• Senior M&S Systems Developer (SME)

    SimIS Inc. (Norfolk, VA)
    …and domain expertise. You'll design high-level architectures that integrate legacy systems while building next-generation capabilities, ensuring real-time ... reviews of architecture designs and code implementations + Develop APIs for connecting legacy systems (JCTS, JTLS) to new architecture + Optimize network… more
    SimIS Inc. (12/05/25)
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  • Sr. Specialist, Systems Engineer…

    L3Harris (Greenville, TX)
    …domains in the interest of national security. Job Title: Sr. Specialist, Systems Engineer (COMINT/SIGINT) Job Code: 30864 Job Location: Greenville, TX (On-Site) Job ... Shift 9/80 Job Requirements: L3Harris is seeking a Sr. Systems Engineering Specialist who will be responsible for working...development. + Requirements derived for new capability added to legacy programs. + Plan and conduct integration testing of… more
    L3Harris (11/08/25)
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  • Lead, Systems Engineering (SIGINT/COMINT)

    L3Harris (Greenville, TX)
    …and cyber domains in the interest of national security. Job Title: Lead, Systems Engineer (SIGINT/COMINT) Job Code: 30387 Job Location: Greenville, TX (On-Site) Job ... 1st Shift 9/80 Job Requirements: L3Harris is seeking a Systems Engineer who will be responsible for working in...development. + Derive Requirements for new capability added to legacy programs. + Plan and conduct integration testing of… more
    L3Harris (10/26/25)
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  • Sr. Communication Systems Design Engineer,…

    Amazon (Austin, TX)
    …a critical role in the design, integration and verification of various HW and SW sub- systems as a part of system integration and link bring-up and verification. ... unserved and underserved communities around the world. As a Systems Engineer, this role is primarily responsible for the...Be part of the team defining the overall communication system and architecture of Amazon Leo's broadband wireless network.… more
    Amazon (12/20/25)
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  • Mid to Senior Systems /Hardware Engineer…

    CACI International (Fort Meade, MD)
    system requirements and derived requirements to ensure the delivery of production systems that are compatible with the defined system architecture(s) - ... considerations. * Allocate real-time process and error budgets to systems and subsystem components. * Generate alternative system...new ground - in your career and in our legacy . **Your potential is limitless.** So is ours. Learn… more
    CACI International (12/03/25)
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  • Business Systems Analyst/Tester

    CACI International (Reston, VA)
    Business Systems Analyst/Tester Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular ... Travel: None * * * **The Opportunity:** Are you a passionate Business Systems Analyst who likes working under minimal direction? Do you enjoy gathering requirements,… more
    CACI International (10/21/25)
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  • Modernization Systems Engineer - SE1

    Lockheed Martin (Hanover, MD)
    …from an accredited college or university, plus seven \(7\) years of systems engineering experience\. Required Skills/Experience: * Manage system requirements and ... derived requirements to ensure the delivery of production systems that are compatible with the defined system architecture\(s\) - Department of Defense… more
    Lockheed Martin (01/08/26)
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  • System Administrator 1

    CACI International (Fort Meade, MD)
    System Administrator 1 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... the right person to join our team as a System Administrator in the Fort Meade, MD area! In...the opportunity to provide support and maintain government IT systems that help support national defense operations. **Responsibilities:** +… more
    CACI International (01/07/26)
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  • Operations Integrator/MAVEN Smart System

    CACI International (Doral, FL)
    Operations Integrator/MAVEN Smart System Job Category: Science Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of ... onsite at USSOUTHCOM, you will leverage expertise in the Maven Smart System (MSS), Foundry, and Gaia to drive mission-critical innovation. By bridging technical… more
    CACI International (12/25/25)
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  • Land Mobile Radio (LMR) System Technologist

    CACI International (Alexandria, VA)
    Land Mobile Radio (LMR) System Technologist Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular ... Repair & maintain a P25 simulcast conventional public safety radio communications systems * Monitor site status and address discovered issues, verify documentation… more
    CACI International (11/25/25)
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