• Linux /Windows Systems

    COMSO, Inc (Columbia, MD)
    Linux /Windows Systems Administrator II (TS/SCI w/ Polygraph) Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time ... CWIP: IAT Level II Certification, IA Baseline Certification in Linux , Unix, Windows, or Cisco OS operating system...Service, TIBCO, Active MQ, Artemis, Kafka) Description: + The System Administrator is responsible for the provisioning,… more
    COMSO, Inc (11/27/25)
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  • Principal Linux Systems

    Northrop Grumman (Linthicum Heights, MD)
    …to purchase hardware, software, and system components. + Perform as a Linux systems administrator for a classified government network and manage ... career. Northrop Grumman Classified Solutions is seeking a well-qualified Linux Systems Administrator to join...storage area network (SAN), and network attached storage (NAS) systems . + Strong Linux Operating System more
    Northrop Grumman (01/06/26)
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  • Senior Linux System

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    …Secret or Secret Clearance Locations: Adelphi, MD ( Onsite ) Position Overview: The Senior Linux System Administrator is responsible for leading system ... Senior Linux System Administrator Clearance...standards. + Install, configure, and maintain software and operating systems . + Implement operating system enhancements for… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • SAP Ns2 Hana Database Administrator -TS/SCI…

    SAP (Columbia, MD)
    …a team that wants you to grow and succeed. **SAP NS2 HANA Database Administrator ** NS2 COMPANY DESCRIPTION SAP is the global market leader for business software and ... We are seeking a highly skilled and detail-oriented **Mid-Level SAP HANA Database Administrator ** to join our dynamic IT team. The ideal candidate will have… more
    SAP (10/22/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    Systems Administrator or similar role + Strong experience with Linux and Windows-based systems administration. + Knowledge of cloud platforms (AWS, ... + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to join our team, bringing… more
    General Dynamics Information Technology (01/05/26)
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  • Sr. System Administrator II (Temp)

    RTX Corporation (Annapolis Junction, MD)
    …a safer, more secure world. Raytheon currently has an opening for a temporary System Administrator to perform onsite in our Annapolis Junction, Maryland ... will also be required. We're looking for an experienced Systems Administrator to join our team supporting...deleting user accounts and groups as well as integrating Linux systems into an Active Directory environment… more
    RTX Corporation (11/19/25)
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  • Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    Systems Administrator The Opportunity: In this role, you'll design, operate, and evolve the systems that power national-security missions. From enterprise ... Windows and Linux servers to virtualization, storage, and backup environments, you'll...Hybrid Administrator Associate, or Red Hat Certified System Administrator (RHCSA) Certification Clearance: Applicants selected… more
    BOOZ, ALLEN & HAMILTON, INC. (12/23/25)
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  • System and Network Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Annapolis Junction, MD)
    System and Network Administrator The Opportunity: A well-designed network is critical to move data and enable organizations to achieve their missions, but how ... world can't wait. You Have: + 10+ years of experience with network or system administration + Experience with Linux , including maintaining RHEL, Rocky or Ubuntu… more
    BOOZ, ALLEN & HAMILTON, INC. (12/22/25)
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  • Senior Systems Administrator

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Senior Systems Administrator with an active TS/SCI with Poly clearance to join and assist and meet mission needs for our ... and security + Support patching, upgrading, and migrating of Linux systems and VMs. + Support agile...Proficient with Linux . Minimum of 3 years Linux system administration experience (within the last… more
    BigBear.ai (12/30/25)
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  • Modernization Cyber Systems

    Lockheed Martin (Hanover, MD)
    Linux distributions such as RHEL, CentOS, Ubuntu, and Debian\. Knowledge of Linux systems processes, file systems , networking and offline repository ... and manage UNIX and Windows \(or other applicable\) operating systems and installs/loads operating system software, troubleshoot,...* Knowledge of configuring and managing both Windows and Linux DHCP and DNS servers and clients * Proficient… more
    Lockheed Martin (01/08/26)
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  • Network/ Systems Administrator 4

    GovCIO (Washington, DC)
    …configuring, troubleshooting, and optimizing systems . Ability to manage Windows and Linux OSs and conduct system updates, patches, and user permissions, as ... **Overview** GovCIO is currently hiring for a Systems Administrator to design, implement, and...will be located in DC and will be an onsite position. This position is contingent upon award. **Responsibilities**… more
    GovCIO (12/10/25)
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  • Server Administrator

