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  • System Administrator

    $130k

     ...International seeks a System Administrator to support mission-critical national security systems within our Information Technology & Technical Support organization. In this role, you will manage and secure Windows and Linux servers, configure Active Directory, monitor performance... 
    Linux

    ManTech International

    Quantico, VA
    27 days ago

  • Linux Server Administrator

     ...motivated, career and customer-oriented LINUX SERVER ADMINISTRATOR to join our team in QUANTICO, VA . This position supports mission-critical Department of War (DoW)...  ...mission success by implementing DoD Security Technical Implementation Guides (STIGs), executing... 
    Linux
    For contractors
    Work at office

    MANTECH

    Quantico, VA
    6 hours ago

  • PKI Network Engineer

    $69.4k - $158k

     ...controller certificates. You'll provide hardware and software technical support to operate, troubleshoot, and scale three separate forests,...  ..., Axway, Online Certificate Status Protocol (OCSP), UNIX, or Linux operating systems and server hardwareAbility to travel 15% of... 
    Linux
    Full time
    Contract work
    Part time
    Work at office
    Local area
    Remote work

    Booz Allen Hamilton

    Quantico, VA
    1 day ago

  • Network Engineer

    $69.4k - $158k

     ...controller certificates. You'll provide hardware and software technical support to operate, troubleshoot, and scale three separate forests,...  ..., Axway, Online Certificate Status Protocol (OCSP), UNIX, or Linux operating systems and server hardware Ability to travel 15% of... 
    Linux
    Full time
    Contract work
    Part time
    Local area

    Phase2 Technology

    Quantico, VA
    1 day ago

  • System Administrator

     ...and close tickets Diagnose and resolve technical hardware and software issues by...  ...Active Directory environment Assist and support with account creations, resetting passwords...  ...procedures.  Active Directory, Group Policy, Linux OS, Networks, MS Exchange, MS Lync, SCCM,... 
    Linux
    Work at office

    MANTECH

    Quantico, VA
    6 hours ago

  • Senior Cyber Security Analyst

     ...fast-paced operational environment. You will provide hands-on technical support, incident response leadership, and advanced analytical...  ...Security+, SSCP, or CCNA-Security) ~ Experience with Windows and Linux operating systems ~ Working knowledge of current COTS Cybersecurity... 
    Linux
    Work at office

    MANTECH

    Springfield, VA
    6 hours ago

  • Solaris, Linux System Administrator

    $124.3k - $134.02k

     ...operations, and application development, DMI supports public sector agencies and commercial...  ...the OpportunityDMI is seeking a Solaris/LINUX System Administrator to join our team....  ...issues and provide team coordinationProvide technical and infrastructure support services for... 
    Linux
    Work experience placement
    Remote work

    DMI Mobile Enterprise Solutions

    Fort Belvoir, VA
    3 days ago

  • Linux Server Administrator

    $140k

    ManTech International seeks a Linux Server Administrator to support mission-critical systems for U.S. defense, intelligence, and federal agencies. You will install, configure, secure, and maintain Linux servers; monitor performance; troubleshoot complex issues; and implement... 
    Linux

    ManTech International

    Quantico, VA
    27 days ago

  • Systems Administrator

     ...an individual with IT Systems Engineering & Administrative experience with Windows and Linux environments. The selected candidate will be responsible for providing technical support for the operating systems and their successful integration with the hardware and applications... 
    Linux

    Point Solutions Group

    Springfield, VA
    2 days ago

  • Tier 2 Systems Administrator

    $86.6k - $181.8k

     ...serve as an escalation point for Tier 1 support and be responsible for maintaining and troubleshooting...  ....Responsibilities:• Provide advanced technical support for hardware, software, database,...  ...and maintain servers (Windows, Linux, Solaris), desktops and applications, printers... 
    Linux
    Contract work
    Work experience placement
    Flexible hours

    CACI International

    Springfield, VA
    6 days ago

  • System Administrator

     ...seeks an experienced System Administrator to support a DoD customer at Fort Belvoir, VA. The...  ...across multiple locations, with Windows and/or Linux environments. The ideal candidate will automate tasks, provide advanced technical support, and collaborate with network... 
    Linux

    Nationwide IT Services, Inc.

