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Security Specialist

ManTech International

Company : ManTech International

Location : Arlington, VA, 22203

Posted Date : 14 October 2025

Job Type : Full Time

Category : Security & Public Safety

Occupation : Security Specialist

Job Details

ManTech seeks a motivated, career and customer-oriented Security Specialist to support our DoD contract out of Arlington, VA. 

The Security Specialist will provide assistance to the Government security staff in the execution of their collateral, SAP and SCI duties.

Responsibilities include but are not limited to:

  • Personnel, information, physical, industrial and operations security in support of collateral, special access program (SAP), sensitive compartmented information (SCI), Insider Threat (InT), security education training and awareness (SETA) and alternative compensatory control measures (ACCM) programs.
  • Assist with developing, implementing, managing, and monitoring policies, instructions,
    procedures, control systems, and methods to prevent compromise or loss of classified
    information or material.
  • Assist with physical security, surveys, and inspections.
  • Maintain security-related databases, such as DISS, to ensure the integrity of the applicable
    information.
  • Prepare classified material for mailing in accordance with applicable DoD regulations (i.e.
    markings, receipting, wrapping, tracking).
  • Review applications for security clearances for administrative completeness and submit
    applications as required.
  • Prepare incoming and outgoing visit authorization requests (VARs) for command personnel
    and visitors to include coordination of foreign national certifications with the Defense
    Intelligence Agency (DIA) and applicable Embassies.
  • Assist with security support to conferences (i.e. process VARs, verification of participant
    clearances, provide/transport classified information/materials, site surveys, on-site support, etc.).

Minimum Qualifications: 

  • At least 4 years of experience in the security functional area.
  • At least 4 years of experience with the latest security policies, processes, and procedures including personnel, information, physical, industrial and operations security in support of collateral, special access program (SAP), sensitive compartmented information (SCI), Insider Threat (InT), security education training and awareness (SETA) and alternative compensatory control measures (ACCM) programs.
  • High School Diploma
     

Preferred Qualifications:

  • Bachelors Degree
  • Experience with the Office of Secretary of Defense (OSD), Joint Staff, or Service-level security experience.
  • Experience with handling classified correspondence and materials, knowledge of Microsoft
    Office suite tools, and experience in writing, editing, and managing executive correspondence.
  • Demonstrated subject matter knowledge of DoD, intelligence community, and national-level personnel security policies and procedures.
     

Clearance Requirement:

  • Must have an active TS/SCI
     

Physical Requirements:

  • Sedentary Work

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