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General information

Requisition #
R65211
Locations
USA-VA-Chantilly
Posting Date
01/08/2026
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time

Description & Requirements

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH!

MANTECH is seeking a motivated, career and customer-oriented Program Security Officer 3 (PSO 3) to join our team at our Chantilly, VA.

The Program Security Officer will assist the Senior Program Security Director in providing general security support for a multi-disciplined and complex organization.

Responsibilities include, but are not limited to:

  • Engage with the organizations Policy and Security offices on data sharing/tech sharing requests from mission partners, both foreign and domestic. 
  • Assist on actions with the Program front office to include policy and governance lead for actively developing future classification guidance that will be integrated into programs. 
  • Interface with senior level mission partners across the DoD, IC, and foreign entities. 
  • Write policy documents in compliance with NRO standards  
  • Work security issues with the Internal and External Directorates and Offices in physical, personnel operational, technical, information, industrial and information system security
  • Provide assistance and guidance to defense contractors in all industrial security disciplines
  • Domestic Travel and OCONUS up to 25% Quarterly

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
  • Proficient experience in program protection (P2), risk management, security and/or classification policy, planning and execution of program security 
  • Proficient experience in CAPs and SAPs
  • Substantive experience providing risk-managed security recommendations to program managers, in support of secure and successful mission accomplishment
  • Ability to analyze/work high-level complex information in depth, independently, prioritize and complete appropriate actions, and review and approve recommendations from others
  • Consistently deliver articulate and effective briefings/presentations on complex topics to groups that may be large and/or include high-level decision makers
  • Have a working knowledge and be able to implement Intelligence Community Directives

Preferred Qualifications:

  • Demonstrated ability to establish effective working relationships with other Government Agencies and mission partners
  • Policy writing / template experience
  • Demonstrated ability to effectively communicate one-on-one or in large groups
  • Must be able to interact and effectively communicate with senior government personnel
  • Be successful in a fast-paced environment where priorities change constantly
  • Demonstrated ability to identify and assess multiple sources for security classification determinations and issues

Security Requirements:

  • Must possess an active TS/SCI with Polygraph
     

Physical requirements:

  • Must be able to be 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

MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.