Program Security Officer 3

Company : ManTech International
Location : Chantilly, VA, 20151
Posted Date : 15 September 2025
Job Details
ManTech seeks a motivated, career and customer-oriented Program Security Officer 3 (PSO 3) to join our team in Chantilly, VA.
Responsibilities include but not limited to:
Provide advice and assistance regarding a range of security issues and concerns to government and program security officers in different geographical locations
Provides classification management, program security, information systems security, personnel security, and physical security to guide customers and industry partners
Conduct briefings and indoctrinations to a variety of audiences
Deliver compelling and articulate recommendations on current security issues for program security decisions to Directorate and Office Directors of Security, Program Managers, and Directorate leadership
Assist in the development of security policies and implementation procedures
Domestic Travel and OCONUS up to 25%
Minimum Qualifications:
HS Diploma and 12 or more years relevant security experience or Associates and 10 or more years relevant security experience or Bachelors Degree and 8 or more years relevant security experience or Masters and 6 years relevant security experience
Ability to work high-level, complex or sensitive security issues thoroughly and with discretion
Assist the NRO CAPCO/SAPCO with the management of the portfolio of the NRO’s and other USG Agencies special access and sensitive compartmented programs, senior level indoctrinations and annual community reporting compliance actions.
Substantive experience providing risk-managed security recommendations to program managers, in support of secure and successful mission accomplishment
Familiarity with ICD 503, 705, DISS, JADE, Security Clearance Tool, and Scattered Castles
Have a working knowledge and be able to implement Intelligence Community Directives as well as NRO Directives and Instructions
Knowledge of program protection methodologies and risk management principles as they relate to appropriately protecting and sharing information, missions, operations, and assets
Preferred Qualifications:
Ability to assist the government in the NRO Integrated Security Assessment Program (ISAP)
Experience working with industrial security staffs
Security Program Oversight Manual (NISPOM) security policy and procedures
Working knowledge of acquisition lifecycle security requirements
Security Requirements:
Must have a current active TS/SCI with Polygraph
Physical requirements:
Must be able to remain in a stationary position 50%
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
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