• Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    …and resource utilization; perform system capacity analysis and planning. + Configure and manage Linux and Windows operating systems ; install and maintain OS ... ManTech is seeking a ** Senior Linux System Administrator** to join...Fourteen (14) years of related experience. + Experience with Linux operating systems . **Security Clearance Requirements:** +… more
    ManTech (07/15/25)
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  • Senior Systems Administrator…

    GovCIO (Annapolis, MD)
    **Overview** GovCIO is hiring for a Senior Systems Administrator ( Linux and Windows ) to provide on-going support for the administration of the core ... $105,000.00 /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6238/ senior - systems -administrator--%28linux- windows %29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID**… more
    GovCIO (07/18/25)
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  • Network & Computer Systems Administrator…

    SMX (Patuxent River, MD)
    …+ Support VMware systems hosting virtualized workstations and/or servers + Support Windows and/or Linux based systems + Support Windows ... Must be able to interact with peers, management, and senior engineers in a constantly evolving environment to ensure...years of related IT experience required + Experience with Windows and Linux based Operating Systems… more
    SMX (05/10/25)
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  • Cloud Network & Computer Systems…

    SMX (Patuxent River, MD)
    …+ Support VMware systems hosting virtualized workstations and/or servers + Support Windows and/or Linux based systems + Support Windows ... Must be able to interact with peers, management, and senior engineers in a constantly evolving environment to ensure...years of related IT experience required. + Experience with Windows and Linux based Operating Systems… more
    SMX (05/09/25)
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  • SR Cybersecurity Engineer

    UIC Government Services and the Bowhead Family of Companies (Aberdeen, MD)
    …experience preferred, in TCP/IP, Information Security/Authorization profiles, and security administration of Windows and Linux systems . + Have knowledge of ... **Overview** SR Cybersecurity Engineer: Bowhead is seeking a ...in Aberdeen, MD. The Cybersecurity Engineer will provide a system-of- systems approach to advancing and synchronizing security architecture associated… more
    UIC Government Services and the Bowhead Family of Companies (07/01/25)
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  • Senior Systems Administrator

    Leidos (Laurel, MD)
    …improvement and suggest solutions + **Technical Proficiency** : Demonstrated experience with Windows systems administration, Linux systems ... **Description** **Leidos** has a new and exciting opportunity for a ** Senior Systems Administrator** in our **National Security Sector's (NSS) Cyber & Analytics… more
    Leidos (06/03/25)
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  • 306 - Senior Systems Administrator

    ARSIEM (Laurel, MD)
    …to look for areas for process improvement and suggest solutions. Minimum Qualifications + Windows Systems Administration + Linux Systems Administration + ... impact on every client you work with. ARSIEM is looking for a Senior Systems Administrator to provide Systems Administration support for mission operations… more
    ARSIEM (06/06/25)
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  • Sr . Software Engineer-Automated Test…

    Leidos (Annapolis Junction, MD)
    …source control and configuration management tools. + Must have experience working in Windows and/or Linux operating systems and experience working in ... Qualifications:** + Experience working with integration test framework. + Basic Windows administration experience (ie Windows Registry Editor, Services, Task… more
    Leidos (05/08/25)
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  • Sr . Software Engineer TS/SCI Polygraph…

    Leidos (Annapolis Junction, MD)
    …structures, and/or experience working with XHTML, HTML, XML, XSLT + Experience developing on Windows , and/or Linux operating systems . + Experience with one ... **Description** Leidos has an exciting opportunity for a Senior Software Engineer to join a high performing agile team using the Scaled Agile Framework (SAFe)… more
    Leidos (07/18/25)
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  • Sr . Software Engineer TS/SCI Polygraph

    Leidos (Annapolis Junction, MD)
    …ASN.1 encoding, XML canonicalization, digital signatures). + Must have experience developing on Windows , and/or Linux operating systems . + Must have ... **Description** Leidos has an exciting opportunity for a Sr . Software Engineer! *Must have an active TS/SCI Polygraph up front. No exceptions.* You will perform… more
    Leidos (06/27/25)
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