Contractor Special Access Program Security Officer (CSSO)/Assistant Facility Security Officer (AFSO)

• Assist in oversight and administration of classified security programs in compliance with:
• 32 CFR Part 117 (NISPOM)
• DoDM 5205.07 (SAP Security Manual)
• DoDM 5105.21 (SCI Manual)
• ICD/ICS 705 Technical Specifications
• Director of National Intelligence Directives
• MTSI security policies, processes, and procedures
• Serve as a subject matter expert across collateral, SAP, and SCI security functions.
• Maintain liaison with government agencies, customers, contractors, and internal leadership.

• Support the FSO and SSM in managing personnel security clearance processes and investigations.
• Conduct onboarding and termination security actions for cleared employees.
• Facilitate badging and fingerprinting (including SWFT, as required).
• Provide cross-functional onboarding support with HR and Recruiting.
• Conduct candidate pre-screenings for security suitability.
• Access, review, and submit clearance and access actions via DISS and NBIS.
• Review and process documentation for SCI and SAP nomination packages.
• Maintain personnel security records in SIMS, MTSI Virtual Personnel Records (VPR), and applicable government databases.
• Prepare and administer security indoctrinations and debriefings.
• Implement and manage visitor control procedures.
• Manage SEAD 3 incident reporting, including submission to DCSA/AVS and appropriate cognitive security organizations.

• Assist with daily secure facility operations, including:
• Access control systems
• Badging
• Intrusion Detection Systems (IDS)
• Support accreditation and maintenance of:
• Collateral Open Storage Areas (OSA) per NISPOM and DCSA requirements
• SAPFs and SCIFs per ICD/ICS 705
• Assist with physical, personnel, information systems, network, and cryptographic security compliance.

• Support classified document control and accountability programs.
• Manage and maintain:
• GSA containers and locks
• Secure storage equipment
• COMSEC (as assigned)
• Conduct annual inventories of accountable classified holdings.
• Administer classified material destruction programs.
• Serve as the focal point for receiving, processing, distributing, transferring, and controlling classified materials (hardcopy and electronic).
• Prepare and submit required status reports to government agencies.

• Maintain security program records and documentation.
• Support self-inspections, compliance assessments, and external audits.
• Manage DD Form 254s, Security Classification Guides (SCGs), and classified contract requirements.
• Analyze, investigate, resolve, and report security incidents and violations.
• Provide guidance and leadership to employees and managers on security compliance actions.
• Manage government-furnished equipment (GFE) and materials.
• Respond to data calls and support security information systems.

• Assist the FSO and Senior Site Security Manager in developing and delivering:
• Initial and annual refresher training
• Counterintelligence Awareness
• Operations Security (OPSEC)
• Program-specific and specialized security training
• Ensure documentation and execution of all classified security training activities.

• Strict adherence to government and corporate security directives.
• Maintain confidentiality of:
• Classified information
• Company proprietary data
• PII and CUI
• Ensure compliance with contractual security requirements and DD Form 254 guidance.
• Assist project managers and staff with interpretation and application of SCGs.
• Implement and manage security incident response and reporting procedures.
• Support enterprise-wide initiatives led by the Chief Security Officer (CSO), Chief Information Security Officer (CISO), and Director of Corporate Security (DCS).

• Thorough knowledge of:
• 32 CFR Part 117 (NISPOM)
• SEAD 3
• Industrial Security requirements
• Proficiency with:
• DISS
• NBIS / eApp
• NISS
• Strong organizational, communication, and interpersonal skills.
• Proven reliability, integrity, and trustworthiness.
• Ability to develop and execute collateral security policies, plans, and procedures.

• Working knowledge of:
• DoDM 5205.07 (SAP Manual)
• DoDM 5105.21 (SCI Manual)
• ICD/ICS 705 Technical Specifications
• Experience supporting DoD SAP and/or SCI programs
• SIMS database and SWFT fingerprinting experience
• Export Control / ITAR experience
• Knowledge of information systems security policies and procedures
• Ability to develop and execute SAP and SCI security policies, plans, and procedures

• Bachelor's degree with 3 years AFSO/FSO experience, or
• 8 years total security experience in lieu of a degree
• CDSE FSO Program Management for Possessing Facilities Curriculum
• Must be obtained within 90 days of start date

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  Interesting Work:
  
  
  
  Our co-workers support some of the most important and critical programs to our national defense and security.
  
  
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  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.
  
  
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  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.
  
  
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  Great Benefits - Most Full-Time Staff Are Eligible for:
  
  
  




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




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  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