Security chief

From Tardis Wiki, the free Doctor Who reference

Security chief, sometimes capitalised as Security Chief, was the job title of the overseer of a given organisation or project's security detail.

In the 21st century, the human CIA had a security chief. (TV: Rendition)

During the Cyberon War, Brady was the security chief of Captain Tom Williams's ship, The Demeter. (AUDIO: Curse of the Cyberons)

Project Gemini had a security chief. (COMIC: Gemini Plan)

The Aliens organising the War Games had a Security Chief. His role in the hierarchy was parallel to the War Chief's and the two were bitter rivals. (TV: The War Games)