
COMSEC Support Engineer
Washington, DCFull-time$125–150K/yrSeen todaySeen in employer's feed today
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Job overview
Quantum Sky seeks a COMSEC Support Engineer to support the management, maintenance, and security of communications security systems and equipment in a federal government environment. The role supports secure communications infrastructure, cryptographic equipment, key management, and COMSEC operations, working with custodians, cybersecurity personnel, network engineers, and government stakeholders. The position is onsite in Washington, DC, and requires an active Top Secret clearance with SCI eligibility.
Skills & qualifications
Skills
Qualifications
Benefits
Full job description
Description
Quantum Sky is searching for a COMSEC Support Engineer to provide technical and operational support for the management, maintenance, and security of Communications Security (COMSEC) systems and equipment within a federal government environment. This position supports secure communications infrastructure, cryptographic equipment, key management activities, and COMSEC operations to ensure the confidentiality, integrity, and availability of mission-critical communications. The engineer works closely with COMSEC custodians, cybersecurity personnel, network engineers, and government stakeholders to maintain operational readiness and compliance with applicable security policies and procedures. This role is critical in ensuring the integrity and security of communications within the organization and with organization partners.
Responsibilities:
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The COMSEC Manager is responsible for managing classified equipment, materials, and information in accordance with Department of Defense (DoD) COMSEC policies. This includes securely storing classified materials and maintaining accountability for all COMSEC material
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Ensures compliance with COMSEC policies and procedures, including maintaining access lists, submitting required accounting reports, and managing the distribution and destruction of COMSEC keys and related materials
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Conducts initial briefings and debriefings for personnel handling COMSEC material, ensuring adherence to established procedures and protocols
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Advises senior management on risk levels, security posture, and cost/benefit analyses of information security programs. This includes collaborating with stakeholders to establish enterprise continuity of operations programs
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Recognizes potential security violations and takes appropriate actions to report incidents. Supervises protective measures during cybersecurity incidents or vulnerabilities
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The engineer will also prepare all documents required to add, change, or delete services to the network.
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Manages and maintains COMSEC inventory, devices and ensures all DOJ and NSA guidelines are met.
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The Administrator will incorporate into the network and COMSEC network all new connections and services as they are required by the customer. When required, this function includes preparing test plans and execution or oversight of test execution
Qualifications
Required:
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A Bachelor’s Degree. Experience and education equivalents: A high school diploma with 4 years of experience in Functional Responsibility area may be substituted for a Bachelor’s Degree. A Master’s Degree may be substituted for 4 years of general work experience. Each relevant technical certification may be substituted for 1 year of experience.
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Strong understanding of COMSEC policies and procedures.
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Excellent communication and interpersonal skills for training and advising personnel.
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Ability to manage sensitive information and maintain confidentiality.
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Proficiency in using COMSEC management systems and tools.
Desired:
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Experience supporting DoD or other federal government COMSEC programs.
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Familiarity with NSA-approved Type 1 encryption devices, Electronic Key Management System (EKMS), or Key Management Infrastructure (KMI).
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Knowledge of applicable NSA, CNSS, and agency-specific COMSEC policies and procedures.
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Experience with secure voice, data, and network encryption technologies.
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CompTIA Security+, Network+, or equivalent technical/security certifications.
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Previous experience supporting COMSEC custodians, secure communications infrastructure, or classified network environments.
Clearance:
- An active Top Secret clearance with SCI eligibility is required.
Location and Schedule:
- This position is onsite at the customer location in Washington, DC. The environment requires onsite support five days per week, with some flexibility in scheduling based on program and customer requirements. Core business hours are 8am-4pm.
About Quantum Sky
Compensation:
- Compensation is unique to each candidate and relative to the skills and experience they bring to the position. The salary range for this position is typically between $125,000-$150,000. This does not guarantee a specific salary as compensation is based upon multiple factors such as education, experience, certifications, and other requirements, and may fall outside of the above-stated range.
Benefits:
- Highlights of our benefits include Health/Dental/Vision, 401(k) match, Paid Time Off, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, and parental leave.
The world the mission operates in is going post-quantum, contested, and machine-speed. Quantum Sky engineers the advantage across cyber, networks, software, and quantum because the mission demands dominance, not parity. We don't follow the map. We draw it.
At Quantum Sky, we believe that success starts with our people. We foster a collaborative, innovative, and mission-driven environment where every team member plays a critical role in shaping the future of technology. Are you ready to join #TeamQuantumSky?
Quantum Sky Engineering LLC is an Equal Opportunity Employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, [sexual orientation, gender identity,] national origin, disability, status as a protected veteran, or any characteristic protected by applicable law.
Submit a Referral (https://careers-quantumsky.icims.com/jobs/2295/comsec-support-engineer/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834326889)
Software Powered by ICIMS
Location US-DC-Washington
ID 2026-2295
Category Cybersecurity
Position Type Full-Time
How this job compares
Set against the 1,940 open Cybersecurity Engineer jobs on Olive Jobs, counted November 13, 2026.
- Pay
- This posting$125–150K/yr
- Washington, D.C. median$113–192K/yr45 salary ranges
- US median$118–198K/yr1,578 salary ranges
This range's midpoint, $138K, is 3% below the Washington, D.C. median midpoint ($142K) — in the middle half of Cybersecurity Engineer salary ranges in Washington, D.C..
- Openings
- Olive Jobs lists 59 open Cybersecurity Engineer jobs in Washington, D.C. and 1,940 across the US. 3% of them nationwide are listed as remote or flexible.
- Hiring the most in Washington, D.C.
- Booz Allen Hamilton7 open
- SAIC5 open
- Deloitte4 open
- Experience
- This posting asks for at least 4 years of experience; Cybersecurity Engineer postings that state a minimum ask for 5 years at the median (1,767 postings).
- Education
- 570 of the 1,940 open Cybersecurity Engineer jobs (29%) ask for a bachelor's degree or higher.
Counted across the open, public US postings on Olive Jobs on November 13, 2026. Figures based on too few postings are left out.
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