• Sr . Linux/ Windows Systems

    Lockheed Martin (King Of Prussia, PA)
    …installing, patching, troubleshooting and hardening Linux and Windows operating systems \(both bare\-metal and virtual machines\) * System Administration ... networking topographies, Virtualization Technologies * Must currently have an active Top Secret Clearance **Desired Skills:** * Windows and Linux OS… more
    Lockheed Martin (11/14/25)
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  • Secret Cleared Windows and Linux…

    Insight Global (Pearl City, HI)
    …Skills and Requirements Active Secret Clearance 3+ Years of Experience with Windows System 2+ years of experience with Linux Servers Experience Running and ... system administration for physical and virtual servers . Windows server system administration for physical and...Linux . LPIC-2 Advanced Level Linux Professional . LPIC-3 Senior Level Linux Professional . RHCE Red Hat Certified… more
    Insight Global (01/06/26)
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  • Information Systems Analyst, Stf…

    Lockheed Martin (Littleton, CO)
    …with the Enterprise Operations' Enterprise Business & Digital Transformation \(EBDT\) organization** Windows System Administrator Windows System ... \(EO\) is seeking a highly skilled and experienced Full\-Time Windows System Administrator to support the Space...including Active Directory and Group Policy * Experience with Windows /Linux administration or NetApp storage systems *… more
    Lockheed Martin (12/04/25)
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  • Senior Windows Systems

    Adapt Forward (North Charleston, SC)
    Systems Administrator IV, Senior Windows Systems Administrator North Charleston, SC Secret Clearance with upgrade to Top Secret As a Windows ... within enterprise-class environment + Provide support for emergent Windows operating system issues + Competent and...issues + Competent and adaptable in all areas of Windows systems administration + Other Duties as… more
    Adapt Forward (12/17/25)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI ... to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall support the...hands-on experience providing O&M support of enterprise server operating systems (OSs) ( Windows Server, Red Hat Enterprise… more
    V2X (11/15/25)
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  • Sr . Windows Administrator

    CGI Technologies and Solutions, Inc. (Radford, VA)
    …**Your future duties and responsibilities:** This position is for a Senior Systems Administrator supporting the ALTESS Windows team. This is currently a ... ** Sr . Windows Administrator** **Category:** Infrastructure/Cloud **Main...Clearance. e) Five or more years' experience as a Windows Systems Administrator or Engineer with three… more
    CGI Technologies and Solutions, Inc. (01/07/26)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …in written and verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system engineers, PC ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description**...requirements for solutions to problems by means of automated systems . + Recommend and implement system enhancements… more
    Northrop Grumman (01/07/26)
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  • Sr Windows Systems

    Watershed Security (Pensacola, FL)
    …looking for qualified candidates to join our team in Pensacola, FL as a Senior Windows Systems Administrator with demonstrated experience conducting VMWare ... system outage or surge support + Active DoD Secret clearance or higher + Must possess current IAT...+ Must have 8 or more years of progressive Windows and VMWare administration experience in an enterprise-scale environment… more
    Watershed Security (01/07/26)
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  • Sr . Systems Administrator…

    Lockheed Martin (King Of Prussia, PA)
    …. An Active Final secret clearance is required . Extensive familiarity with system administration for Linux \(RHEL\) and Windows operating systems . ... and problem resolution for all of the client/server/storage/network devices \-Patch and harden Windows and Linux \(Red Hat\) and networking systems with Security… more
    Lockheed Martin (10/29/25)
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  • Sr Citrix/ Windows Engineer

    General Dynamics Information Technology (Chantilly, VA)
    …What you need: Experience: 8-10 years of hands-on experience as a Windows Systems Administrator/Engineer. Proven expertise managing Windows Workstations ... 9 + years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Citrix/ Windows Engineer We are seeking a skilled Senior more
    General Dynamics Information Technology (12/29/25)
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  • IT Systems Engineer, Sr / Top…

    Lockheed Martin (King Of Prussia, PA)
    …Microsoft's Windows Server \(i\.e\. 2016, 2019, or 2022\) operating system functions, security policies and technical security safeguards \- Experience with ... Valley Forge, Pennsylvania\. Deep expertise in technical leadership, Linux server, Windows server, Storage and network administration are essential elements in… more
    Lockheed Martin (11/07/25)
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  • Sr Windows Administrator

