• Cyber Systems Administrator (Active TS/SCI)

    Northrop Grumman (Elkridge, MD)
    …management and end users. + Must be able to configure and manage Linux and Windows operating systems upon start date, installs/loads operating system software, ... and troubleshooting of virtual servers and workstations. + Experience with multiple Linux distributions. Ability to assist end users by navigating via command line… more
    Northrop Grumman (01/01/26)
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  • Senior Project Systems Engineer

    Leidos (Camp Springs, MD)
    …to apply. **_Technology Disciplines List:_** **_Minimum 10 years' experience Administering_** + Linux operating systems (RHEL 7, RHEL8, CentOS, Oracle Linux , ... ACAS scans, etc.). + Demonstrated experience in administering and maintaining Linux systems and applications. + Understanding the management and configuration of… more
    Leidos (12/31/25)
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  • Senior Systems Administrator with Poly

    BigBear.ai (Annapolis Junction, MD)
    …optimized performance and security + Support patching, upgrading, and migrating of Linux systems and VMs. + Support agile activities for systems including release ... degree and 10+ years of SA experience + Proficient with Linux . Minimum of 3 years Linux system administration experience (within the last 3 years). + Knowledge… more
    BigBear.ai (12/30/25)
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  • Senior Network Engineer with Poly

    BigBear.ai (Annapolis Junction, MD)
    …the last 3 years) + Cisco routers, switches, and firewalls. + Proficient with Linux and Windows. Linux and/or Windows system administration experience is a plus. ... What we'd like you to have + Experience with patching and upgrading Linux servers and networking resources. + Ansible/Salt scripts + AWS/VMs About BigBear.ai… more
    BigBear.ai (12/30/25)
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  • Software Integration Engineer Level 4

    General Dynamics Information Technology (Annapolis Junction, MD)
    …and reliability under various conditions. What you will need Experience with the Linux CLI, and Linux tools Recent experience using Bash/Python to develop ... scripts to automate testing of HPC systems Recent Linux administration experience in an HPC multi-host/multi-instance environment Experience troubleshooting hardware… more
    General Dynamics Information Technology (12/29/25)
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  • Software Engineer Level 2

    General Dynamics Information Technology (Annapolis Junction, MD)
    …Required:** None **Job Family:** Software Engineering **Skills:** Containerization,Docker (Software), Linux **Experience:** 5 + years of related experience **US ... builds and deployments. What you will need Experience using the Linux CLI and Linux tools Proficient using Bash/Python to develop scripts to automate… more
    General Dynamics Information Technology (12/29/25)
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  • Fidelis Administrator - Active TS/SCI with CI Poly

    ENS Solutions (College Park, MD)
    …configure and manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system design and evaluation, ... appliance via SSH or Console Port + Experience operating and maintaining Linux servers, including operating systems and applications, patching, and other updates +… more
    ENS Solutions (12/27/25)
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  • Systems Administrator

    CACI International (Linthicum, MD)
    …and availability of customer systems. We are looking for a dedicated Linux System Administrator to help us ensure information security readiness and maintain ... _Required:_ + **TS/SCI with Polygraph** + Stand up, configure, and maintain Linux servers. + Apply fixes, patches and upgrades in a timely fashion.… more
    CACI International (12/27/25)
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  • ACAS Engineer - Active Top Secret Clearance…

    ENS Solutions (College Park, MD)
    …flow analysis, packet capture analysis, network proxies, firewalls, anti-virus capabilities, Linux or UNIX command line, and access control lists. Requirements + ... Assured Compliance Assessment Solution (ACAS) + Experience with Windows and Linux , including installing, configuring, or maintaining servers operating systems and… more
    ENS Solutions (12/27/25)
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  • Systems Engineer - Backup and Storage

    System One (Rockville, MD)
    …Commvault or Veeam. + Environment is approximately 90% Windows / 10% Linux ( Linux experience not required). + Responsibilities include managing ... environments bAzure virtual machines. + Administer and maintain a Windows (and limited Linux ) 24x7x365 production environment - AD, DHCP, DNS, SNMP, NTP, DFS, CIFS,… more
    System One (12/26/25)
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