• 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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  • 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 / 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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  • 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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  • Network Administrator

    Leonardo DRS, Inc. (Arlington, VA)
    …major role in identifying potential vulnerabilities and intrusions on Information Technology ( IT ) systems by our adversaries. Together, we'll address evolving ... **Job Summary** As a cleared SIPR Network and System Administrator and a member of the Corporate Risk Management...phases of installation, configuration, server administration, and maintenance of IT and business systems * Strong verbal,… more
    Leonardo DRS, Inc. (11/05/25)
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  • Senior Database Administrator (IBM Db2)…

    COMSO, Inc (Baltimore, MD)
    …their mission with confidence and efficiency. Our staff brings knowledgeable IT systems expertise, software development proficiency, innovative learning ... Senior Database Administrator (IBM Db2) - ON-SITE Baltimore, MD (http://maps.google.com/maps?q=Baltimore+MD+USA+21201)...by helpdesk personnel and lead troubleshooting efforts. Work with systems engineering staff within client and central IT more
    COMSO, Inc (12/18/25)
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  • Jira Administrator II (TS)

    Koniag Government Services (Washington, DC)
    …the Government client to ensure the effective development, implementation, and management of numerous IT Systems in support of Defense missions. Join us and play ... Eagle Harbor Solutions, a Koniag Government Services company, is hiring a Jira Administrator II. Position requires an active Top Secret/SCI Clearance with ability to… more
    Koniag Government Services (11/12/25)
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  • GIS Enterprise Administrator

    Guidehouse (Washington, DC)
    …Secret (TS) **What You Will Do** **:** Guidehouse is seeking a GIS Enterprise Administrator to join our AI and Data Defense and Security team. The individual will ... manage, design, and implement enterprise GIS systems in support of organizational and mission goals, and...**:** + Master's degree + One or more industry-standard IT certifications (such as Esri, CompTIA, Microsoft, Amazon) +… more
    Guidehouse (11/25/25)
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  • Information Technology Support Specialist

    US Courts (Washington, DC)
    …comprehensive user support and training to judicial officers and court staff on IT systems , including video conferencing platforms for remote proceedings. Manage ... User Support and Service Delivery: Monitor and support day-to-day operations of IT equipment, cloud services, and hybrid infrastructure systems . Provide… more
    US Courts (12/18/25)
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  • Voice Over Internet Protocol Technician

    ManTech (Annapolis Junction, MD)
    …but are not limited to:** + Provides broad telephony support from administrator level configurations to in-depth technical solutions for critical clients over secure ... requirements. + Provides administration to voicemail servers, call managers, and emergency responders involving T1, fiber, Ethernet, multiplexing, copper wrap, and… more
    ManTech (11/29/25)
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  • Security Control Assessor/Technical Evaluator

    Guidehouse (Arlington, VA)
    …professional with experience assessing and advising on controls of information systems for federal organizations. Personnel assigned to this role will support ... client with a critical and high-profile mission across over 200 information systems . Your duties will span common/core control tasks including assessments of… more
    Guidehouse (01/09/26)
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  • Lead System Security Engineer

    Guidehouse (Bethesda, MD)
    …IR table-top tests and CP functional tests. + 3+ years of experience as IT system administrator or engineer. Experience can include: + System maintenance in ... response tests, and other compliance tasks. **3. Privacy** + Ensure all CIT systems comply with policies. + Focus on minimizing risks to PII/PHI/Sensitive data,… more
    Guidehouse (11/19/25)
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