fire - fuel
- fire engineer
- fire fighting inspection group engineer
- fire fighting inspection group senior engineer
- fire protection engineer
- fishing supervisor
- fizikos inžinierius
- fizikos laboratorijos technikas
- fizikos technikas
- flight test engineer
- floriculture technician
- fluid power technician
- food and drink technologist
- food and drink technologist
- food engineer
- food products technologist
- food technologist
- footwear production technologist
- forensic identification technician
- forest management engineer
- forest management technician
- forest technician
- forestry economics engineer
- forestry engineer
- fotogrametrijos technologas
- fotolaboratorijos technikas
- fotolitografijos inžinierius
- fotonikos technikas
- foundry engineer
- foundry metallurgy technician
- foundry technician
