• Applied Research Associates, Inc. (Herndon, VA)
    …**Senior DevOps Engineer Preferred Qualifications:** + An active TS/SCI with CI Poly security clearance + OpenShift Certified Administrator (OCA) or Kubernetes ... clusters + **Documentation** : Maintain thorough documentation of infrastructure, systems , and processes **Offer is contingent upon contract award.** **Senior… more
    DirectEmployers Association (09/11/25)
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  • Infinity Systems Engineering (Alexandria, VA)
    …- now, come be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a ... secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms...configuration (Cisco experience is a plus) + Proficient in Linux and Windows system administration + Active… more
    DirectEmployers Association (09/30/25)
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  • Linux System Administrator

    Parsons Corporation (Centreville, VA)
    …Unleash your talent and redefine what's possible. **Job Description:** Our Special Programs and Systems team is hiring Linux System Administrators with a ... operational success of deployed systems . This role includes system design, configuration, and debugging of Linux systems . Note: this is a full time… more
    Parsons Corporation (08/23/25)
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  • Linux Systems Administrator

    Parsons Corporation (Centreville, VA)
    …your talent and redefine what's possible. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator . The candidate will support both ... systems maintenance. Responsibilities also include software and hardware system installations, and troubleshooting of user reported issues. The candidate will… more
    Parsons Corporation (10/18/25)
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  • Linux Administrator - TS/SCI w/…

    V2X (Chantilly, VA)
    …integrating, and maintaining new and upgraded versions of the relevant operating systems + Building and hardening Linux servers, and establishing configuration ... server hardware components where necessary + Designing interfaces to external systems + Troubleshooting operating system problems, and collaborating with… more
    V2X (11/08/25)
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  • Linux Sys Admin - TS/SCI CI Poly

    Insight Global (Springfield, VA)
    …Counter-Intelligence Polygraph (CI Poly ) * Security+ DoD 8570 certification or higher. * System administration across Linux systems . * Ability to work in ... Job Description Seeking a Systems Administrator to join a high-performing...its national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based… more
    Insight Global (11/15/25)
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  • Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Reston, VA)
    …configure and manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system design and ... administration. Requirements + 3+ years of experience as a system administrator + Experience with installing or...SSH or Console Port + Experience operating and maintaining Linux servers, including operating systems and applications,… more
    ENS Solutions (09/27/25)
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  • Database Administrator - active TS/SCI w/…

    V2X (Chantilly, VA)
    …design, and related Oracle technologies (Partitioning, Encryption, Pluggable Database, etc.) on Linux systems + Significant Oracle Exadata and PL/SQL developer ... of data from multiple sources + Conducting performance tuning and forecasting system scalability + Recommending appropriate procedure, query, or package changes and… more
    V2X (11/08/25)
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  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    ** Linux Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia, Arlington **Position ID:** J0925-2110 ... Description:** CGI Federal has an exciting opportunity for a Linux Systems Administrator within our...System Installation and Configuration: Install, configure, and maintain Linux operating systems and applications on physical… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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  • System Support-US Citizens Only - TS/SCI FS…

    The Metamorphosis Group (Chantilly, VA)
    …officer with security-controlled systems . + Demonstrated experience as an Oracle LINUX Systems Administrator . + Demonstrated experience in Oracle EXADATA ... System Support-US CITIZENS ONLY - TS/SCI FS POLY REQUIRED Chantilly, VA . Government/Military Apply Now ...administration. + Demonstrated experience with LINUX systems engineering and administration. + Demonstrated… more
    The Metamorphosis Group (11/08/25)
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  • Senior System Administrator

    RTX Corporation (Springfield, VA)
    …eligible for a security clearance. + Security+ DoD 8570 certification or higher. + System administration across Linux systems . + Experience in the ... create a safer, more secure world. Raytheon seeks a Systems Administrator to join a high-performing team...its national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based… more
    RTX Corporation (11/15/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …Polygraph required The Systems Engineering team is seeking a driven Senior Linux /UNIX Systems Administrator that is highly technical and mission focused. ... SUCCEED Basic Qualifications: - Ten (10) years' experience as aLinux/UNIX Systems Administrator supporting complex, multi-site enterprise-scale environments -… more
    Arena Technical Resources, LLC (10/25/25)
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  • Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …the ability to obtain a TS/SCI with Poly highly desired * Operating Systems : Strong knowledge of Windows, Linux , or other relevant operating systems . ... ** Systems Administrator ** **Category:** Infrastructure/Cloud **Main location:**...TS/SCI with Poly highly desired * Operating Systems : Strong knowledge of Windows, Linux , or… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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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...Provide support for implementation, troubleshooting and maintenance of IT systems and management of system infrastructure and… more
    William C Brown Inc (10/14/25)
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  • Software Engineer/ Systems

    Cinteot (Springfield, VA)
    Software Engineer / Systems Administrator (location: Springfield, VA) The selected individual will be responsible to support the Framework Services / Platform ... Systems Administration on Windows based platforms + Windows Server Operating Systems experience + Red Hat Linux Administration experience Education: Bachelor… more
    Cinteot (11/06/25)
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  • HW Infrastructure Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …the ability to obtain a TS/SCI with Poly highly desired * Operating Systems : Proficiency in managing Windows and Linux environments. * Hardware: Knowledge of ... **HW Infrastructure Administrator ** **Category:** Testing/Quality Assurance **Main location:** United States,...TS/SCI with Poly highly desired * Operating Systems : Proficiency in managing Windows and Linux more
    CGI Technologies and Solutions, Inc. (09/30/25)
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  • System Administrator

    Nightwing (Sterling, VA)
    …community, defense, civil, and commercial markets. Job Title: System Administrator Location: Sterling, VA Clearance: TS/SCI Poly **This position is ... CONTINGENT upon contract award** The System Administrator (SysA) as part of the...customers in a timely manner. Required Skills: + Operating Systems : Extensive knowledge of Windows and Linux more
    Nightwing (09/26/25)
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  • Tier 2 Systems Administrator

    CACI International (Springfield, VA)
    Tier 2 Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... We are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT...be responsible for maintaining and troubleshooting mission critical IT systems , supporting end users, and ensuring the security and… more
    CACI International (11/05/25)
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  • SAP NS2 Senior Cloud Engineer/ Systems

    SAP (Herndon, VA)
    …variety of benefit options for you to choose from. **SAP NS2 Senior Cloud Engineer/ Systems Administrator - Onsite - Chantilly, VA** **Active TS SCI with ... Must be a US Citizen with active TS/SC with Poly ; NS2 does not offer Visa sponsorships for this...have manager's approval to transfer. The NS2 Senior Cloud Engineer/ Systems Administrator candidate will be responsible for… more
    SAP (10/21/25)
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  • Infrastructure Engineer/ Administrator

    CACI International (Mclean, VA)
    …Type of Travel: None * * * **The Opportunity:** CACI is seeking a highly motivated Linux System Engineer and Administrator with hands on experience with the ... demonstrated experience with multiple cloud platforms, automation technologies, and with Linux system administration. The successful candidate will ensure the… more
    CACI International (09/26/25)
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