• Senior Cybersecurity Engineer

    Amentum (Richmond, VA)
    …Associate's degree plus at least 6 years hands-on experience as a cybersecurity network engineer ; a Bachelor's degree in Computer Science, Information Systems or ... countries across all 7 continents. Amentum is seeking a ** Senior Cybersecurity Engineer with focus on Networking**...firewalls, endpoint security, threat hunting. . Deep understanding of network protocols (eg TCP/ IP , DNS, DHCP, BGP,… more
    Amentum (10/24/25)
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  • Senior Lead Infrastructure Engineer

    Lumen (Richmond, VA)
    …as we digitally connect the world and shape the future. **The Role** The Network Engineer will be responsible for designing, implementing, and managing Domain ... solutions to ensure optimal performance, reliability, and availability of our network infrastructure within a hybrid cloud environment. This role combines advanced… more
    Lumen (11/19/25)
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  • Senior Firewall Engineer

    Insight Global (Henrico, VA)
    Job Description The Senior Firewall Network Engineer is responsible for implementing and overseeing firewall policies based on input from the Information ... other teams in troubleshooting systems by analyzing firewall logs and interpreting TCP/ IP packet captures. Ensuring all firewall appliances are current with OS… more
    Insight Global (09/09/25)
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  • Linux Systems Engineer

    SAIC (Arlington, VA)
    **Description** Seeking a Senior Systems/ Network Engineer , working with a diverse team of contractors, government personnel and subject matter experts, ... as n8n, Puppet, or Chef. + Advance knowledge of networking protocols (TCP/ IP ) and troubleshooting network issues. Must be fully conversant in the OSI model. +… more
    SAIC (09/20/25)
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  • Core/WAN Network Lead

    CACI International (Sterling, VA)
    …encompasses the design, implementation, and maintenance of complex, global enterprise networks. The Senior Network Engineer will act as a key technical ... CORE/WAN Network Lead Job Category: Information Technology Time Type:...equipment (Adaptive Security Appliance, etc) + Experience with supporting IP services to connect to NIPRNET, SIPRNET and JWICS… more
    CACI International (10/24/25)
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  • Systems Administrator II Generalist Sr

    V2X (Springfield, VA)
    …+ The Senior Systems Administrator II shall work closely with the activity's Senior Systems Administrator, Network Engineer as well as the IT team ... challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI… more
    V2X (11/15/25)
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  • Sr . Specialist, Electrical Engineer

    L3Harris (Herndon, VA)
    …air, land, sea and cyber domains in the interest of national security. Job Title: Sr . Specialist ASIC/FPGA Senior Design Engineer Job Code: 30428 Job ... more than 100 countries. Job Description: Reporting to the Manager, Engineering (ASIC/FPGA), the Senior Design Engineer will be part of the key ASIC/FPGA design… more
    L3Harris (10/26/25)
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  • Sr . Software Engineer

    Leidos (Arlington, VA)
    **Description** Leidos is seeking a Senior Software Engineer to support the maritime autonomy team. In this position you will work in a diverse environment that ... Linux systems. + Experience with interface communication standards / protocols such as TCP/ IP , UDP, and DDS. + Collaborate with all teams to support software… more
    Leidos (09/05/25)
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  • Sr . Managed Services Engineer

    SHI (Richmond, VA)
    …technology you need to thrive - in our offices or yours.** **Job Summary** The Senior Managed Services Engineer is responsible for supporting a designated set of ... effective incident management. + Design and validate technical solutions, supporting network and infrastructure development. + Manage and configure diverse platform… more
    SHI (10/14/25)
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  • Sr . Customer Delivery Engineer

    Amazon (Arlington, VA)
    Description As a Customer Delivery Engineer (CDE) within Amazon LEO, you will play a critical role in ensuring customers complete successfully the integration, ... implementing technical solutions that enable customers operating in the Amazon LEO network . You will be working together with Customer Delivery Managers (CDMs) and… more
    Amazon (11/11/25)
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