• 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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  • Mid-Level Linux Administrator

    BAE Systems (Annapolis Junction, MD)
    …scans, completing remediation, and extending IAVA patches and security updates on various IT and network systems . + Providing technical assistance to companion ... groups in support of overlapping projects such as implementing IT enhancements and optimizing systems . + Maintaining...a team. + Must be able to respond to emergency system administration, operations, and maintenance problems, on a… more
    BAE Systems (01/08/26)
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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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  • 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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  • Linux Administrator - ACAS

    CACI International (Springfield, VA)
    Linux Administrator - ACAS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of ... contract. The functional capabilities are to provide the information technology ( IT ) infrastructure services required to deliver timely, relevant, and accurate… more
    CACI International (11/10/25)
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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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  • 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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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …Able to Obtain:** Secret **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Critical Systems ,Enterprise ... **US Citizenship Required:** Yes **Job Description:** **HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT:** + Provide system administration support for… more
    General Dynamics Information Technology (10/25/25)
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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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  • C2 Technician Level III

    General Dynamics Information Technology (Sterling, VA)
    …and coordination is highly desired. + Graduate of a DoW Command-and-Control systems administrator course is preferred. **Skills and Competencies:** + ... expertise in the operations, maintenance, and integration of advanced command-and-control systems , communication networks, and emergency notification systems more
    General Dynamics Information Technology (11/04/25)
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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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