Security Officer Part Time Security Clearance Driver Allied UniversalSecurity Officer Part Time Security Clearance DriverSt Louis, MOAs a Security Officer Part Time Security Clearance Driver in Saint Louis, MO, this role is designed to provide reliable, consistent hours at an assigned site with the flexibility for you to earn more by picking-up additional shifts when it works for you. Earn More, Claim-A-Shift Program: In addition to your fixed shift, you may pick-up extra shifts through our scheduling platform, allowing you to increase earnings and gain experience across multiple sites.