Assistant Facility Security Officer (AFSO)

Mayvin, Inc.; Alexandria (VA); On-site; USD 90,000 - 130,000; Full time

Job summary

Mayvin, Inc. is seeking an Assistant Facility Security Officer (AFSO) to strengthen our security program and ensure compliance with DCSA requirements. The AFSO will assist in managing personnel security clearances, security training, and handling classified information, while maintaining strict adherence to NISP guidelines.

Must be a U.S. Citizen with an active Top Secret clearance w/ SCI eligibility. The role collaborates with internal teams and government agencies, handling DD254s, access

Qualifications

• Must be a US citizen with an active Top Secret clearance w/ SCI eligibility.
• Strong organizational and confidentiality skills are required.
• Experience handling classified information and government regulatory guidelines.

Responsibilities

• Assist the FSO with the security program and compliance activities.
• Maintain records and respond to alarms as necessary.
• Process security clearances in DISS/NBIS and provide briefings/trainings.
• Prepare and review DD254s and manage access control, badges, and logs.
• Oversee onboarding, offboarding, and transfers of cleared personnel.
• Review SF-86s for completeness and initiate investigations when needed.
• Process VARs in DISS and support CAC applications and SCI nominations.
• Support CUI marking, handling, storage, and reporting requirements.
• Provide guidance on security topics aligning with regulations and policies.

Skills

Detail-oriented

Organizational skills

Discretion

Collaboration with government agencies

Tools

DISS/NBIS

Access control system

CAC applications

Job description

Mayvin is seeking a detail-oriented and proactive Assistant Facility Security Officer (AFSO) to support our security program and ensure compliance with Defense Counterintelligence and Security Agency (DCSA) requirements. The AFSO will assist in managing personnel security clearances, security training, and classified information handling while ensuring adherence to National Industrial Security Program (NISP) guidelines. This role requires strong organizational skills, discretion, and the ability to collaborate effectively with internal teams and government agencies.

Must be a U.S. Citizen.

Must have an active Top Secret clearance w/SCI eligibility.

Responsibilities

• Assist FSO with overall security program
• Maintain combination records and respond to alarms as necessary
• Assist with security clearance processing and lifecycle management, including initiating, updating, and tracking personnel security actions in DISS/NBIS. Provide security briefings and training to new employees and participate in corporate-wide security education programs
• Prepare and review DD254s
• Working knowledge of security regulations and best practices, including 32 CFR Part 117 (NISPOM), or the ability to quickly develop proficiency. Support building access control system, including issuance and management of badges, access logs, and ensuring physical security
• Assist with onboarding, offboarding, and transfers of cleared personnel, including security briefings, debriefings, badge/access updates, and required documentation
• Assist in overseeing employee personnel security clearances (PCLs), including initiating investigations/reinvestigations, and review employee Standard Form (SF)86s for completeness
• Process visit requests (VARs) in DISS
• Assist with CAC applications and SCI nominations
• Assist with CUI security requirements and awareness, including proper handling, marking, storage, transmission, and reporting
• Provide guidance to management and personnel on security-related questions, ensuring alignment with government regulations and company policie