    Fort Belvoir, VA
    5 days ago

  • Staff I/Staff II Linux Network Engineer

    $100k - $140k

     ...seeking an experienced Staff I/Staff II Linux Network Engineer with 4+ years of hands-on...  ...and VxLAN environments. This role combines technical expertise in network architecture, switch...  ...projects, provide technical support for complex network issues, and contribute... 
    Linux
    Work experience placement
    Remote work
    Flexible hours

    VTG

    Manassas, VA
    2 days ago

  • Red Team Senior Close Access Network Capability/Wi-Fi Developer

     ...Access Network Capability/Wi-Fi Developer to support DCART through the advanced development,...  ...-based detection mechanismsProvide technical reach-back support to assessment teamsMentor...  ...Python, C / C++, GoExperience working within Linux-based development environmentsSpecial... 
    Linux
    For contractors

    Oak Grove Technologies

    Fort Belvoir, VA
    4 days ago

  • Cyber Software Engineer

     ...amenities, ongoing career development and support, rewards and recognition to honor your...  ...Cyber engineering expertise, in diverse technical assignments, from supporting technical reviews...  ...of running and managing containers on Linux distributions- Knowledge of microservice... 
    Linux
    Part time
    Interim role
    Work at office
    Remote work
    Flexible hours

    Lockheed Martin

    Manassas, VA
    4 days ago

  • Sr Software Developer

    $101.3k - $188.14k

     ...trust that this demands, and we’re proud to support the global economy. We’re unique too. We...  ...and determine effective solutions.Offer technical support and mentorship to junior team...  ..., Perl, OpenShift containerized systems, Linux, Bit-Bucket CI/CD pipelineProven technical... 
    Linux
    Overseas

    SWIFT

    Manassas, VA
    1 day ago

  • Infrastructure Systems Administrator

     ...modernization, and day-to-day operational support of a self-hosted ServiceNow platform...  ...environment. Works as part of a small, highly technical team supporting both the underlying...  ...Bedrock) Qualifications Experience with Linux server administration Experience with Amazon... 
    Linux

    Accenture-Federal-Services-2

    Springfield, VA
    2 days ago

  • Lead Technical Engineer/Architect

     ...NTT DATA Services currently seeks a Lead Technical Engineer/Architect to join our team in Newington...  ....Create architecture models that support client’s strategies and goals while reducing...  ...-oriented architecture.Experience with Linux VM’s, Windows VMs, .NET Framework, Java,... 
    Linux
    For contractors

    NTT DATA

    Newington, VA
    1 day ago

  • System Administrator

    $78k - $110k

     ...seeking an experienced System Administrator to support a Department of Defense customer at Fort...  ...experience administering Windows and/or Linux environments, maintaining secure...  ...administration tasks, and providing advanced technical support. This role works closely with network... 
    Linux

    Nationwide IT Services

    Fort Belvoir, VA
    2 days ago

  • System Administrator

     ...virtual machine provisioning. What you’ll do Support infrastructure initiatives by working...  ...and external vendors to resolve complex technical problems. Participate in the on‑call rotation...  ...virtual machines. Practical knowledge of Linux operating systems and Linux lifecycle... 
    Linux
    Local area
    Flexible hours

    Concept Plus

    Springfield, VA
    3 days ago

  • Network Architect

    $85k - $135k

     ...development, system integration, field installation, logistics support, training, multimedia, and technical support. Job Overview Performs network design,...  ...cable standards, and optical specs. Experience with Linux, SNMP, Python, and Bash. Knowledge of TCP/UDP packet... 
    Linux
    Full time
    For contractors
    Relocation package

    Gromelski & Associates, Inc.

