• 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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  • System Administrator - Linux

    The Metamorphosis Group (Chantilly, VA)
    System Administrator - LINUX - TS /SCI FSP REQUIRED Chantilly, VA Apply Now Job Description The Metamorphosis Group, Inc, TMG, has an immediate opening ... for a Linux System Administrator , who shall... monitoring. MUST BE US CITIZEN MUST HAVE ACTIVE TS /SCI with FSP US Veterans Preferred **ABSOLUTELY NO THRID… more
    The Metamorphosis Group (09/10/25)
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  • Senior Systems Administrator (Unix/…

    TekSynap (Dahlgren, VA)
    …Qualifications** TheTekSynap is seeking a **S** **enior S** **ystem** ** Administrator (Unix/ Linux ).** The Senior Systems Administrator (Unix/ Linux ) ... Minimum of six (6) years of professional experience in Unix and/or Linux system administration of networks and software systems , including system backup… more
    TekSynap (10/31/25)
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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 ... the NGA mission. In this role, we're seeking a ** Linux Administrator - ACAS** who could potentially...vendor updates are received **You'll Bring These Qualifications** + Top Secret /SCI clearance (current), with the ability… more
    CACI International (08/11/25)
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  • Senior Linux Systems

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** SENIOR LINUX SYSTEMS ADMINISTRATOR : Bowhead...to obtain and maintain a security clearance at the Top Secret level. US Citizenship is a ... seeks a Senior Linux Systems Administrator to join our team in Dahlgren, VA. The Senior Linux Administrator is responsible for system more
    UIC Government Services and the Bowhead Family of Companies (10/25/25)
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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 ... server and networking equipment rack installations **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for… more
    Parsons Corporation (10/18/25)
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  • Senior Linux Systems

    ManTech (Chantilly, VA)
    **MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA** This opportunity allows you to become ... in support of critical government missions. As a **Senior Linux Systems Administrator ,** you will...replacing server hardware components where necessary + Managing operating system lifecycles and designing interfaces to external systems more
    ManTech (08/30/25)
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  • Linux /UNIX Systems

    General Dynamics Information Technology (Springfield, VA)
    …safe and tomorrow is smarter. Our work depends on a TS /SCI cleared Linux /UNIX Systems Administrator joining our team to support our intelligence customer ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...Deliver innovative, simple solutions to complex problems as a Linux /UNIX Systems Administrator at GDIT.… more
    General Dynamics Information Technology (10/11/25)
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  • Senior Linux /Unix Systems

    SMX (Dahlgren, VA)
    Senior Linux /Unix Systems Administrator (4419)at...be able to obtain and maintain Top Secret + 6+ years' experience administering Linux /Unix ... Center Dahlgren Division (NSWCDD) in Dahlgren, VA. The Senior Systems Administrator will work as part of...Secret clearance with ability to obtain and maintain Top Secret clearance + Networking protocols +… more
    SMX (10/18/25)
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  • Windows Linux Systems

    General Dynamics Information Technology (Fort Belvoir, VA)
    …applications (eg, Outlook, Excel, Word, Java, Internet Explorer) + Linux system administration + Familiarity with ticketing systems such as ServiceNow or ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other...both Windows and Linux environments on physical systems and virtual desktops (EVDI). + Troubleshoot system more
    General Dynamics Information Technology (10/14/25)
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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 ... includes system design, configuration, and debugging of Linux systems . Note: this is a full...Citizen + Must possess and maintain Top Secret SCI clearance with polygraph + Linux more
    Parsons Corporation (08/23/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    …Job Description: The Systems Engineering team is seeking a driven Senior Systems Administrator that is highly technical and mission focused. This ideal ... candidate is ready to operate as aTIER 3 level Linux Administrator , experienced in managing large amounts...diagnosis and resolution - Implement, troubleshoot and maintain IT systems remotely - Document the management of system more
    Arena Technical Resources, LLC (10/14/25)
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  • Splunk Systems Administrator

    Parsons Corporation (Fort Belvoir, VA)
    …redefine what's possible. **Job Description:** Parsons is looking for an amazingly talented ** Systems Administrator ** to join our team! This is an excellent ... opportunity for an Systems Administrator with hands-on Splunk administration experience...security incident response analysts **Security Clearance Requirement:** An active Top Secret SCI security clearance is required… more
    Parsons Corporation (09/25/25)
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  • Senior Systems Administrator II…

    V2X (Springfield, VA)
    …respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - active TS /SCI clearance to support our government ... required to be onsite. The position requires an active Top Secret /SCI clearance and the ability to...obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II supports the information technology… more
    V2X (11/04/25)
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  • System Support-US Citizens Only - TS

    The Metamorphosis Group (Chantilly, VA)
    System Support-US CITIZENS ONLY - TS /SCI... systems . + Demonstrated experience as an Oracle LINUX Systems Administrator . + Demonstrated ... experience in Oracle EXADATA administration. + Demonstrated experience with LINUX systems engineering and administration. + Demonstrated experience with Windows … more
    The Metamorphosis Group (08/09/25)
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  • Systems Administrator - TS

    General Dynamics Information Technology (Chantilly, VA)
    …RQ206369 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... Yes **Job Description:** Transform technology into opportunity as a Systems Administrator with GDIT. A career in...experience with web services. + **Security Clearance Level** : Top Secret /SCI with Polygraph + **Preferred Skills:**… more
    General Dynamics Information Technology (09/17/25)
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  • IT Engineer - Microsoft Enterprise Systems

    General Dynamics Information Technology (Fort Belvoir, VA)
    …RQ203477 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... **IT Engineer** with strong experience in both **Microsoft Enterprise Systems and Linux administration** to provide **Tier...**DNS** , **DHCP** , and **DFS** . + Perform ** Linux system administration** (RHEL, CentOS, Ubuntu), including… more
    General Dynamics Information Technology (10/14/25)
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  • NCIS Cyber Systems Administrator

    General Dynamics Information Technology (Quantico, VA)
    …**Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret /SCI **Public Trust/Other Required:** None **Job Family:** IT ... **Job Description:** Transform technology into opportunity as a **Cyber Systems Administrator - SecOps** with GDIT. A...NEED TO SUCCEED (Required):** + **Security Clearance Level:** Active Top Secret clearance with SCI eligibility. +… more
    General Dynamics Information Technology (08/28/25)
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  • Security Control Assessor (SCA) ( TS /SCI)

    Tau Six (Chantilly, VA)
    …networking, and cybersecurity tools, techniques, and tactics. Clearance Required: US Government Top Secret / SCI Responsibilities: The Security Control Assessor ... + Experience with assessing security relevant applications. + Experience as a System Administrator , Information System Security Manager, or Information… more
    Tau Six (10/22/25)
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  • OCONUS Field Engineer - TS /SCI Polygraph…

    Leidos (Chantilly, VA)
    …team environment. The ideal candidate will have prior experience as either a systems engineer or systems administrator . Prior OCONUS experience and ... candidates for consideration, must possess an active and in-scope TS /SCI Polygraph.** **Basic Qualifications:** + Bachelor's degree and 8+...tool as well as maintaining the tool itself + Linux system administration to include ability to… more
    Leidos (08/08/25)
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