Program Security Officer 3

ManTech
Reston, Virginia 20190 United States  View Map
Posted: Jun 14, 2026
  • Full Time
  • Public Safety
  • Summary

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

    Responsibilities include but not limited to:

    • Provides 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 for the purpose of guidance to customers and industry partners
    • Conduct classroom training, 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 training courses, policies, and implementation procedures
    • Domestic Travel and OCONUS up to 25%

    Minimum Qualifications:

    • HS Diploma and 12 or more years of relevant security experience or Associates degree and 10 or more years of relevant security experience or Bachelor's Degree and 8 or more years of relevant security experience or Masters/Doctorate and 6 or more years of relevant security experience
    • Ability to work high-level, complex or sensitive security issues thoroughly and with discretion
    • Demonstrated ability to identify and assess multiple sources for classification determinations control, marking, and dissemination principles and requirements such as FOIA and Pre-publication reviews
    • Substantive experience providing risk-managed security recommendations to program managers, in support of secure and successful mission accomplishment
    • Familiarity with ICD 503 and 705
    • Have a working knowledge and be able to implement Intelligence Community Directives or 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
    • Working knowledge of acquisition lifecycle security requirements
    • Security Program Oversight Manual (NISPOM) security policy and procedures

    Security Requirements:

    • Must have a current/active TS/SCI w/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
  • Job Description

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

    Responsibilities include but not limited to:

    • Provides 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 for the purpose of guidance to customers and industry partners
    • Conduct classroom training, 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 training courses, policies, and implementation procedures
    • Domestic Travel and OCONUS up to 25%

    Minimum Qualifications:

    • HS Diploma and 12 or more years of relevant security experience or Associates degree and 10 or more years of relevant security experience or Bachelor's Degree and 8 or more years of relevant security experience or Masters/Doctorate and 6 or more years of relevant security experience
    • Ability to work high-level, complex or sensitive security issues thoroughly and with discretion
    • Demonstrated ability to identify and assess multiple sources for classification determinations control, marking, and dissemination principles and requirements such as FOIA and Pre-publication reviews
    • Substantive experience providing risk-managed security recommendations to program managers, in support of secure and successful mission accomplishment
    • Familiarity with ICD 503 and 705
    • Have a working knowledge and be able to implement Intelligence Community Directives or 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
    • Working knowledge of acquisition lifecycle security requirements
    • Security Program Oversight Manual (NISPOM) security policy and procedures

    Security Requirements:

    • Must have a current/active TS/SCI w/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
  • ABOUT THE COMPANY

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    Whether you’re starting your career or seeking new opportunities, these roles provide pathways for growth, security, and service.

    Explore positions across a wide range of fields and take the first step toward a rewarding future in public service.

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