Duties:

In charge of all engineers & engineering-related duties aboard a vessel

Post Holders:

- Charles Tucker III (Enterprise NX-01)
- Hemmer (USS Enterprise)
- Pelia (USS Enterprise)
- Montgomery Scott (USS Enterprise & USS Enterprise-A)
- Geordi La Forge (USS Enterprise-D & USS Enterprise-E)
- Charles Logan (USS Enterprise-D)
- Sarah MacDougal (USS Enterprise-D)
- Miles O'Brien (USS Defiant)
- B'Elanna Torres (USS Voyager)
- Andy Billups (USS Cerritos)
- Jett Reno (USS Hiawatha)