Senior Site Security Manager

• Serve as the Facility Security Officer (FSO), maintaining the Facility Security Clearance (FCL) and overseeing all aspects of the National Industrial Security Program (NISP)
• Manage the lifecycle of Special Access Program Facility (SAPF) and/or Sensitive Compartmented Information Facilities (SCIF), from drafting Construction Security Plans (CSP) to final accreditation and continuous technical security monitoring
• Lead security oversight for the design, construction, accreditation, and operation of a new classified facility
• Review construction plans (blueprints, schematics) to assess vulnerabilities and recommend effective countermeasures
• Conduct regular self-inspections and risk assessments to identify gaps in physical, technical, or information security, implementing corrective actions immediately
• Prepare, process, and safeguard accreditation documentation for open storage
• Lead investigations into security violations and coordinate with federal authorities for incident reporting and mitigation
• Oversee the physical and technical security programs (including TEMPEST and TSCM).
• Perform CPSO and CSSO functions, ensuring SAP/SCI compliance.
• Lead site-wide security education, training, and awareness programs
• Validate and process SAP/SCI visitor clearances and accesses
• Build and maintain relationships with local, federal, and intelligence partners as well as private-sector security counterparts

• Minimum of 12 years of experience in collateral, SAP, and SCI security program management.
• Hands-on experience with SCIF/SAPF construction and accreditation.
• Thorough knowledge of 32 CFR Part 117 (NISPOM), ICD 705, and ICD 503.
• Proficiency in security databases including DISS, NBIS, and JADE
• Strong written and verbal communication skills, with demonstrated leadership presence.
• Ability to work independently in operational environments.

• Formal ICD-705 training/education.
• Current or former Site Security Manager (SSM) certification.
• Certifications: FSO Program Management for Possessing Facilities; ISP or ASIS CPP preferred.

• Bachelor's degree in related discipline (e.g., Security Studies, Criminal Justice, Engineering (Construction/Mechanical), or similar.

• Active Top Secret clearance with SCI eligibility and prior SAP experience.

• 
  
  
  
  Interesting Work:
  
  
  
  Our co-workers support some of the most important and critical programs to our national defense and security.
  
  
• 
  
  
  
  Values:
  
  
  
  Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best benefits in the industry.
  
  
• 
  
  
  
  100% Employee Owned:
  
  
  
  We have a stake in each other's success, and the success of our customers. It's also nice to know what's going on across the company; we have company wide town-hall meetings three times a year.
  
  
• 
  
  
  
  Great Benefits - Most Full-Time Staff Are Eligible for:
  
  
  




• 
  Starting PTO accrual of 20 days PTO/year + 10 holidays/year
  
• 
  Flexible schedules
  
• 
  6% 401k match with immediate vesting up to $9k annually
  
• 
  Semi-annual bonus eligibility (July and December)
  
• 
  Company funded Employee Stock Ownership Plan (ESOP) - a separate qualified retirement account
  
• 
  Up to $10,000 in annual educational reimbursement
  
• 
  Other company funded benefits, like life and disability insurance
  
• 
  Optional zero deductible Blue Cross/Blue Shield health insurance plan
  




• 
  
  
  
  Track Record of Success:
  
  
  
  We have grown every year since our founding in 1993.
  
  

Modern Technology Solutions, Inc. (MTSI) is a 100% employee-owned engineering services and solutions company that provides high-demand technical expertise in Digital Transformation, Modeling and Simulation, Rapid Capability Development, Test and Evaluation, Artificial Intelligence, Autonomy, Cybersecurity and Mission Assurance

MTSI delivers capabilities to solve problems of global importance. Founded in 1993, MTSI today has employees at over 20 offices and field sites worldwide.

For more information about MTSI, please visit www.mtsi-va.com