• ACAS Engineer - Active Top Secret Clearance…

    ENS Solutions (Reston, VA)
    network monitoring, network flow analysis, packet capture analysis, network proxies, firewalls, anti-virus capabilities, Linux or UNIX command line, and ... enterprise computer systems. Engineer, design, develop, and implement enterprise network cyber defense capabilities to prevent sophisticated cyber threats.… more
    ENS Solutions (12/27/25)
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  • Systems Engineer - TS/SCI with Polygraph

    General Dynamics Information Technology (Herndon, VA)
    …A successful candidate will need to demonstrate an in-depth understanding of Linux /Unix and a firm understanding of cloud technologies. Candidate must demonstrate on ... Upgrade and maintain operating systems and application software on LINUX ( Linux (RHEL, CentOS, Scientific Linux...support for COTS applications. + Daily monitoring of the network , servers, cloud and applications to ensure full availability… more
    General Dynamics Information Technology (01/08/26)
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  • Cloud Support Engineer

    ManTech (Vienna, VA)
    …and customer service. You will help troubleshoot complex issues across Linux and Kubernetes environments, collaborate with engineering teams, and ensure enterprise ... investigation and escalation + Independently resolving technical issues related to Linux and Kubernetes infrastructure with minimal supervision, escalating only when… more
    ManTech (01/07/26)
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  • Lab Manager III

    ARSIEM (Arlington, VA)
    …on every client you work with. ARSIEM is looking for a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administration to support ... + Perform large-scale configuration management and deployment across Windows, macOS, Linux /Unix, and other operating systems and virtual environments to support the… more
    ARSIEM (12/23/25)
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  • Lead Systems Engineer - (Hybrid)

    CareFirst (Reston, VA)
    …Native Architecture. + Linux , Shell scripting, and general admin skills. + Network , Security, Plugins, & Storage Skills. + AWS skills: EC2, S3, EBS, EFS, IAM, ... + Other Required Skills: Understanding of Cloud Native Architecture Linux , Shell scripting, and general admin skills Network... Linux , Shell scripting, and general admin skills Network , Security, Plugins, & Storage Skills AWS skills: EC2,… more
    CareFirst (12/05/25)
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  • Enterprise Logging Solution (ELS) Lead

    Tyto Athene (Ashburn, VA)
    …+ Administer and optimize enterprise IT applications and systems in Windows and Linux environments. + This role ensures that all systems, applications, and security ... and incident response. + Develop and maintain automation scripts using Linux and/or Windows scripting languages to streamline logging operations and administration.… more
    Tyto Athene (11/01/25)
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  • Senior Cloud Engineer

    Tetrad Digital Integrity LLC (Arlington, VA)
    …task order + Hardware and software installations, upgrades, maintenance, security analysis and network performance and tuning of Windows and Linux servers in a ... securing, and troubleshooting Microsoft Windows Server and Red Hat Enterprise Linux + Extensive automation experience with PowerShell and Shell Scripting for… more
    Tetrad Digital Integrity LLC (12/31/25)
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  • Fidelis Administrator - Active TS/SCI with CI Poly

    ENS Solutions (Reston, VA)
    …day-to-day operations, monitoring, and problem resolution for all client/server/storage/ network devices, etc. Install, configure and manage operating system ... and application software as necessary. Support Linux & Windows systems engineering efforts in system design...and other events to troubleshoot Fidelis appliance stack and network issues to ensure it remains fully operational +… more
    ENS Solutions (12/27/25)
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  • Systems Administrator

    Lockheed Martin (Herndon, VA)
    …interval agreed upon with the Sponsor * Perform system hardening of Linux systems according to information security engineering principles and industry best ... practices * Maintain all server, including Windows servers, Linux servers, Oracle database servers, Apache servers, DNS servers and Domain controllers * Apply server… more
    Lockheed Martin (01/11/26)
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  • Journeyman Software Developer

    Precise Systems, Inc. (Dahlgren, VA)
    …our highly skilled workforces, we provide expert consultation on network and weapons systems acquisition programs, maintenance/modernization programs, and ... Java + Work experience in a Scrum environment + Working knowledge of the Linux operating environment including, but not limited to, the following: + Testing and… more
    Precise Systems, Inc. (11/07/25)
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