• COMSEC / 5G cellular / VHF Systems…

    General Dynamics Information Technology (Washington, DC)
    …and procedures for accessing communications assets in the space segment. + Knowledge of radio frequency theory, including HF radio propagation, VHF radio ... Protocol (VOIP) endpoints, Ultra-high Frequency /Super-high Frequency /Very-high Frequency /High Frequency (UHF/SHF/VHF/HF) radio platforms, desktop and… more
    General Dynamics Information Technology (11/20/25)
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  • RF Electrical Engineer

    CACI International (Panama City, FL)
    …Travel: Local * * * **The Opportunity:** CACI seeks a highly motivated Senior RF Engineer to join our team supporting Electromagnetic Sensor and Communication ... (ES&C) and COMSEC within the Naval Surface Warfare Command. Our organization...Development (R&D) fields and requires an enthusiastic and self-motivated RF Engineer to join our design engineering… more
    CACI International (10/23/25)
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  • RF Engineer

    Lockheed Martin (Littleton, CO)
    …The Lockheed Martin Space Mission Processing team is seeking a highly skilled and motivated RF Engineer Stf to join our development team\. As member of the ... RF team, you will design, develop, test, and deploy... systems with other components * Working with software\-defined radio \(SDR\) systems and interfaces, including waveform development and… more
    Lockheed Martin (01/09/26)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …(On-Site) Job Schedule: 1st Shift 9/80 Job Description: The Senior Systems Engineer Specialist will be responsible for providing systems level engineering guidance ... and leadership to contributing disciplines within an RF /COMMS systems engineering group. Essential Functions: + Perform systems...analysis, cost analysis, and cascade analysis. + Experience with COMSEC and cryptological devices. + Able to read and… more
    L3Harris (11/08/25)
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  • Principal Enterprise Network Engineer

    Applied Research Solutions (Bedford, MA)
    …- spanning enterprise networks, fiber/copper backbones, secure telephony, ground RF and satellite communications, cryptographic/ COMSEC systems, and ... routing/switching, fiber/copper transmission, telephony, data/voice/video networks. + Solid understanding of RF / radio / satellite / ground- radio more
    Applied Research Solutions (12/06/25)
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  • Network Engineer

    Nightwing (Herndon, VA)
    …links, troubleshoots network connectivity issues, and install/configure wide area link utilizing radio frequency ( RF ) communications (ie over satellite, ... and commercial markets. Nightwing is seeking a cleared Network Engineer in the Herndon area. The selected candidate will...designs and orders. Understands how the overarching INFOSEC and COMSEC security requirements for the Customer network add to… more
    Nightwing (12/23/25)
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  • SURTASS Operations & Maintenance (O&M) Technician…

    V2X (Reston, VA)
    …cloud computing environments, and distributed data systems. + Demonstrated experience in Radio Frequency ( RF ) solutions, network security, Quality of ... A few of these programs include: + Fleet Systems Engineer Team (FSET) program located in key ports around...software, and appliances. + Graduate of Navy Communications Security ( COMSEC ) Manager School. + Three years of experience serving… more
    V2X (11/13/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …Job Schedule: 1st Shift 9/80 Job Description: The Sr. Specialist, Systems Engineer (SE) will be responsible for performing technical planning, system integration, ... communication platforms. Essential Functions: + Understand physical architecture incorporating RF , satellite communications (SATCOM), radios, voice (RoIP, VoIP), video,… more
    L3Harris (11/01/25)
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  • SATCOM Systems Engineer (Tier II)

    Linchpin Solutions, Inc. (Aberdeen Proving Ground, MD)
    SATCOM Systems Engineer (Tier II) Aberdeen Proving Ground, MD (http://maps.google.com/maps?q=6175+Guardian+Gateway+Aberdeen+Proving+Ground+MD+USA+21005) Job Type ... We are currently hiring for a dynamic and experienced SATCOM Systems Engineer (Tier II). Clearance:Active DoD Secret Clearance Work Schedule:Onsite daily. Role… more
    Linchpin Solutions, Inc. (10/23/25)
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  • Field Service Representative ( Engineer

    Huntington Ingalls Industries (Syracuse, NY)
    …Warfare sensors, training users, operating systems in the field, troubleshooting complex RF issues, and keeping fleets mission-ready. This role is onsite in ... perform preventive/corrective maintenance, depot-level troubleshooting, and return-to-service verification using RF test equipment (spectrum analyzers, signal generators, VNAs, power… more
    Huntington Ingalls Industries (11/20/25)
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  • Lead, Crypto-Communications Security Systems…

    L3Harris (San Diego, CA)
    …directly with stakeholders and support various project needs on-site. Essential Functions: * RF System Design for COMSEC and Information Assurance: Develop and ... in the interest of national security. Job Title: Lead, Crypto/Communications Security Systems Engineer Job Code: 30537 Job Location: San Diego, CA Job Schedule: 9/80… more
    L3Harris (11/08/25)
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  • Network Operations Center Help Desk…

    L3Harris (Colorado Springs, CO)
    …domains in the interest of national security. Job Title: Sr. Associate Network/Helpdesk Engineer Job Code: 32552 Job Location: Colorado Springs, CO Job Schedule: 7 ... Assurance for our Colorado Springs, CO site. The Senior Network Specialist Engineer requires an active Top Secret Clearance with SCI eligibility. They will… more
    L3Harris (01/07/26)
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  • Specialist, Protected SATCOM, Data Link Systems…

    L3Harris (Salt Lake City, UT)
    …Job Description: L3Harris' Communication Systems segment is currently seeking a Specialist Systems Engineer to join our team. This position will be based at our Salt ... Lake City facility. Position Overview: The Specialist, Systems Engineer will be responsible for the life-cycle support of protected SATCOM data link systems from… more
    L3Harris (01/02/26)
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