• Systems Administrator

    William C Brown Inc (Springfield, VA)
    …maintain integrity and configure network components along with implementing operating systems enhancements to improve reliability and performance* Perform ... system management responsibilities involving account monitoring, security, Operating System (OS) installation, and other local...software installations and upgrades to Unix/Windows operating systems and layered software packages and… more
    William C Brown Inc (10/14/25)
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  • Mid System Administrator

    Parsons Corporation (Quantico, VA)
    …smooth operation of multi-user computer systems , including coordination with network engineers. + Monitors and manages system resources, including CPU ... usage, disk usage, and response times to maintain operating efficiency. + Performs systems security administration...Security+ CE (IAT Level II) - Baseline DoD IA certification for system administrators. + RHCSA -… more
    Parsons Corporation (11/15/25)
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  • Sr Principal Cybersecurity Analyst/ Network

    Northrop Grumman (Chantilly, VA)
    …COTS integration, and capacity analysis. + Experience with Linux and Windows operating systems + Previous experience contributing to building ATO packages ... and maintain network documentation including but not limited to Standard Operating Procedures and VISIO diagrams. **Senior Principal Cyber Systems Engineer… more
    Northrop Grumman (10/02/25)
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  • System Administrator

    ManTech (Virginia Beach, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Systems Administrator** to join our team in **Virginia Beach, VA.** This is an **onsite** position. As ... a Systems Administrator you will provide direct support to the...but are not limited to:** + Execute the full System Development Life Cycle (SDLC) from initial receipt of… more
    ManTech (12/06/25)
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  • TS/SCI Low Band System Software Support…

    Insight Global (Hampton, VA)
    …, servers, storage, and network connectivity. Additionally, this Systems Administrator will provide system administration for assigned infrastructure, ... establish and maintain system security, apply security patches, and perform operating system upgrades to ensure the security and integrity of the technical… more
    Insight Global (11/01/25)
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  • DevOps Cloud Engineer

    System One (Alexandria, VA)
    …Alexandria, VA or Gaithersburg, MD We are looking for an experienced DevOps Cloud Network Engineer to work on cloud-based systems with a mission operations team. ... The team is involved in operating and sustaining multiple operational cloud-deployed geospatial solutions. A...Network Engineer will take a leadership role in system changes and improvements; working directly with government and… more
    System One (09/27/25)
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  • System Engineer / IT Manager

    Serco (Herndon, VA)
    …Guides + Program management methods and Earned Value Management + LINUX operating system experience and CISCO Networking experience + Cloud applications: ... Herndon, VA Are you looking for an IT oriented System Architecture position that supports the Corporate Business Lines...the job description listed above. + Active Certified Information Systems Security Professional (CISSP) Certification or in… more
    Serco (12/12/25)
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  • Integration & Network Engineer

    Intrepid Solutions and Services (Ashburn, VA)
    …all components + Oversee the installation and configuration of IT and network systems connecting training environments + Collaborate with multi-disciplinary ... **Overview** We are seeking a Mid-Level Integration & Network Engineer to support the development of the...support the development of the Marine Air Defense Integrated System (MADIS) counter-UAS Virtual Trainer (MVT). This program, led… more
    Intrepid Solutions and Services (12/11/25)
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  • Systems Administrator II (Remote)

    NANA Regional Corporation (Norfolk, VA)
    …and maintains operating and systems software, manages systems configuration, monitors compliance with system standards, evaluates software and/or ... hardware, administers and maintains user accounts and profiles, and performs operating system troubleshooting. + Administers, develops, runs tests, implements,… more
    NANA Regional Corporation (10/31/25)
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  • Cyber Network Engineer

    General Dynamics Information Technology (Fairfax, VA)
    …Information Systems Security Professional (CISSP) | International Information System Security Certification Consortium (ISC2) - International Information ... System Security Certification Consortium (ISC2) **Experience:** 10 + years of related experience **US Citizenship Required:** Yes **Job Description:** **Cyber … more
    General Dynamics Information Technology (12/04/25)
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