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General information

Requisition #
R67079
Locations
USA-DC-Washington
Posting Date
04/10/2026
Security Clearance Required
TS/SCI
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 seeks a motivated, career and customer-oriented COMSEC Information Security Specialist to join our team in Washington, D.C.. 

Responsibilities include but are not limited to:

  • Responsible for applying Information Assurance expertise and knowledge to network and/or enterprise security.
  • Familiar with and able to apply “best practices” security methodologies.
  • Functional expertise in one or more information assurance technologies or capabilities such as Vulnerability/Threat Assessments, Network Intrusion Detection, Secure Operations, Firewall Design & Deployment, Public Key Encryption, Virtual Private Networks, etc. Provides COMSEC helpdesk support to client’s personnel during normal business hours and during emergency events
  • Interfaces with all necessary levels of management and staff regarding Information Assurance services.
  • Maintains and updates client’s COMSEC Policy Guide and COMSEC SOPs. Conduct semi-annual inventories of COMSEC sub-accounts.
  • Plans and conducts compliance audits and inspections on client’s COMSEC accounts.
  • Provides COMSEC Access Briefings and debriefings when requested by the client.

Minimum Qualifications:

  • B.A. or B.S. in related field with one (1) year of experience maintaining and sustaining enterprise environments. Degree may be substituted for four (4) years of professional enterprise services experience for a total of five (5) years.
  • Strong understanding of COMSEC disciplines.
  • Knowledgeable about the National Security Agency (NSA) policies and accounting procedures required for coordinating customers’ requirements and resolving COMSEC matters.
  • Strong proficiency in Microsoft Excel.

Preferred Qualifications:

  • 4 years of customer service, administrative services/Asset Management experience
  • 4 years of COMSEC custodian experience
  • Security+ certification

Clearance Requirements:

  • Must be a US Citizen and possess a current/active TS/SCI clearance
  • Must be willing and able to pass a polygraph

Physical Requirements:

  • The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.
  • Must be able to lift and move hardware weighing up to 50 pounds.


The projected compensation range for this position is $114,600.00-$190,200.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.  In addition, MANTECH invests in its employees beyond just compensation.  MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

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.