> Markdown version of [/jobs/ext/4673340-comsec-support-engineer](https://www.wearedevelopers.com/jobs/ext/4673340-comsec-support-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # COMSEC Support Engineer - **Company:** Quantum Sky Engineering Llc - **Location:** Washington, DC, United States - **Salary:** $125,000 - $150,000 - **Contract:** Permanent contract - **Skills:** CompTIA Security+, Cyber Security, Key Management, Wireless Security, Test Execution Engine - **Published:** November 11, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9306864/comsec-support-engineer ## About the Role Required: * 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. * Strong understanding of COMSEC policies and procedures. * Excellent communication and interpersonal skills for training and advising personnel. * Ability to manage sensitive information and maintain confidentiality. * Proficiency in using COMSEC management systems and tools. Desired: * Experience supporting DoD or other federal government COMSEC programs. * Familiarity with NSA-approved Type 1 encryption devices, Electronic Key Management System (EKMS), or Key Management Infrastructure (KMI). * Knowledge of applicable NSA, CNSS, and agency-specific COMSEC policies and procedures. * Experience with secure voice, data, and network encryption technologies. * CompTIA Security+, Network+, or equivalent technical/security certifications. * Previous experience supporting COMSEC custodians, secure communications infrastructure, or classified network environments. Clearance: * An active Top Secret clearance with SCI eligibility is required. ## 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., * 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 * 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 * Conducts initial briefings and debriefings for personnel handling COMSEC material, ensuring adherence to established procedures and protocols * 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 * Recognizes potential security violations and takes appropriate actions to report incidents. Supervises protective measures during cybersecurity incidents or vulnerabilities * The engineer will also prepare all documents required to add, change, or delete services to the network. * Manages and maintains COMSEC inventory, devices and ensures all DOJ and NSA guidelines are met. * 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, * 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.