• IT Systems Administrator

    Lockheed Martin (Hanover, MD)
    …is required * 2\+ years experience within the defense industry as a Systems Administrator * Bachelors or Masters degree from accredited college \(equivalent ... happen to Good People, agreed? Come join our 24/7/365 Emergency Essential team\. Exciting work where you can gain...as but not exclusive to examples like NiFi\) * Systems infrastructure knowledge of routers, firewalls, v\-lans, servers, etc\.… more
    Lockheed Martin (01/08/26)
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  • IT Systems Administrator

    EMCOR Group (Dulles, VA)
    …well as many government agencies. **Job Summary** **Essential Duties and Responsibilities:** ** IT Systems Administrator Requirements:** The System ... 3 level" + Responsible for capacity, storage planning, and database performance ** Systems Administrator Qualifications:** + Relevant degree or diploma in… more
    EMCOR Group (12/31/25)
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  • Systems Administrator

    William C Brown Inc (Springfield, VA)
    Systems Administrator EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without ... protected by law. Description WCBinc is looking for a Systems Administrator to join our team to...functions.* Provide support for implementation, troubleshooting and maintenance of IT systems and management of system infrastructure… more
    William C Brown Inc (10/14/25)
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  • Linux/Windows Systems Administrator

    COMSO, Inc (Columbia, MD)
    Linux/Windows Systems Administrator II (TS/SCI w/ Polygraph) Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time Description ... their mission with confidence and efficiency. Our staff brings knowledgeable IT systems expertise, software development proficiency, innovative learning… more
    COMSO, Inc (11/27/25)
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  • Systems Administrator

    Aston Carter (Dulles, VA)
    …database performance. Required Skills + 5 to 10 years of experience as a systems administrator + Meraki Networking and M365 knowledge required. + Customer ... Job Title: System Administrator Job Description The role requires visiting worksites...systems . Responsibilities + Configure and maintain the networked IT infrastructure, including hardware, system software, and applications. +… more
    Aston Carter (01/09/26)
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  • Systems Administrator / Information…

    Guidehouse (Arlington, VA)
    …**Clearance Required** **:** Active Secret **What You Will Do** **:** We are seeking a Systems Administrator / Information Systems Engineer in support of the ... technical expertise shall include extensive knowledge of information technology systems and how to incorporate and maintain them on...communication skills to serve as a liaison between vendors, IT teams, contractors, and the IA community to ensure… more
    Guidehouse (01/08/26)
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  • Cisco Call Manager Administrator

    CACI International (Chantilly, VA)
    Cisco Call Manager Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... * **The Opportunity:** CACI is looking for a Cisco Call Manager Administrator is responsible for the day-to-day administration, configuration, and maintenance of the… more
    CACI International (12/27/25)
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  • System Administrator -Linux

    Leidos (Annapolis Junction, MD)
    …scans, completing remediation, and extending IAVA patches and security updates on various IT and network systems . + Providing technical assistance to companion ... **Description** **System Administrator - Linux** **Leidos** has a new and...groups in support of overlapping projects such as implementing IT enhancements and optimizing systems . + Maintaining… more
    Leidos (01/06/26)
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  • Senior Tier III Administrator

    General Dynamics Information Technology (Fort Meade, MD)
    …Required:** Yes **Job Description:** **GDIT is seeking a Senior Tier III Administrator to provide support to Defense Information Systems Agency (DISA) ... to Obtain:** Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Cloud Computing,Problem Resolution,Standard Operating… more
    General Dynamics Information Technology (12/11/25)
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  • Mid-Level Tier III Administrator

    General Dynamics Information Technology (Fort Meade, MD)
    …Required:** Yes **Job Description:** **GDIT is seeking a Mid-Level Tier III Administrator to provide support to Defense Information Systems Agency (DISA) ... to Obtain:** Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Business,Cloud Computing,Operations,Operations Processes,Technical Issues… more
    General Dynamics Information Technology (12/11/25)
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