Security Specialist

General information

Requisition # R59705 Locations USA-VA-Arlington Posting Date 04/09/2025 Security Clearance Required TS/SCI Remote Type Onsite Time Type Full time

Description & Requirements

Shape the future of defense with ManTech! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with ManTech!

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 clearance.

Physical Requirements:

• Sedentary Work

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.