User blog:McFry/Clearance

security clearance as a means of determining their eligibility for access to classified information or facilities. There are three levels of personnel clearance: Confidential, Secret, and Top Secret.

Normally your clearance remains in effect as long as you remain employed by a cleared contractor and, like in the military, as long as you are expected to require access to classified information as part of your job function. Also like the military civilians are required to comply with periodic reinvestigation requirements.

The answer is no if you previously held a Secret or Confidential clearance and maybe if your previous level was Top Secret was completed less than five years ago. If so there is a possibility that a very small portion of the new investigation will not have to be repeated, which may speed up the process a little