• System Administrator ( Secret

    SMX (Patuxent River, MD)
    System Administrator ( Secret to Top Secret ) (4170)at SMX(View all jobs) (https://www.smxtech.com/careers/) Patuxent River, MD SMX is seeking a skilled ** ... System Administrator ** to work within a 24x7...24x7 team providing continual support and monitoring of computer systems by resolving or escalating problems that arise +… more
    SMX (12/04/25)
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  • Systems Administrator - Top…

    Cambridge International Systems Inc (Norfolk, VA)
    Systems Administrator - Top Secret Clearance | Norfolk, VA Cambridge International Systems , Inc. Join a dynamic global team united by shared values: ... in defense and security. We are currently seeking a Systems Administrator to support operations in Norfolk,...manage security tools like firewalls, antivirus, and intrusion detection systems . + System Configuration: Monitor and maintain… more
    Cambridge International Systems Inc (01/07/26)
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  • Mid-level WAN Network Administrator - DoD…

    Sumaria Systems, Inc. (Montgomery, AL)
    Mid-level WAN Network Administrator - DoD / Cisco / Secret Clearance Department: C5ISR Office: Maxwell AFB Gunter, AL Location: Montgomery, AL START YOUR ... APPLICATION (https://apply.hrmdirect.com/resumedirect/ApplyOnline/Apply.aspx?req\_id=3414904&source=3414904-CJB-0) Job Title: Network Administrator II (Wide Area Network) Job Description: Information Networks… more
    Sumaria Systems, Inc. (11/19/25)
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  • Secret Server Administrator - Active…

    ENS Solutions (Colorado Springs, CO)
    The Secret Server Administrator will perform a variety of functions supporting multiple Secret Server Deployments. Responsibilities include: tools deployment ... and configuration; supporting day-to-day operations; system health and status checks, identifying capacity, performance, reliability issues, and escalation for… more
    ENS Solutions (12/27/25)
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  • Secret Linux System

    Insight Global (Colorado Springs, CO)
    …Description A company in the Colorado Springs, CO areas is looking for a qualified Linux System Administrator with a Top Secret clearance to join their team ... supporting a DoD program. The System Administrator will work to maintain multi-user computer systems , including coordination with network administrators to… more
    Insight Global (01/07/26)
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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...YOU WILL MAKE AN IMPACT * Designs and defines system architecture for new or existing computer systems more
    General Dynamics Information Technology (01/10/26)
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  • Sr. Systems Administrator

    Lockheed Martin (King Of Prussia, PA)
    …that diminish human error while keeping the operator in the loop\. **The Work** As a Systems Administrator on the JES Program , you will: \-Work in an Kanban ... clearance . CompTIA Security\+ Certification . CompTIA Linux\+ or Red Hat Certified System Administrator Certification . Familiarity with system monitoring… more
    Lockheed Martin (10/29/25)
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  • Sr Principal Linux Systems

    Northrop Grumman (Boulder, CO)
    …include but not be limited to the following: + Perform as primary Linux Systems Administrator for a classified government contract. + Communicate effectively at ... in written and verbal format. + Maintain smooth operation of multi-user computer systems , including coordination with network, software, and system engineers, PC… more
    Northrop Grumman (01/07/26)
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  • Senior Network and Computer Systems

    NANA Regional Corporation (Orlando, FL)
    ASE is looking for a Senior Network and Computer Systems Administrator to work in support of Naval Air Warfare Center Training Systems Division (NAWCTSD) in ... network, operating systems , and physical and virtual servers. + Performs system monitoring and verify the integrity and availability of hardware, network, and… more
    NANA Regional Corporation (12/20/25)
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  • Linux Systems Administrator

    Lockheed Martin (Huntsville, AL)
    …program environments\. This IT professional will ensure that the Space IT systems are managed, controlled and compliant with the Security Technical Implementation ... Transformation \(EBDT\) organization\. **Basic Qualifications:** * This position requires a Secret Clearance to start, with the ability and willingness to obtain… more
    Lockheed Martin (11/20/25)
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  • System Administrator II…

