• Systems Administrator / Top Secret / Onsite:

    Lockheed Martin (Arlington, VA)
    …and apply industry best practices for systems administration across Windows, Linux , and VMware vSphere/ESXi environments\. * Develop and implement security solutions ... incorporated into information systems\. **What's In It For You:** From onsite to remote , we offer flexible work schedules and a comprehensive benefits package that… more
    Lockheed Martin (10/22/25)
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  • Systems Engineer TS/SCI Poly

    Parsons Corporation (Centreville, VA)
    …Parsons, you will be responsible for the operations and maintenance of Linux -based software across various platforms, including bare metal hardware, virtual machines ... You'll Be Doing:** + Perform Operations and Maintenance of Linux based software running on a variety of bare...+ Advanced file operations + Managing systemd services + Remote navigation and file operation + Writing and debugging… more
    Parsons Corporation (10/03/25)
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  • Senior Consultant: OCP Infrastructure

    Red Hat (Richmond, VA)
    …delivering successful modern cloud platform consulting engagements + Experience with Linux system administration, preferably Red Hat Enterprise Linux (RHEL) ... may also be eligible for bonus, commission, and/or equity. For positions with Remote -US locations, the actual salary range for the position may differ based on… more
    Red Hat (11/19/25)
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  • Senior Cloud Engineer

    Leidos (Arlington, VA)
    …the DHS CISA in Arlington, VA, please note this position is 100% remote . In this hands-on role, you'll architect and develop scalable cloud-native solutions using ... maintenance, security analysis and network performance and tuning of Windows and Linux servers in a virtual infrastructure. + Define system security & design… more
    Leidos (11/18/25)
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  • Senior Information Security Engineer…

    Lumen (Richmond, VA)
    …cyber threats both on-premises and in cloud environments. **Location** This is a remote position open to candidates based anywhere in the US **The Main ... + Perform upgrades, patching, hardening, access control, and routine maintenance of Linux and Windows-based security infrastructure. + Build and maintain tools and… more
    Lumen (11/15/25)
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  • Endpoint Vulnerability Management Subject-Matter…

    GovCIO (Richmond, VA)
    …is located within the United States and will be a fully remote position. **Responsibilities** + Operating endpoint vulnerability assessment tools, agent- and ... database platforms + Windows and macOS operating systems + Linux , and Unix operating systems such as Red Hat...and Unix operating systems such as Red Hat Enterprise Linux , Oracle Enterprise Linux , and Solaris +… more
    GovCIO (10/23/25)
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  • Junior System Administrator

    Gama-1 Technologies (Norfolk, VA)
    …maintenance, and monitoring of IT systems and infrastructure in a remote environment. The Junior System Administrator will assist with the installation, ... in the setup, configuration, and maintenance of Windows and Linux servers, applications, and related components. + Support user...environment + This work will be completed in a remote environment. Physical demands + Prolonged periods of sitting… more
    Gama-1 Technologies (10/11/25)
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  • Senior Consultant, Application Migration & Release…

    Red Hat (Richmond, VA)
    …continuous delivery, and or continuous deployment concepts and tools + Some experience with Linux , preferably Red Hat Enterprise Linux (RHEL) or a derivative + ... may also be eligible for bonus, commission, and/or equity. For positions with Remote -US locations, the actual salary range for the position may differ based on… more
    Red Hat (09/30/25)
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  • Cyber Security Analyst

    ManTech (Dahlgren, VA)
    …limited to:** + Work as an early-career computer scientist with emphasis on Linux , Python, Bash, and containerization for use in DoD applications + Develop, ... maintain, and enhance software systems, focusing on Linux systems administration, automation, and scripting, particularly in Python + Work with container… more
    ManTech (11/20/25)
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  • Senior System Administrator

    RTX Corporation (Springfield, VA)
    …clearance. + Security+ DoD 8570 certification or higher. + System administration across Linux systems. + Experience in the Intelligence Community (IC). + Red Hat ... Enterprise Linux Certifications: RHCT or RHSA. + Experience with LDAP,...whether the role is designated as on-site, hybrid or remote ._** The salary range for this role is 82,000… more
    RTX Corporation (11/15/25)
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