    Manassas, VA
    1 day ago

  • Senior Service Desk Specialist

    $40k - $80k

     ...Posted 2026-07-24 Category Information Technology Subcategory Technical Support Schedule Full-Time Shift Day Job Travel Yes - 10% of the...  ...will bring expertise in Windows Server , Red Hat Enterprise Linux (RHEL) , virtualized environments, and user-facing support, alongside... 
    Linux
    Full time
    For subcontractor
    Work at office
    Local area
    Remote work
    Shift work

    SAIC

    Springfield, VA
    2 days ago

  • System Admin Linux

     ...vision is to bring adaptive innovation to support our nation's most important missions...  ...SYSTE003858 Job Title:  System Admin Linux Location: 27410 Hot Patch Road Quantico...  ...Information Systems Agency (DISA) Security Technical Implementation Guidelines (STIGs)... 
    Linux
    Full time
    For contractors
    Work at office
    Remote work
    1 day per week

    Agile Defense

    Quantico, VA
    1 day ago

  • Systems Administrator

    $80k - $120k

     ...skilledSenior Systems Administrator II – Desktop Support to join our MAJESTIC Joint Program Office...  ...Servers,Red Hat Enterprise Linux (RHEL), and Nutanix hyper-converged platform...  ...to systemic challenges Maintain detailed technical documentation, including system diagrams,... 
    Linux
    Full time
    For subcontractor
    Work at office
    Remote work
    Shift work

    SAIC

    Springfield, VA
    6 hours ago

  • Junior Systems Administrator

    $85k - $105k

     ...Systems Administrator provides day-to-day support, maintenance, and monitoring of...  ...infrastructure under the guidance of senior technical staff. This role assists with system administration...  ...maintenance, and support of Windows and Linux systems. Monitor system performance,... 
    Linux
    Full time
    Contract work
    Local area
    Shift work

    ValidaTek

    Quantico, VA
    6 hours ago

  • infrastructure Systems Administrator

    $138.6k - $170.1k

     ...modernization, and day-to-day operational support of a self-hosted ServiceNow platform...  ...environment. Works as part of a small, highly technical team supporting both the underlying...  ..., Zurich) Qualifications Experience with Linux server administration Experience with Amazon... 
    Linux
    Live in
    Work at office
    Local area

    Socket

    Springfield, VA
    19 hours ago

  • Systems Administrator

    $110k - $165k

     ...oversee the administration, maintenance, and optimization of enterprise IT infrastructure. This role involves managing both Windows and Linux servers, handling Active Directory and DNS, and collaborating with cross-functional teams. The ideal candidate should have at least... 
    Linux

    American Systems

    Manassas, VA
    1 day ago

  • System Administrator

     ...Mission Technologies, a division of HII, is seeking a senior Systems Administrator to secure and optimize Windows and Linux environments supporting critical enterprise and mission workloads. You will apply cross‑platform expertise to ensure systems are reliable, performant... 
    Linux

    Mission Technologies, a division of HII

    Springfield, VA
    1 day ago

  • Sr. Elastic Engineer

    $180k - $205k

     ...environments and eager to make an immediate technical impact? Join ECS, a leading provider of...  ...guidance on Elastic best practices, and support knowledge sharing across teams.Maintain documentation...  ...-scale Elastic environments.Strong Linux/Unix, networking, and cloud platform... 
    Linux
    Work at office
    Immediate start

    ECS Federal

    Quantico, VA
    3 days ago

  • Forescout Administrator

    $100k - $170k

     ...role will provide network administrator support and documentation to create a healthy security...  ...and inherited)).• Identify and provide technical subject matter expertise on remediation...  ...level of understanding of Operating Systems (Linux, Windows, Macintosh, and UNIX) is a plus•... 
    Linux
    Contract work
    For contractors
    Work at office
    Remote work

    ECS Federal

    Quantico, VA
    3 days ago

  • Sr. System Administrator

     ...SMS is seeking a Sr. System Administrator at Fort Belvoir, VA to support the DTRA I3TS Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers as well as the conceptualization... 
    Linux
    Remote work
    Monday to Friday
    Shift work
    Weekend work

    SMS Data Products Group

    Fort Belvoir, VA
    2 days ago