• Infinity Systems Engineering (Alexandria, VA)
    …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a ... secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms...configuration (Cisco experience is a plus) + Proficient in Linux and Windows system administration + Active… more
    DirectEmployers Association (09/30/25)
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  • Applied Research Associates, Inc. (Herndon, VA)
    **Description** ARA is looking for a Senior DevOps Engineer with strong expertise in OpenShift and you need to have a solid understanding of DevOps principles, ... container orchestration, and cloud-native application development. The Senior DevOps Engineer will be responsible for designing, implementing, maintaining… more
    DirectEmployers Association (09/11/25)
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  • Sr . System Administrator

    Nightwing (Sterling, VA)
    …to customer management and providing technical services to enable customer mission accomplishment. The Senior System Administrator ( Linux ) will serve as ... Linux administration, automation, and security hardening. The Senior System Administrator will ensure... (RHEL) systems . + Strong understanding of Linux networking, storage, system services, and security… more
    Nightwing (10/29/25)
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  • Senior Linux Administrator

    General Dynamics Information Technology (Falls Church, VA)
    …for IT Service Management (ITSM) model. **HOW A SENIOR LINUX ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for Linux ... (Bash, Ruby, Python, Perl, etc.) + General understanding of Linux internals ( system calls, file systems...as this position will require candidate to engage with senior military and government leadership. + Must be able… more
    General Dynamics Information Technology (08/09/25)
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  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Linux Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2110 ... Description:** CGI Federal has an exciting opportunity for a Linux Systems Administrator within our...System Installation and Configuration: Install, configure, and maintain Linux operating systems and applications on physical… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • Senior Linux Systems

    ManTech (Chantilly, VA)
    **MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA** This opportunity allows you to become ... analytics-helping to drive impactful solutions in support of critical government missions. As a ** Senior Linux Systems Administrator ,** you will help… more
    ManTech (08/30/25)
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  • Senior Linux System

    GovCIO (Washington, DC)
    …Submit a referral to this job (https://careers-govcio.icims.com/jobs/6348/ senior - linux - system - administrator ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with... Linux System Administration, Configuration, and System Security + Advanced systems troubleshooting skills… more
    GovCIO (08/08/25)
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  • Linux Systems Administrator

    CACI International (Reston, VA)
    Linux Systems Administrator Job Category: Information...critical DoD system ? Join our team as a Systems Administrator ! You will get to use your ... implement DevSecOps. We are looking for an experienced, resourceful ** Systems Administrator ** with the desire to be...system design, development, and production support of large applications/ systems . + Windows and Linux server … more
    CACI International (10/18/25)
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  • Senior Linux System

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior ... System Administrator is responsible for leading system administration activities. This position oversees the installation, configuration, maintenance, and… more
    Black Bear Technology Solutions, LLC (08/23/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    …clearance Job Description: The Systems Engineering team is seeking a driven Senior Systems Administrator that is highly technical and mission focused. ... candidate is ready to operate as aTIER 3 level Linux Administrator , experienced in managing large amounts...diagnosis and resolution - Implement, troubleshoot and maintain IT systems remotely - Document the management of system more
    Arena Technical Resources, LLC (10/14/25)
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  • TS/SCI DevSecOps Platform Engineer ( Senior

    Insight Global (Reston, VA)
    …certification - RHCE (Red Hat Certified Engineer) or RHCSA (Red Hat Certified System Administrator ) - Linux and Infrastructure Engineering certifications - ... Job Description Insight Global is looking to hire a Senior DevSecOps Engineer in the Reston, VA area. On...RKE2 environments - Implementing and maintaining STIG compliance across Linux systems and Kubernetes clusters - Ensuring… more
    Insight Global (10/11/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …5 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our ... Systems Administrator or similar role + Strong experience with Linux and Windows-based systems administration. + Knowledge of cloud platforms (AWS,… more
    General Dynamics Information Technology (09/16/25)
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  • Sr . System Administrator

    Arena Technical Resources, LLC (Reston, VA)
    Sr . System Administrator Location: Reston, VA, US Job ID: ATR 17710 Job Description Job Title: Sr . System Administrator Location: Reston, VA - ... SCIF Environment Eligibility: TS/SCI with CI Polygraph Job Description: The job duties of the Sr . System Administrator are as follows: * Plans, designs, and… more
    Arena Technical Resources, LLC (10/23/25)
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  • Sr . Systems Administrator

    Arena Technical Resources, LLC (Washington, DC)
    …(DBMS) products . Address all vulnerabilities identified via system scanning Systems Administrator Senior Advisor Requirements and Qualifications . ... Sr . Systems Administrator Location:.... Secret Clearance to start Required Technical Skills: . Senior Level system administrator skills… more
    Arena Technical Resources, LLC (10/25/25)
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  • Sr . Administrator (Maximo, Azure,…

    System One (Alexandria, VA)
    Sr . Administrator (Maximo, Azure, OpenShift) Location: Alexandria, VA CLEARANCE REQUIRED: Secret or higher Pay - $148,000/h Responsible for the design, ... methodologies, including Agile and DevSecOps, to deliver scalable and secure systems within an Azure environment. RESPONSIBILITIES: + Perform the implementation,… more
    System One (08/13/25)
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  • Cyberstar Department of the Interior Indian…

    Chenega Corporation (Washington, DC)
    …(https://chenegamios.catsone.com/careers/81049-Chenega-MIOS-Portal/jobs/16595234-Service-Center-Technician-II/) Service Center Technician III Linux System ... V (https://chenegamios.catsone.com/careers/81049-Chenega-MIOS-Portal/jobs/16594644-Application-Specialist-V/) Application Specialist VI System Administrator III… more
    Chenega Corporation (10/22/25)
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  • Senior Systems Administrator

    BAE Systems (Washington, DC)
    …BAE Systems is seeking a Senior ** Systems Administrator ** to join the Machine-assisted Analytic Rapid-repository System (MARS) Advanced Development ... and maintain the infrastructure that powers networks and operating systems such as UNIX, Linux , and Windows....be available based on position level and/or job specifics. ** Senior Systems Administrator ** **117757BR** EEO… more
    BAE Systems (10/29/25)
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  • Senior Cloud Systems

    BAE Systems (Sterling, VA)
    **Job Description** We are looking for a highly skilled Senior Cloud Systems Administrator to join our visible technical program driving the Model Based ... Other incentives may be available based on position level and/or job specifics. ** Senior Cloud Systems Administrator ** **115946BR** EEO Career Site Equal… more
    BAE Systems (09/09/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a ** Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . ... in information security system requirements and design applicable to Linux hosts + Manage Linux systems using Puppet or other config management tools;… more
    Leidos (10/28/25)
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  • Senior Systems Administrator

    V2X (Springfield, VA)
    …complex challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - active TS/SCI ... to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II supports...(CSWF) position as defined in Section 6, Table 3. System Administrator (451); Intermediate Level for SECNAV… more
    V2X (08/07/25)
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