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General information

Requisition #
R66025
Locations
USA-VA-Herndon
Posting Date
02/26/2026
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time

Description & Requirements

Elevate your career with MANTECH International Corporation! Join a dynamic team dedicated to national security through cutting-edge technology. Since 1968, MANTECH has led in delivering advanced solutions to government intelligence, the Department of Defense, and Federal Civilian sectors. Dive into innovation in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Your journey to impactful work and rapid growth starts now—be extraordinary at MANTECH!

MANTECH seeks a motivated, career and customer-oriented Junior Program Security Officer to join our team in Herndon, VA providing unparalleled support to our customer, working closely with the project team.  This is an on-site position, Monday through Friday, 8am-4pm.

Responsibilities include, but are not limited to: 

  •  Manage daily functions of SCIF, to include opening/closing the space, responding to alarm calls, auditing alarm reports, and coordinating maintenance of alarm and access control systems
  • Maintain SCIF accreditation and required documentation updates, participate in customer self-inspections and site visits
  • Manage and maintain all aspects of access control, ensuring only appropriately cleared personnel are allowed physical access, facilitating badging for visitors and new staff, and auditing access logs
  • Coordinate with program staff and government to ensure that any electronic equipment or media is properly identified and approved before entering secure areas
  • Provide short security presentations/briefings, answering questions about procedures and requirements, and documenting/addressing Security concerns/infractions
  • Receive and process incoming VARs and meeting requests
  • Strong organization and communication skills needed to maintain access control records, SCIF calendar, and visitor information

Minimum Qualifications:

  • High School Diploma required
  • 2+ years’ experience, depending on education, in access or visitor control
  • Microsoft Office (Word/Excel) and Google Applications
  • Defense Information Security System (DISS) experience
  • Knowledgeable of SCI access control and SCIF regulations.
  • Self-starter and the ability to work with a team and Flexibility to do whatever task is required and willingness to learn new functions.

Security Clearance Requirement:

  • Must have a current/active TS/SCI with Poly

Physical Requirements:

  • Must be able to remain in a stationary position 50%
  • Needs to move around the office to access materials and escort


MANTECH 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.