• System Engineer Level 2

    Jovian Concepts, Inc. (Annapolis, MD)
    …with RF and FORNSAT systems and various Systems Administration (SA) components, ensuring seamless virtualization, Linux environments, GOTS product ... \n <\/span><\/span>\n <\/div>\n \n ​<\/span><\/span> <\/span>\n <\/div> As a Senior Systems integration Engineer you will be responsible for designing, implementing,… more
    Jovian Concepts, Inc. (01/15/26)
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  • Network Engineer

    Lockheed Martin (Little Rock Air Force Base, AR)
    …and server platforms \(VMware vSphere/vCenter, Horizon VDI, Windows Server, Red Hat Linux \)\. * Perform day to day administration , patching, capacity planning, ... infrastructure that supports Aircrew Training Devices \(ATDs\) and Learning Management Systems \(LMS\)\. The ideal candidate brings deep expertise in network and… more
    Lockheed Martin (01/14/26)
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  • System Administrator

    Gromelski & Associates, Inc. (Manassas, VA)
    …Support._ **_System Administrator Job Description:_** + Performs tasks as Red Hat Linux Systems Engineer and Administrator, develops kernels and other advanced ... solutions for leading edge technology. + Provide system administration support for system and network design, development, and...Required Tasks:_** + Performs duties as System Administrator on systems using Linux , Windows, and other operating… more
    Gromelski & Associates, Inc. (12/17/25)
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  • System Administrator (SA) SME

    KBR (Colorado Springs, CO)
    …daily incremental backups of server hardware, software, and other resources. + Performs systems administration services to manage and secure mission systems ... to support new applications, re-engineered equipment, and new uses of WSOMS systems . + Assists in the creation, maintenance, administration , and troubleshooting… more
    KBR (12/12/25)
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  • HPC Workload/Job Scheduler Administrator

    Leidos (Stennis Space Center, MS)
    …+ and Security+. + Red Hat Enterprise Linux (RHEL), CentOS, or Linux variants operating systems (OS) + Experience providing industry and government ... will support the day to day operations, testing, deployment, administration /management, reporting, and analysis tools for examination of workload management/job… more
    Leidos (01/07/26)
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  • Cloud System Administrator

    ManTech (Hanover, MD)
    …start to obtain it + Proficiency in administering Linux operating systems . + Experience with Windows Server 2022 administration , including Active Directory ... users. **Responsibilities include, but are not limited to:** + Provide administration and support for Windows Server 2022 environments, including Active Directory,… more
    ManTech (12/24/25)
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  • Senior Cloud System Administrator

    ManTech (Annapolis Junction, MD)
    …your program start date. + Proficiency in administering Linux operating systems . + Experience with Windows Server 2022 administration , including Active ... and general support for Windows Server 2022 environments, Windows 10/11 client systems , and various Linux distributions (eg, Rocky,CentOS, RHEL) within both… more
    ManTech (12/24/25)
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  • Lead Application Reliability Engineer

    Citigroup (Irving, TX)
    …troubleshooting ** Linux Operating Systems ** **_(eg, Red Hat Enterprise Linux (RHEL), CentOS, Ubuntu)_** , including **System Administration Tasks** like ... support and maintenance of a robust technology stack including middleware, databases, Linux , and AWS EKS, all within a strictly regulated and change-controlled… more
    Citigroup (11/14/25)
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  • Software Platform Developer (Hybrid) (Puerto Rico)

    RTX Corporation (Santa Isabel, PR)
    …**_**This is a hybrid position in Puerto Rico**_** **What YOU will do:** + Provide IT systems administration for the eQube DaaS platform hosted on AWS Linux ... Linux + Experience with containers. + Operating System Proficiency: Experience with Linux and Windows operating systems in a traditional workload and… more
    RTX Corporation (10/24/25)
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  • Network Engineer-US Citizens Only- Active Top…

    The Metamorphosis Group (Reston, VA)
    … servers and virtual infrastructure. 22. Demonstrated hands on experience performing administration , troubleshooting, patching, and support of Linux servers and ... Support - * The Contractor Team shall assist with continuous monitoring of IT systems that are required to sustain Sponsor accreditation of these systems . *… more
    The Metamorphosis Group (12/03/25)
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