• System Administrator

    ManTech (Annapolis Junction, MD)
    **ManTech seeks a motivated, career and customer-oriented System Administrator II to join our team at our Annapolis Junction, MD location.** **Responsibilities ... consistent maintenance, configuration, and reliable operation of critical computer systems , network servers, and virtualization environments, upholding system more
    ManTech (09/05/25)
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  • Core Infrastructure Engineer- Linux

    Children's Mercy Kansas City (Kansas City, MO)
    …Abilities, or Experience: + Intermediate level knowledge and experience with systems engineering duties including Red Hat Enterprise Linux (RHEL), Cisco UCS, ... in the design, selection, and implementation of Core Infrastructure systems technologies:- By maintaining a high level ...lieu of a bachelor's degree. + Red Hat Certified System Administrator (RHCSA) Preferred + Nutanix Certified… more
    Children's Mercy Kansas City (10/16/25)
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  • Tier 2 Systems Administrator

    CACI International (Springfield, VA)
    Tier 2 Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... We are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT...be responsible for maintaining and troubleshooting mission critical IT systems , supporting end users, and ensuring the security and… more
    CACI International (11/05/25)
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  • Senior Principal Windows System

    RTX Corporation (El Segundo, CA)
    …and mentor + Oversee administrators whose duties may include setting up administrator and service accounts, maintaining system documentation, tuning system ... You Will Do:** + Share technical expertise and mentor a team of System Administrators to ensure the confidentiality, integrity, and availability of IT systems more
    RTX Corporation (10/24/25)
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  • System Administrator

    RTX Corporation (Mckinney, TX)
    …(OS). + Responsible for provisioning, installation/configuration, operation, and maintenance of systems hardware and software related to a Linux /Windows ... create a safer, more secure world. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux more
    RTX Corporation (11/13/25)
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  • Senior VMWare System Administrator

    Intrepid Solutions and Services (Annapolis Junction, MD)
    …operationalization and deployment of new and emerging technologies.We're seeking a **Senior Level System Administrator with specialized experience with ... **Overview** Darkblade Systems , a CIS Secure company, is a trusted... system deployment. + General Windows and some Linux system administration and sustainment experience, to… more
    Intrepid Solutions and Services (08/28/25)
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  • Principal Server Administrator

    BAE Systems (Washington, DC)
    …recognition awards. Other incentives may be available based on position level and/or job specifics. **Principal Server Administrator ** **117573BR** EEO ... that's Shaping the Future of IT Support** At BAE Systems , we're passionate about delivering innovative IT solutions that...customers to achieve their missions. As a **Principal Server Administrator ** , you'll play a critical role in providing… more
    BAE Systems (10/30/25)
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  • DreamWorks Technology - Systems

    NBC Universal (Glendale, CA)
    …be a part of this outstanding team, you should be an experienced system administrator with an expertise in troubleshooting, effective communication skills, and ... system administrators that thrive on providing the highest level of end-user support with a constant focus on...and SW problems + Building, installing, maintaining and troubleshooting Linux , OSX and Windows desktops and laptops + Work… more
    NBC Universal (11/06/25)
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  • Systems Administrator - Senior

    CACI International (O'Fallon, IL)
    Systems Administrator - Senior Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... Responsibilities: + Perform configuration, management, and maintenance of complex enterprise- level systems + Assist in developing and... assistance to users in accessing and utilizing business systems + Design and implement robust system more
    CACI International (11/08/25)
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  • Unix Administrator

    TekSynap (ID)
    … Professional Institute Linux Essentials + Microsoft Certified Azure Administrator Associates **Experience** + Seven (7) years systems administration ... DISA STIGs, patching, and auditing. + Experience designing and architecting enterprise level solutions across both Windows and Linux environments. + Proficiency… more
    TekSynap (11/15/25)
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