• Sr . Linux/ Windows Systems

    Lockheed Martin (King Of Prussia, PA)
    …administration, including installing, patching, troubleshooting and hardening Linux and Windows operating systems \(both bare\-metal and virtual machines\) ... 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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  • NSIPS Sr Systems Administrator…

    General Dynamics Information Technology (New Orleans, LA)
    …3 + years of related experience **US Citizenship Required:** Yes **Job Description:** Systems Administrator, Senior - **Identity Management Systems ** Deliver ... simple solutions to complex problems as a Systems Administrator Sr at GDIT. Here, you'll...not limited to: data center operations, server hardware, operating systems ( Windows ), web servers, VDI virtual desktop… more
    General Dynamics Information Technology (01/10/26)
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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)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees have ... incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...Digital Office (CIDO) organization is seeking a highly experienced ** Senior Linux Server Admin** to join its dynamic team… more
    Northrop Grumman (01/07/26)
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  • IT Systems Engineer, Sr / Top…

    Lockheed Martin (King Of Prussia, PA)
    …Valley Forge, Pennsylvania\. Deep expertise in technical leadership, Linux server, Windows server, Storage and network administration are essential elements in ... This IT professional will ensure that the Space IT systems are managed, controlled and compliant with the Security...work at this facility \(No dual citizenship\)\. \- Top Secret level security clearance required\. \- Ability to move,… more
    Lockheed Martin (11/07/25)
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  • Sr . Systems Administrator…

    Lockheed Martin (King Of Prussia, PA)
    …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 ... is required . Extensive familiarity with system administration for Linux \(RHEL\) and Windows operating systems . Proven ability to install, secure \(harden\),… more
    Lockheed Martin (10/29/25)
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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 ... of 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 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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  • Sr Windows Administrator

    RTX Corporation (El Segundo, CA)
    …create a safer, more secure world. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows environment. + Working as a ... US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our… more
    RTX Corporation (12/24/25)
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  • Senior Windows Administrator w/…

    TekSynap (Radford, VA)
    …and troubleshooting. **REQUIRED QUALIFICATIONS** **Experience** + Five (5) years as a Windows Systems Administrator or Engineer, including 3 years of task ... & Qualifications** **RESPONSIBILITIES** + Manage, maintain, deploy, troubleshoot, and support Windows Server 2019/2022 systems in a dynamic customer environment.… more
    TekSynap (10/25/25)
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  • Information Systems Analyst, Stf…

    Lockheed Martin (Littleton, CO)
    … environments, including Active Directory and Group Policy * Experience with Windows /Linux administration or NetApp storage systems * Experience applying DISA ... Enterprise Operations' Enterprise Business & Digital Transformation \(EBDT\) organization** Windows System Administrator Windows System Administrator Job… more
    Lockheed Martin (12/04/25)
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  • Cyber Systems Security Engineer Sr .

    Gromelski & Associates, Inc. (Manassas, VA)
    **Cyber Systems Security Engineer Sr .** Location **Manassas, VA (Relocation Assistance Available)** Job Category **Engineering** ID **686** **_Cyber Systems ... Training Development and Delivery, Multimedia Support, and Technical System Support._ **_Cyber Systems Security Engineer Sr . Job Description:_** As a Cyber … more
    Gromelski & Associates, Inc. (12/05/25)
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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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  • 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 ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees… more
    Northrop Grumman (12/12/25)
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  • Sr . Cyber Systems Engineer (Active…

    Northrop Grumman (Tampa, FL)
    …to do some of the best work of your career. We are seeking cleared, ** Senior level** **Cyber Systems Engineers** to work on-site at our **Tampa, FL** location. ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (01/01/26)
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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 ... Sr . Systems Administrator Location: Washington, DC,...Secret Clearance to start Required Technical Skills: . Senior Level system administrator skills required . Current and… more
    Arena Technical Resources, LLC (10/25/25)
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  • Sr Principal Engineer Systems

    Northrop Grumman (Melbourne, FL)
    …program funding. Start dates are determined after funding confirmation** Northrop Grumman Aeronautics Systems Sector has an opening for a ** Sr Principal Engineer ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At...the company. + Must have advanced level knowledge of Windows and Linux Operating Systems . + Must… more
    Northrop Grumman (12/18/25)
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  • Sr . Principal Cyber Systems

    Northrop Grumman (Redondo Beach, CA)
    …only part of history, they're making history. Northrop Grumman has an opening for ** Sr . Principal Cyber Systems Engineer** to join the Special Test Equipment ... IOS) + Experienced in the implementation of CMMC/DFARS/RMF/DOD Security Controls on Linux and Windows operating systems (ie Windows SHB and RHEL SSG builds)… more
    Northrop Grumman (11/26/25)
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  • Cloud Information Systems Security Engineer…

    CGI Technologies and Solutions, Inc. (Washington, DC)
    …required. CGI Federal is currently looking for a Senior -Level Cloud Information Systems Security Engineer with active Top Secret clearance to support a large ... **Cloud Information Systems Security Engineer (ISSE) - Sr **...(RMF). * Proficiency in cybersecurity principles and Unix/Linux and Windows operating systems . Desired Qualifications * Cloud… more
    CGI Technologies and Solutions, Inc. (12/24/25)
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