Synonyms for Security officer:

• n.

  •gatekeeper (noun)
  • doorkeepers,
  • monitor,
  • doorkeeper,
  • sentry,
  • sentinel,
  • lookout,
  • protector,
  • guard.
  •Other relevant words: (noun)
  • security guard,
  • signallers,
  • spotters,
  • gatekeeper,
  • watchkeeper,
  • spotter,
  • signaller,
  • flagger,
  • warden.
  •watchkeeper (noun)
  • picket,
  • ranger,
  • curator,
  • ward,
  • patrol,
  • scout,
  • watch,
  • custodian,
  • spy,
  • detective,
  • police officer,
  • caretaker,
  • watcher,
  • keeper,
  • observer.