    Koniag Government Services (Washington, DC)
    Koniag IT Systems LLC, a Koniag Government Services company, is seeking a Server Administrator to support KITS and our government customer in Washington, DC. ... This is a hybrid opportunity, requires 3days onsite and 2days remote. We offer competitive compensation and...self-motivated individual to perform the duties of a Server Administrator to support a federal client located in Washington,… more
    Koniag Government Services (10/15/25)
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  • SAP Ns2 Hana DBA-TS/CSI poly required-MD-…

    SAP (Columbia, MD)
    …tools like HANA Studio, HANA Cockpit, or SAP Solution Manager. * Knowledge of Linux operating systems and shell scripting. * Understanding of cloud-based HANA ... to grow and succeed. **SAP NS2 Sr. HANA DBA-TS/SCI poly- Onsite MD** NS2 COMPANY DESCRIPTION SAP is the global...seeking a highly skilled and experienced Senior HANA Database Administrator to join our team. In this role, you… more
    SAP (11/01/25)
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  • Systems Engineer, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Meade, MD)
    …considerable direction, and mentor and supervise team members. You'll support Windows and Linux systems engineering efforts in system design and evaluation, ... technical expertise in support of cyberspace operations? As a Systems Administrator , you'll have the chance to...solution engineering, sof tware development, or system administration. You'll use your passion to learn new… more
    BOOZ, ALLEN & HAMILTON, INC. (01/06/26)
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  • Lead System Security Engineer

    Guidehouse (Bethesda, MD)
    …IR table-top tests and CP functional tests. + 3+ years of experience as IT system administrator or engineer. Experience can include: + System maintenance in ... other compliance tasks. **3. Privacy** + Ensure all CIT systems comply with policies. + Focus on minimizing risks...maintain the SA&A lifecycle workflow, integrating security into the system development lifecycle per NIST SP 800-37. + Guide… more
    Guidehouse (11/19/25)
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  • System Security Engineer

    Guidehouse (Bethesda, MD)
    …Symantec DLP, Sentinel, CloudWatch, Security Center). + 1+ years of experience as IT system administrator or engineer. Experience can include: + System ... other compliance tasks. **3. Privacy** + Ensure all CIT systems comply with policies. + Focus on minimizing risks...maintain the SA&A lifecycle workflow, integrating security into the system development lifecycle per NIST SP 800-37. + Guide… more
    Guidehouse (11/19/25)
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  • Modernization Accelerator: 2025 Hiring Alert…

    Lockheed Martin (Hanover, MD)
    …* Test Engineers * Network Engineers * User Experience Designer * Data Science * Systems Administrator \( Linux \) For a complete list that changes weekly, use ... from an accredited college or university, plus twenty \(20\) years of systems engineering experience\. Required Skills/Experience: * Manage system requirements… more
    Lockheed Martin (01/08/26)
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  • Systems Engineer

    Koniag Government Services (Washington, DC)
    …non-virtualized environments. + Configure, implement, and upgrade new and existing computer systems and server platforms. + Perform system analysis, including ... server virtualization technologies (eg, VMware, Hyper-V, Nutanix). + Proficiency with operating systems such as Microsoft Windows Server and Linux distributions.… more
    Koniag Government Services (01/10/26)
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  • Cyber Software Engineer - SIGINT Systems

    Lockheed Martin (Hanover, MD)
    …* Test Engineers * Network Engineers * User Experience Designer * Data Science * Systems Administrator \( Linux \) For a complete list that changes weekly, use ... providing new features and enhancements to Front End Solutions systems \. This will allow for products to work at\-scale... engineering * Cyber researchers \(Capabilities Analyst, etc\) * System Security \(ISSO / ISSE / ISSM\) * Technical… more
    Lockheed Martin (01/08/26)
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  • Monitoring Lead- Application Hosting

    SAIC (Washington, DC)
    …collaboration across multiple teams and infrastructure components + Systems administrator experience managing Windows and/or Linux operating systems ... of the DOT SMS and supporting the Service Management System operations, to include engineers and the SMS development...include engineers and the SMS development life cycle. **Full-time onsite at DOT HQ, Washington DC** This role is… more
    SAIC (10/17/25)
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