biological Sciences
- CH – Chemistry
- DS – Defence Scientific Service
- FO – Forestry
- MA – Mathematics
- MT – Meteorology
- PC – Physical Sciences
- SE – Scientific Research
- SG-PAT – Patent
- SG-SRE – Scientific Regulation