The Security Engineering Program (SEP) under Homeland and Force Protection at Leidos currently has an opening within the Professional Services Support (PSS) Program for a Site Security Specialist.  The Site Security Specialist will directly support the customer and be committed to protecting classified information, assets, and secure spaces. The candidate will serve as a security team member and will directly interface and collaborate with key leaders and customers. Specifically, the candidate will safeguard all assets and information and process/manage SCIF access control requirements and visit requests. This position will provide site escort to uncleared vendors, offer security training, and oversee the implementation of security policies and procedures within the facility. Areas of emphasis are physical security, information security, OPSEC, and verification of clearances/accesses. The Site Security Specialist will be required to interact with and provide security support to senior DoD officials. Other duties may be assigned as needed.  The position is at a customer site in the Waynesboro, PA Metro Area.

Basic Qualifications:

• Must possess a minimum of a TS/SCI clearance

• Minimum of eight (8) years of U.S. government experience in SCIF/SAPF Physical Security management with Information Security, Personnel Security (PERSEC), and Operations Security (OPSEC) experience.

• Bachelor's degree in a related area or an additional 2 years of experience.

• Comprehensive knowledge of ICD 705, the NISPOM, and applicable Manuals, Directives, policies, and procedures.

• Hands-on experience in physical security assessments/inspections and Sensitive Compartmented Information Facility (SCIF)/Special Access Program Facility (SAPF) security requirements.

• Must be an expert in managing the day-to-day security operations of a SCIF.

• Excellent communication (both oral and written), organizational, analytical, and interpersonal skills.

• Computer literacy: Proficient in Microsoft Suite, including Word, Excel, Outlook, and Access.

Preferred Qualifications:

• Experience as a Facility Security Officer

• Experience as a COMSEC Custodian

• Experience developing and implementing OPSEC plans

• Knowledge of Access Control and Intrusion Detection Systems.

• Experience in accreditation of SCIFs/TSCIFs.

• Experience as a security professional supporting the Intelligence Community

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

January 8, 2026

Pay Range:

Pay Range $82,550.00 - $149,225.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.