    RedTrace Technologies Inc (Philadelphia, PA)
    …CLEARANCE REQUIREMENT: Secret POSITION REQUIRES US CITIZENSHIP Position Title: System Administrator II Location: Hybrid (Government site Philadelphia and ... Contractor site) Position Description: The System Administrator will provide Computer ...Electrical, Electronic or Computer Engineering, Computer Science, or Information Systems . Security Clearance: + Active Secret clearance… more
    RedTrace Technologies Inc (01/07/26)
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  • Sr Principal Cybersecurity Application…

    Northrop Grumman (Melbourne, FL)
    …Classified Solutions team is seeking experienced **Senior Cybersecurity Application Administrator /Architect** across the country to support information systems ... new systems , applications, and solutions for external customer's enterprise-wide cyber systems and networks. + Ensure system security needs are established… more
    Northrop Grumman (01/07/26)
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  • Systems Administrator / Top…

    Lockheed Martin (Arlington, VA)
    **Description:** You will be the Systems Administrator for the Advanced Concepts Lab \(ACL\) - a cutting edge team within Lockheed Martin's Advanced Technology ... scientific disciplines\. What You Will Be Doing: As the Systems Administrator you will be responsible for...mandates and mitigate residual risk\. *Perform day to day system health monitoring, troubleshooting, patch management, and anti virus… more
    Lockheed Martin (10/22/25)
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  • Cloud Administrator (Top- Secret

    Tetrad Digital Integrity LLC (Ashburn, VA)
    …threats and vulnerabilities in this digital age. We are looking for a Cloud Administrator to join our team in Ashburn, VA to support a large, Federal agency ... in protection of our various borders. A top- secret clearance with SCI eligibility will be required for...as provisioning, monitoring, troubleshooting, and optimizing cloud resources and systems . + Deep understanding and knowledge of various cloud… more
    Tetrad Digital Integrity LLC (11/09/25)
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  • Windows Systems Administrator - Top…

    Northrop Grumman (Redondo Beach, CA)
    …best work of your career. Northrop Grumman is seeking a well-qualified **Windows Systems Administrator ** to join its dynamic team of technical professionals in ... limited to the following: + Perform as primary Windows Systems Administrator for a large, classified government...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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  • Help Desk System Administrator - Top…

    Lockheed Martin (Schriever AFB, CO)
    …Will Be Doing** We are seeking a detail\-oriented and highly motivated Help Desk System Administrator to join our team in Colorado Springs\. This role focuses ... duties include configuring and managing Linux and Windows Operating systems to include implementing operating system enhancements...position requires a government security clearance at the Top Secret level; you must be a US Citizen for… more
    Lockheed Martin (12/11/25)
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  • Principal Contract Administrator (Top…

    Northrop Grumman (Elkton, MD)
    …support financial objectives. + Enter and manage data in the Contract Management System , financial and delivery systems . + Participate in customer meetings, ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our… more
    Northrop Grumman (11/05/25)
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  • Principal Linux Administrator (Top…

    RTX Corporation (Richardson, TX)
    …operating systems , and software. + Perform software upgrades, patching, and system maintenance on Linux systems . + Troubleshoot issues and apply security ... performing system maintenance, installations, upgrades, and backups on Linux systems . + Team-oriented with strong collaboration skills across multiple sites. +… more
    RTX Corporation (12/12/25)
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  • Senior Citrix Administrator w/…

    TekSynap (Radford, VA)
    …QUALIFICATIONS** **Experience** + Five (5) years of experience as a Windows Systems Administrator or Engineer, with specific expertise in Citrix technologies ... NetScaler Gateway, Citrix Storefront, and Citrix Director. + Execute system hardware and software implementations; maintain detailed technical instructions, SOPs,… more
    TekSynap (10/25/25)
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  • Linux/Windows Systems Administrator

    Lockheed Martin (King Of Prussia, PA)
    …the boundaries of technology to help our customers achieve their missions\. The Work: As a Systems Administrator on the ECIW team, you will: \- Work in an agile ... required within 6 months of start\) * CompTIA Linux\+ or Red Hat Certified Systems Administrator Certification * Ability to provide in\-depth monitoring, able to… more
    Lockheed Martin (12/11/25)
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