Program Security Officer 3

ManTech

Chantilly, VA Posted 7/26/2025 Full Time

MANTECH seeks a motivated, career-oriented, and customer-focused Program Security Officer 3 (PSO 3) to join our team in Chantilly, VA.

In this role, you will assist the Senior Program Security Director by providing high-level security support for a dynamic, multi-disciplined organization. You’ll engage with mission partners, contribute to policy development, and help safeguard vital national security interests.

Responsibilities include, but are not limited to:

  • Engage with the organization’s Policy and Security offices on data and technology sharing requests from both foreign and domestic mission partners
  • Assist the Program front office and serve as the policy and governance lead for developing future classification guidance to be integrated into programs
  • Interface with senior-level mission partners across the DoD, Intelligence Community (IC), and foreign entities
  • Draft policy documentation in compliance with NRO standards
  • Address security issues across multiple domainsincluding physical, personnel, operational, technical, information, industrial, and information system security
  • Provide security assistance and guidance to defense contractors across all industrial security disciplines
  • Domestic and OCONUS travel up to 25% may be required

Minimum Qualifications:

  • HS Diploma and 12 or more years relevant security experience or Associates and 10 or more years relevant security experience or Bachelor’s Degree and 8 or more years relevant security experience or Masters and 6 years relevant security experience
  • Proficiency in program protection (P2), risk management, and classification policy, as well as in the planning and execution of program security
  • Experience with Controlled Access Programs (CAPs) and Special Access Programs (SAPs)
  • Proven ability to deliver risk-managed security recommendations that support secure and successful mission execution
  • Demonstrated skill in analyzing and managing complex, high-level security data independently and reviewing peer recommendations
  • Ability to deliver clear, effective briefings and presentations to senior audiences, including high-level decision-makers
  • Working knowledge and implementation experience with Intelligence Community Directives

Preferred Qualifications:

  • Demonstrated success in building strong working relationships with Government Agencies and mission partners
  • Experience writing and templating policy documents
  • Strong verbal communication skills in both one-on-one and group settings
  • Comfortable working with and briefing senior government personnel
  • Ability to thrive in fast-paced environments where priorities frequently change
  • Experience identifying and evaluating multiple sources to support classification decisions

Clearance Requirements:

  • Must possess an active TS/SCI with Polygraph

Physical Requirements:

  • Must be able to remain in a stationary position 50% of the time
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations
  • Must be able to exchange accurate information in these situations
JOB LOCATION:
Chantilly, VA 20151

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