    RTX Corporation (El Segundo, CA)
    …+ CompTIA Security+ certification or other industry-recognized certifications relevant to a Windows System Administrator or ability to acquire within six months ... world. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows ...and other tasks as assigned. + Monitor trouble ticket system , troubleshoot and resolve issues. + Systems more
    RTX Corporation (12/24/25)
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  • Sr Principal Network Architect…

    Northrop Grumman (Melbourne, FL)
    …production + Evaluates the overall network for scalability across the entire program/lab systems + Evaluates the system and provides recommendations for network ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees… more
    Northrop Grumman (01/07/26)
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  • Sr . Systems Administrator

    Arena Technical Resources, LLC (Washington, DC)
    Sr . Systems Administrator Job Location: Washington, DC (Hybrid) Clearance: Secret Job Description: . Manage and maintain Windows and Linux servers in ... (DBMS) products . Address all vulnerabilities identified via system scanning Systems Administrator Senior ...Secret Clearance to start Required Technical Skills: . Senior Level system administrator skills required .… more
    Arena Technical Resources, LLC (10/25/25)
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  • Cyber Systems Security Engineer Sr .

    Gromelski & Associates, Inc. (Manassas, VA)
    …Development and Delivery, Multimedia Support, and Technical System Support._ **_Cyber Systems Security Engineer Sr . Job Description:_** As a Cyber Systems ... **Cyber Systems Security Engineer Sr .** Location **Manassas,...include Engineering Design and Documentation; Software Development and Testing; System Integration, Testing and Evaluation; Lab Management and Field… more
    Gromelski & Associates, Inc. (12/05/25)
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  • Principal / Sr . Principal Systems

    Northrop Grumman (Patuxent River, MD)
    …Northrop Grumman Aeronautics Systems has an opening for a **Principal / Sr . Principal Systems Engineer​** to join our team of qualified, diverse individuals ... system deficiencies requiring team interaction with network, software, system engineers, systems administrators, and aircrew personnel....months of hire date + Must have experience with Windows and Linux Operating Systems + Must… more
    Northrop Grumman (10/30/25)
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  • Sr . Principal Electrical Engineer IV…

    Northrop Grumman (Chandler, AZ)
    …+ CompTIA Security+ or similar certifications. + Usage and troubleshooting of networks, Windows systems , and RHEL or other Linux distributions. + Experience with ... Engineer IV - Electrical Ground Support Equipment (EGSE) Northrop Grumman Space Systems is currently seeking an experienced Sr . Principal Electrical Engineer… more
    Northrop Grumman (01/07/26)
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  • Principal/ Sr . Principal Systems

    Northrop Grumman (Patuxent River, MD)
    …Aeronautics Systems (NGAS) has an exciting career opportunity for a **Principal/ Sr . Principal Systems Administrator** to join the Ground Segment team of ... integration, sustainment, and ground/flight test support. + Perform as a Windows \VMware System Administrator for a classified government contract. + Perform… more
    Northrop Grumman (12/12/25)
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  • System Engineer Field Support Sr

    Lockheed Martin (Las Vegas, NV)
    **Description:** System Engineer Field Support Senior \- Level 3 This exciting position is with our historic Skunk Works program\. Skunk Works is an integral ... a thorough knowledge of network based communications systems , routers, virtual systems , relational databases, Windows Server 2003, 2008, and 2012, Windows more
    Lockheed Martin (01/06/26)
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  • Sr . Systems Engineer

    UIC Government Services and the Bowhead Family of Companies (San Antonio, TX)
    **Overview** SR . SYSTEMS ENGINEER (BAMCIT): Bowhead seeks a Sr . Systems Engineer to support the Geographic Service Providers (GSP) Brooke Army Medical ... for the PEO MS/J-6 through contractor staff augmentation. The Sr . Systems Engineer is tasked with improving...enterprise level design and deployment of technologies such as Windows Server Operating Systems (2016,2019, 2022), Storage… more
    UIC Government Services and the Bowhead Family of Companies (01/07/26)
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