The Security Specialist III role supports JT4, LLC in providing engineering and technical services to U.S. military test ranges. The position focuses on administrative and personnel security operations, including managing clearance statuses, issuing security badges, and coordinating fingerprinting and security briefings for employees and consultants. Key responsibilities involve maintaining detailed records, communicating with clearance granting agencies, and supervising lower-level clerical staff. This position appeals to candidates seeking a mission-driven environment supporting national defense capabilities. The role offers a comprehensive benefits package including health insurance and a 401(k) match, along with opportunities for professional growth through tuition reimbursement. While primarily based in an office setting, the job may require occasional travel to remote work locations. A valid driver's license and the ability to maintain a government security clearance are required.