Apply to Police Officer, Security Officer, Travel Consultant and more! I have accepted a position back in the US with a civilian contractor for the DoD, USAF.The position requires a Secret Clearance. Apply to Security Officer, Tradesman, Quality Control Inspector and more! For assistance with completing the security clearance package for a Department of State investigation or to inquire about the status of your security clearance. I would simply add that getting a security clearance opens you up to a whole category of jobs. The entire process takes, on average, 9-12 months and having a security clearance already may not speed up the process. All trade contractors need to complete our Subcontractor Qualification Application to be eligible to bid on our projects and contract with Clark.