• Tier II Systems Administrator (OneZero…

    NANA Regional Corporation (Portsmouth, NH)
    …T2 Systems Administrator **Location:** Portsmouth, NH On Site **Clearance:** ACTIVE SECRET We are an equal opportunity employer and comply with all applicable ... LDRM is looking for a Tier II Systems Administrator to work in Portsmouth, NH. To join...provide technical support to a large, primarily Microsoft multi-server network environment including provisioning, domain services, Office 365 and… more
    NANA Regional Corporation (11/27/25)
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  • Linux Systems Administrator 1/2

    Northrop Grumman (Redondo Beach, CA)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our employees have ... they are making history. Northrop Grumman Enterprise Services is seeking a **Linux Systems Administrator .** This role can be performed by a level 1 or level 2 (entry… more
    Northrop Grumman (11/21/25)
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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 ... of degree) + 8-11 years of extensive experience in system administration + Secret security clearance, or US citizen with ability to pass T-1 background investigation… more
    CACI International (11/08/25)
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  • Training Simulator System Administrator

    Lockheed Martin (Orlando, FL)
    …deployment to a foreign country as a Training System Simulator System Administrator for the F\-35\. The successful candidate will support the sustainment, ... customer requirements\. Candidate must be able to obtain and maintain a Secret level security clearance and Special Access Program \(SAP\) access\. Additional duties… more
    Lockheed Martin (10/29/25)
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  • Systems Administrator

    KBR (Honolulu County, HI)
    …Training and Experimentation Capability Team, Joint Mission Environment Test Capability (JMETC) Secret Network (JSN) Node, JMETC Multiple Independent Levels of ... Title: Systems Administrator Belong. Connect. Grow. with KBR! KBR's National...Security Network (JMN) Node, Secret Defense Research and...Security Network (JMN) Node, Secret Defense Research and Engineering Network (SDREN),… more
    KBR (12/04/25)
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  • System Administrator

    Koniag Government Services (Washington, DC)
    …Technology Solutions, LLC,** a Koniag Government Services company, is seeking a System Administrator with a Secret Clearance to support **ATS** and Department of ... to:** + At least 4-8 years managing and administering complex and mixed network environments + Demonstrated experience and abilities administering network , Web… more
    Koniag Government Services (11/12/25)
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  • System Administrator

    Chenega Corporation (Fort Belvoir, VA)
    System Administrator Ft. Belvoir, VA Join our Talent Network Systems Administrator Ft. Belvoir, VA C-CHR-24-036 TheSystem Administratorwill resolve issues ... with hardware, operating systems, desktop applications, telephones, and network -attached printers. Duties and Responsibilities: + Install new software releases and… more
    Chenega Corporation (12/01/25)
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  • Senior Linux System Administrator

    ManTech (Laurel, MD)
    ManTech seeks a motivated, career and customer-oriented **Linux** **System Administrator ** to join our team in **Laurel, MD.** You will be part of a dedicated team ... Installs/loads operating system software, troubleshoots maintains integrity and configures network components along with implementing operating systems enhancements to… more
    ManTech (12/11/25)
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  • IT Infrastructure and Engineering Support…

    CACI International (Sterling, VA)
    IT Infrastructure and Engineering Support Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret ... Opportunity:** CACI has an immediate opening for an Infrastructure/Systems Administrator , supporting a development and test environment, utilizing various operating… more
    CACI International (11/29/25)
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  • VMware ESXI Administrator

    Trace Systems Inc (Portsmouth, VA)
    Job Overview Job Title: VMware ESXI Administrator Location: Portsmouth, VA Job Responsibilities Trace Systems is seeking a VMware ESXI Administrator to support ... the Norfolk Naval Shipyard CIO department (Code 109), and the associated network capabilities are currently supporting activities that directly contribute to Navy… more
    Trace Systems Inc (11/27/25)
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