De assistant chief engineer of assistant engineer was de rechterhand en vervanger van de chief engineer.

Assistant chief engineers Bewerken

• Enterprise
  • Lieutenant DeSalle (2267)
• USS Enterprise-D
  • Jim Shimoda (2364)
  • Lieutenant Junior Grade Singh (2364)
  • Ensign Clancy (2365)
• Varro generatie schip
  • Derran Tal
• USS Voyager
  • Lieutenant Joseph Carey (2371-2377)
• Naamloos Y-500 klasse vrachtschip
  • George Webb