Program Security Officer 3

ManTech
Chantilly, Virginia 20151 United States  View Map
Posted: Jun 10, 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 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
    • Demonstrated ability to identify and assess multiple sources for classification determinations control, marking, and dissemination principles and requirements to include 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, 705, DISS, 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 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 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
    • Demonstrated ability to identify and assess multiple sources for classification determinations control, marking, and dissemination principles and requirements to include 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, 705, DISS, 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 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

    • Government Careers
    • Government Careers

    Government jobs offer stability, competitive benefits, and the chance to make a meaningful impact on your community and country.

    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.

    Show more

MORE JOBS

  • Service to the Armed Forces Specialist - Scott AFB

    • Valley Park, Missouri
    • American National Red Cross
    • Jun 10, 2026
    • Full Time
    • Public Safety
  • Customs and Border Protection Officer (CBPO) Experienced New Hire Sign-On and Retention Incentives

    • Suffolk, Virginia
    • U.S. Customs and Border Protection
    • Jun 10, 2026
    • Full Time
    • Public Safety
  • Customs and Border Protection Officer (CBPO) Experienced New Hire Sign-On and Retention Incentives

    • Mayo, Florida
    • U.S. Customs and Border Protection
    • Jun 10, 2026
    • Full Time
    • Public Safety
  • Customs and Border Protection Officer (CBPO) Experienced New Hire Sign-On and Retention Incentives

    • Hudson, Wisconsin
    • U.S. Customs and Border Protection
    • Jun 10, 2026
    • Full Time
    • Public Safety
  • Security Officer - $16-$20/hr

    • Reno, Nevada
    • Securitas
    • Jun 10, 2026
    • Full Time
    • Public Safety
  • Customs and Border Protection Officer (CBPO) Experienced New Hire Sign-On and Retention Incentives

    • Gig Harbor, Washington
    • U.S. Customs and Border Protection
    • Jun 10, 2026
    • Full Time
    • Public Safety
Show More
Apply Now Please mention you found this employment opportunity on the CareersInGovernment.com Job Board.
Please mention you found this employment opportunity on the CareersInGovernment.com Job Board.