• Senior Security Engineer

    ManTech (Chantilly, VA)
    … management tools, and virtualization platforms + Strong knowledge of Windows and Linux systems , operating system security practices, TCP/IP networking, ... In this role, you will help design, implement, and sustain mission-driven network solutions that enable secure enterprise operations. You will provide technical… more
    ManTech (08/08/25)
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  • Senior Security Engineer

    ManTech (Chantilly, VA)
    … management tools, and virtualization platforms . Strong knowledge of Windows and Linux systems , operating system security practices, TCP/IP networking, ... In this role, you will help design, implement, and sustain mission-driven network solutions that enable secure enterprise operations. You will provide technical… more
    ManTech (08/08/25)
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  • Sr. Software Engineer

    Leidos (Arlington, VA)
    …features and performance improvements. + Implement, and testing C++ software for Linux systems . + Experience with interface communication standards / protocols ... support software deployments and integrations. + Documenting the developed systems . **Basic Qualifications** + US Citizen with the ability...such as RTI DDS + Advanced knowledge of the Linux operating system + Experience with other… more
    Leidos (07/24/25)
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  • Exploit Developer/Penetration Tester 2/3

    Northrop Grumman (VA)
    …and web application exploitation + Proficiency in the internal workings of either Linux , Unix, and/or Windows operating systems + Experience using ... engineering techniques. It perform vulnerability analysis and exploitation of applications, operating systems , or networks. Also identifies intrusion or incident… more
    Northrop Grumman (07/18/25)
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  • Penetration Tester

    CACI International (Chantilly, VA)
    …experience and knowledge of Windows operating systems (incl. Active Directory), Linux operating systems ; ESXi or similar; mobile platforms are a ... None Type of Travel: None * * * **_The Opportunity:_** **Perform computer network evaluations to include penetration security assessments in a cybersecurity red team… more
    CACI International (06/14/25)
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  • Lab Manager 3

    ARSIEM (Arlington, VA)
    …5+ years of directly relevant experience in system administration + Experience with multiple operating systems , including Linux /Unix & MacOS + Experience and ... and Enterprise Connect implementation + Experience with writing technical procedures and standard operating procedures + CEH + Sec+ + Network + + CCNA Clearance… more
    ARSIEM (07/10/25)
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  • Data Center Server Operations Manager

    Google (Reston, VA)
    …data center environments, including building and operating infrastructure, network , compute architecture, lifecycle, and Linux /Unix system administration. + ... + 8 years of experience in computing infrastructure, networking, operating systems , or hardware. + 5 years...servers and its components) and server software (like Google's Linux cluster). They will also take on the configuration… more
    Google (08/13/25)
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  • HPC Infrastructure Engineer

    Ford Motor Company (Richmond, VA)
    …playbooks, roles, and collections for provisioning and configuring compute nodes, storage systems , and network services. + Automate OS and middleware upgrades, ... HPC Infrastructure Engineer, you will play a key role in architecting and operating our on-prem and hybrid compute clusters. You'll collaborate with research teams… more
    Ford Motor Company (08/08/25)
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  • Senior IT HPC Specialist

    Applied Research Associates, Inc. (Reston, VA)
    systems administration, network management, or tech support + Proficiency with operating systems (Windows, Linux ) + Experience with network ... and optimize project-wide IT HPC infrastructure, including servers, networks, and data systems . Support ATO production cycle. + ** Network Management:** Monitor,… more
    Applied Research Associates, Inc. (07/29/25)
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  • Geospatial Engineer

    SAIC (Chantilly, VA)
    …for the planning and tasking of the operational system, providing Systems Engineering and Integration expertise for planning, requirements gathering, and validation, ... and generate travel cables and system notification to AOR. + Follow standard operating procedures to provide support for the infrastructure and customers during live… more
    SAIC (08/07/25)
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