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Special Programs Security Manager

SOSiReston, VA, USSeptember 21, 2026
On-site
Full-time
GRC
Management

Company Description

Founded in 1989 and headquartered in Reston, Virginia, SOSi is a private defense and government solutions business specializing in advanced technology systems and mission support. Its capabilities include data science, software development, network engineering, intelligence, surveillance, and reconnaissance (ISR), and logistics. 

Job Description

Overview

SOSi is seeking an experienced Special Programs Security Manager to work at its Reston, VA location with occasional travel to other SOSi sites, supporting a complex range of classified programs.  The Security Manager will develop and implement security policies and procedures in coordination with the SOSi Vice President of Corporate Security and manage personnel, physical, and information security requirements for SCI and SAP activities.

Essential Job Duties           

  • Support multiple federal agencies with varying security standards and procedures, utilizing the NISPOM, ICDs, DoDM 5205.07 and other applicable directives, policies and procedures set forth by the DoD and Intelligence Community.
  • Maintain SCIF and SAPF accreditations to include transference of cognizance (TOC) to appropriate Cognizant Security Agency (CSA).
  • Conduct security education and training.
  • Assist with the development, implementation and monitoring of security policies and procedures, to include the insider threat program.
  • Provide security indoctrinations, debriefings, pre/post travel briefings and annual refresher briefings as necessary.
  • Coordinate co-utilization agreements for facilities.
  • Responsible for ensuring pre-screening of candidates occurs to mitigate risk to the government, and that accurate paperwork and information is submitted to the customers.
  • Process SCI and SAP nominations for personnel supporting various efforts.
  • Investigate security violations and submit required reports to the government.
  • Document and maintain personnel security files and rosters.
  • Establish and maintain successful working relationships with government and internal customers.
  • Act as an advocate for the security program, using sound communication expertise and work with senior level managers to accomplish missions.
  • Perform other duties as assigned.
  • Responsible for facility access control support, intrusion detection, safes/locks, hardware, and doors.
  • Initiate and coordinate facility work orders/repairs to ensure perimeter control is secure.
  • Coordinate accreditation and reaccreditation of classified IS Systems with ISSM in accordance with U.S.G policies and regulations.
  • Maintains SCIF / SAPF visitor control functions.
  • Conduct SCIF / SAPF self-inspections in preparation for security audits.
  • Prepare written SOPs and update annually for IC and SAP customer.
  • Provide proposal support, including the writing and reviewing of security volumes.  

Qualifications

Minimum Requirements

  • Active in-scope TS/SCI with Poly.
  • Self-starter who can work independently and manage their own schedule, travel, and workflow.
  • Ability to obtain SAP Access.

Preferred Qualifications

  • 3 years of experience working within SCI and SAP programs.

Additional Information

Work Environment

  • Office Location is Reston, VA and other SOSi sites.
  • Working conditions as normal for an office environment.
  • Requires periods of non-traditional hours including consecutive nights or weekends when necessary.
  • May require ability to lift/and or move objects or packages of up to 25 lbs.

Working at SOSi

All interested individuals will receive consideration and will not be discriminated against for any reason.

Job Details

Salary

$140,000 – $155,000/yr

Experience

Management