• Facilities Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking a Facilities Engineer with facilities expertise and executive-level briefing experience to support our mission in Chantilly, VA. This ... position requires an active TS /SCI with Polygraph and requires a daily start on-site...procedures + Knowledge and experience with electrical and mechanical systems used in facility operations + Understanding of critical… more
    SAIC (12/31/25)
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  • Network Testing Lab Infrastructure Engineer

    CACI International (Sterling, VA)
    Network Testing Lab Infrastructure Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph ... test setups, and equipment inventory. + Support the installation and updates of software and firmware on lab devices. + Assist in the preparation of lab… more
    CACI International (10/24/25)
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  • Digital Signals Processing Engineer

    CACI International (Sterling, VA)
    …to obtain TS SCI with POLY _Desired:_ + Understanding of software defined radio systems : Receiver architectures, Software channelization, ... Digital Signals Processing Engineer Job Category: Engineering Time Type: Full time...debug, integrate, and test signal processing algorithms and SIGINT software systems running on a variety of… more
    CACI International (11/26/25)
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  • Satellite Communications Engineer

    Leidos (Chantilly, VA)
    **Description** **JOB DESCRIPTION** We're seeking a communications engineer to support mission-critical communications for national security and intelligence ... research, develop innovative solutions, and analyze advanced satellite communication systems to enable design, development, and integration for secure, reliable… more
    Leidos (12/04/25)
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  • ADC Engineer I, Amazon Dedicated Cloud…

    Amazon (Herndon, VA)
    …most complex technical problems? Do you have a deep passion and desire to engineer and operate the world's largest cloud computing infrastructure to build a better ... building some of the largest and most complex distributed systems in the world, and we need adaptable people...candidate selected must currently possess and maintain an active TS /SCI security clearance with polygraph. The position further requires… more
    Amazon (11/12/25)
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  • Network Firewall Engineer

    CACI International (Sterling, VA)
    Network Firewall Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: ... + Assist in the implementation and configuration of firewall systems across various platforms + Perform day-to-day firewall administration tasks,… more
    CACI International (10/25/25)
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  • (DoD SkillBridge), Specialist, Integration & Test…

    L3Harris (Herndon, VA)
    …Essential Functions: + Support the set-up, configuration, and documentation of hardware and software systems under test, including loading custom and commercial ... of national security. Job Title: Specialist, Integration and Test Engineer Job Code: 29068 Job Location: Herndon, VA Job...software onto multiple systems + Developing and executing structured training sessions +… more
    L3Harris (12/19/25)
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  • Digital Signal Processing Engineer

    CACI International (Sterling, VA)
    …+ Design, develop, debug, integrate, and test signal processing algorithms and SIGINT software systems running on a variety of platforms supporting intelligence, ... Digital Signal Processing Engineer Job Category: Engineering Time Type: Full time...Help define the requirements, CONOPs and architecture for future systems . + Use computer-assisted engineering and design software more
    CACI International (10/29/25)
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  • DevSecOps Engineer

    Lockheed Martin (Herndon, VA)
    …ensure that scientists and engineers will be able to fully utilize modern HPC systems \. We are seeking a DevOps Engineers familiar with Unix/Linux/SE for our Data ... site administration one\-on\-one to troubleshoot automation/deployment issues * Install software libraries functioning in RHEL/SE Linux environment to support… more
    Lockheed Martin (01/07/26)
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  • Network Systems Engineer Cyber Opns…

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' ... ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive… more
    Nightwing (12/20/25)
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