
Job description
The Security Specialist III is an advanced level position responsible for providing access control service, registry, workforce support center, transportation service, visitor control center, conference center, and escort services. The role requires a journeyman level position and involves working at either the St. Louis or Arnold facility during normal hours.
Provide access control service, receive and ship classified material, create and issue Intelligence Badges and Common Access Cards, assist customers, process clearances, and respond to security alarms and system tests.
The ideal candidate will have 4-5 years of security-related experience, a high school diploma or equivalent, and certification as a RAPIDS/DEERS Verifying Official at Visitor Control. The ability to obtain and maintain an active Top Secret/SCI clearance with CI polygraph is required.
Company

Corporate Services
Staff Source is a staffing and recruiting firm that connects businesses with top‑tier technology and professional talent across finance, healthcare, IT, engineering, and other sectors. Leveraging flexible solutions—including direct hire, contract‑to‑hire, temporary staffing, and HR outsourcing—Staff Source delivers rapid, tailored placements that align with each client’s unique hiring needs and drive organizational success. For candidates, Staff Source offers complimentary, end‑to‑end support to match their skills, career aspirations, and work‑life preferences with relevant opportunities. By emphasizing clear communication and long‑term partnership, the firm ensures both employers and job seekers achieve sustainable growth and mutual success.
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