Demo

ComSec Specialist Mid

Apex Systems
Washington, DC Full Time
POSTED ON 3/25/2026
AVAILABLE BEFORE 4/25/2026
Job#: 3023807

Job Description:

JOB DESCRIPTION: Mid-Level ComSec Specialist

Location: Pentagon (On ‑ site, Full ‑ time)

Clearance Required: TS/SCI (Active)

Target Salary: ~$130,000

Overview

Apex Systems is seeking a Mid ‑ Level Communications Security Specialist to support communications security operations, cryptographic key management, and modernization initiatives for a major DoD program. This role is ideal for a hands ‑ on ComSec professional who brings solid technical experience and a proactive approach to problem-solving.

Candidates should be comfortable supporting policy development, conducting ComSec reviews, and engaging with senior stakeholders as needed.

Key Responsibilities

  • Support ongoing cryptographic modernization activities and assist in implementing new cryptographic standards and technologies.
  • Manage and track cryptographic keys, equipment, and accountability records in accordance with DoD and NSA requirements.
  • Assist in the development and maintenance of ComSec and key management policies, procedures, and technical documentation.
  • Evaluate communication systems to ensure compliance with cryptographic and ComSec requirements.
  • Provide technical input to modernization planning, gap assessments, and system upgrades.
  • Support the preparation of briefings, reports, and analytic summaries for government leadership.
  • Perform daily ComSec “doer” tasks while identifying opportunities for improvement or modernization.
  • Collaborate with senior analysts to execute modernization strategies and resolve technical issues.

Required Qualifications

  • 10 years of relevant experience AND a bachelor’s degree in cybersecurity or related field, OR
  • A bachelor’s degree in any field plus a CSSP ‑ level certification (or equivalent DoD 8570 qualifying certification).
  • Experience in ComSec operations, key management, cryptographic equipment, or secure communications systems.
  • Familiarity with ComSec policy, NSA guidance, and accountability standards.
  • Strong written communication skills with the ability to contribute to policy or technical documentation.
  • Proactive work style with the ability to operate independently in a mission ‑ critical environment.
  • Active TS/SCI clearance.

Preferred Qualifications

  • Prior military experience in communications, intelligence, cyber, or signal fields.
  • Experience with EKMS/KMI, cryptographic hardware, and DoD communication networks.
  • Exposure to cryptographic modernization initiatives or emerging cryptographic technologies.
  • Experience participating in briefings to senior military/government personnel

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6 months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6 months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

Apex Systems is part of the Commercial Segment of ASGN Incorporated.

NYSE: ASGN

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Apex Systems.

Salary : $130,000

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