• Computer System Administrator

    Northrop Grumman (Annapolis Junction, MD)
    …secure environment + Must have experience with either Windows (desktop and server), Linux (Red Hat or HPC), VMWare, Storage Systems (SAN, NAS, DAS) or CISCO ... be limited to the following: + Perform as primary Systems or Network Administrator for a classified...verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system… more
    Northrop Grumman (08/13/25)
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  • Principal System Administrator…

    RTX Corporation (Springfield, VA)
    …and provide access to tools and resources that enable this **Principal** ** System Administrator - Network Operations Center** employee to continuously improve ... program in a classified environment as a Network Operations Center (NOC) System Administrator . + This position is responsible formonitoring the Infrastructure… more
    RTX Corporation (09/07/25)
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  • Modernization Cyber Systems…

    Lockheed Martin (Hanover, MD)
    …and manage UNIX and Windows \(or other applicable\) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of ... repository management * Knowledge of configuring and managing both Windows and Linux DHCP and DNS servers...such as RHEL, CentOS, Ubuntu, and Debian\. Knowledge of Linux systems processes, file systems ,… more
    Lockheed Martin (07/12/25)
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  • SkillBridge System Administrator…

    RTX Corporation (Anaheim, CA)
    …assigned. + Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment. + Support infrastructure such as ... Aerospace is looking to host a transitioning veteran as Systems Administrator Fellow and be mentored by...clearance **Qualifications We Prefer:** + Experience with RedHat Enterprise Linux + Experience with Cisco IOS + Experience with… more
    RTX Corporation (08/08/25)
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  • System Administrator

    ManTech (Annapolis Junction, MD)
    …ensuring compliance with required security standards for IT personnel. + Proficiency in Linux or Windows operating systems , indicating hands-on experience ... **ManTech seeks a motivated, career and customer-oriented System Administrator II to join our team at our Annapolis Junction, MD location.** **Responsibilities… more
    ManTech (09/05/25)
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  • Systems Administrator

    SMX (Patuxent River, MD)
    Systems Administrator (4563)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a skilled System Administrator to ... to grave system administration for endpoints and servers + Operating systems and application patching and updates + Vulnerability scanning and mitigation + Apply… more
    SMX (10/03/25)
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  • Systems Administrator

    Insight Global (San Diego, CA)
    …a Systems Administrator in a secure environment - Experience with Windows Server 2016, 2019, Linux Servers, and Ubuntu Servers - Experience configuring ... A client in San Diego is looking for a Systems Administrator /Network Engineer to manage their existing...802.11, QoS, SSH), VPNs and Firewalls - Experience supporting Windows Active Directory, Azure Active Directory, and O365 -… more
    Insight Global (10/02/25)
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  • Senior System Administrator (MSO)

    General Dynamics Information Technology (Livermore, CA)
    …DoD 8570 Compliant Certifications are required **Desired Qualifications** + Experience with Linux and Windows system administration and networking background ... years of related experience **US Citizenship Required:** Yes **Job Description:** ** Systems Administrator /Mission Support Operator -** **$10K Sign-on bonus**… more
    General Dynamics Information Technology (09/20/25)
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  • System Administrator

    Insight Global (Las Vegas, NV)
    …improvement, including system tuning and hardware integration Maintain and support Windows and Linux virtual server environment (150 servers within it) ... Job Description Insight Global is looking for a System Administrator II to join one...Requirements 3+ years of experience in a role supporting Linux environments 3+ years hands-on experience in supporting Citrix… more
    Insight Global (09/09/25)
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  • IT Infrastructure Administrator I, II,…

    Southwest Power Pool (Little Rock, AR)
    …Associate + Microsoft Certified: Azure Administrator Associate + Red Hat Certified System Engineer + Red Hat Enterprise Linux Automation with Ansible + ... be considered during the hiring process. Senior IT Infrastructure Administrator Pay Range: $95,200.00 - $123,700.00 IT Infrastructure ...Our team is responsible for building and managing all Windows and Linux servers that support SPP's… more
    Southwest Power Pool (08/29/25)
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