• Unified Communications Engineer - Principal

    Amentum (Warrenton, VA)
    …is a DoD-provided, TS/SCI, integrated voice, video, and data, global communications network that facilitates collaboration among senior leaders and key staff. ... + Knowledge of network fundamentals such as firewalls, ACLs, simple network monitoring protocol , dot1x authentication, and dynamic routing protocols +… more
    Amentum (09/17/25)
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  • Cyber Software Engineer

    Leidos (Arlington, VA)
    …with TCP/ IP networking stack development and strong understanding of network protocols and concepts from a security perspective. + Deep understanding of ... **Description** Are you a motivated **Cyber Software Engineer ** with technical hands-on knowledge of mission focused systems? Are you an ethical hacker ready to… more
    Leidos (08/08/25)
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  • Telecommunications Field Engineer

    CACI International (Herndon, VA)
    …* * * **The Opportunity:** CACI has an immediate opportunity for a senior level **Telecommunications Field Engineer ** with a TS/SCI Poly clearance. ... Telecommunications Field Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type:… more
    CACI International (08/21/25)
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  • OCONUS Field Engineer - TS/SCI Polygraph…

    Leidos (Chantilly, VA)
    …either a systems engineer or systems administrator. Prior OCONUS experience and IP networking knowledge are desired. The program is composed of one team split ... **Description** We are seeking mid to senior field engineers to join our international team...is made-up of highly technical and motivated individuals. The engineer for this role will troubleshoot complex problems, as… more
    Leidos (08/08/25)
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  • Systems Engineer - DevOps

    M. C. Dean (Vienna, VA)
    …includes secure cloud-hosted and on-premises environments. As part of the team, the ** Senior Systems Engineer ** 's responsibilities will include (but will not be ... evaluation of technology components; + Working with system architects and lead engineer **to maintain and improve the architecture and design** of the infrastructure… more
    M. C. Dean (08/27/25)
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  • Security Engineer , AWS Cross Domain…

    Amazon (Arlington, VA)
    Description AWS is seeking a Cross Domain Services Security Engineer to support our government customers in the Intelligence, Defense, and National Security ... AWS work. 10012 Key job responsibilities As a Security Engineer , you'll help your customers plan their successful cloud...You will get the opportunity to work directly with senior engineers at customers, partners and AWS service teams,… more
    Amazon (09/27/25)
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  • Systems Engineer

    TEKsystems (Richmond, VA)
    …purpose-built appliances, containers and associated software/firmware. 2. Strong knowledge of network concepts and understanding of the OSI model and TCP/ IP ... is seeking a highly skilled and adaptable Software Systems Engineer to implement, enhance and maintain systems within our...electric utility industry, and power grid Experience Level Mid/ Senior Level Pay and Benefits The pay range for… more
    TEKsystems (09/25/25)
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  • Principal Cyber Security Systems Engineer

    ManTech (Chantilly, VA)
    MANTECH seeks a motivated, career-driven **Principal Cyber Security Systems Engineer ** to join our team in **Chantilly, VA** . This role offers an exciting ... opportunity for an experienced engineer to secure and optimize complex infrastructure in support...protection across enterprise platforms. You will serve as a senior technical leader and mentor, guiding strategic improvements while… more
    ManTech (08/29/25)
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  • System Development Engineer , Automation…

    Amazon (Arlington, VA)
    …and real-time data processing using distributed systems. We are looking for a Senior System Development Engineer with a passion for industrial software and ... generation software, hardware, and processes to run our state-of-the-art global fulfillment network that moves many millions of units of inventory, ensuring that… more
    Amazon (08/28/25)
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  • Senior Associate, Integration/Test…

    L3Harris (Lynchburg, VA)
    …Batch Scripting / Python + Knowledge of basic networking tools (PuTTY, TeraTerm, TCP- IP , TFTP) & fundamentals ( network addresses, masks, subnet masks) + ... sea and cyber domains in the interest of national security. Job Title: Senior Associate, Integration/Test Engineering Job Code: 26445 Job Location: Lynchburg, VA Job… more
    L3Harris (07/31/25)
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