• Infinity Systems Engineering (Alexandria, VA)
    …of experience in network engineering, administration, or related IT roles. + Clearance: TS / SCI CI Poly + Required Skills: + Experience with network security, ... 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 broad scope of… more
    DirectEmployers Association (09/30/25)
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  • Network Management Systems (NMS) Linux

    CACI International (Sterling, VA)
    Network Management Systems (NMS) Linux Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph ... * **The Opportunity** : We are seeking an experienced Linux Engineer to join our team with...experience + 10+ years of related work experience + TS / SCI with Poly required + Experience with… more
    CACI International (07/26/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Springfield, VA)
    Linux Engineer Location: Springfield, VA, US Job ID: ATR 17707 Job Description Job Title: Linux Engineer Location: Springfield, VA Eligibility: Candidate ... candidate is ready to operate as aTIER 3 level Linux Administrator, experienced in managing large amounts of data...documentation - 8570 Compliance withSecurity+or equivalent certification - Active TS / SCI Clearance - Ability to respond to… more
    Arena Technical Resources, LLC (10/14/25)
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  • Linux Systems Engineer

    William C Brown Inc (Springfield, VA)
    …or any other characteristic protected by law. Description Our work depends on a TS / SCI cleared Linux Systems Engineer joining our team to support our ... Linux Systems Engineer EOE Statement We...work/military experience QUALIFICATIONS: 5+ years of related experience CLEARANCE:Active TS / SCI Clearance and eligibility to… more
    William C Brown Inc (09/25/25)
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  • Linux System Engineer

    CACI International (Laurel, MD)
    Linux System Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee ... of Travel: None * * * **The Opportunity:** We are seeking a skilled Linux System Engineer to join our dynamic team in Laurel, Maryland. The ideal candidate will… more
    CACI International (09/05/25)
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  • Field Engineer / Linux Systems…

    Huntington Ingalls Industries (Columbia, MD)
    …the interview process. Job Description Enlighten is looking for a Field Engineer / Linux Systems Administrator to support operational systems at multiple military ... Enlighten, honored as a Top Workplace from USA Today, is a leader...desired, but not required. Can consider up to a TS / SCI with a Polygraph. We have many… more
    Huntington Ingalls Industries (08/08/25)
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  • LINUX Sr Principal Systems Engineer

    General Dynamics Information Technology (Washington, DC)
    …RQ202477 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret / SCI **Public Trust/Other Required:** None **Job Family:** IT ... II Certification within 6 months of assignment. + **Security Clearance Level:** Active Top Secret + **Required Skills and Abilities** : Highly motivated,… more
    General Dynamics Information Technology (09/23/25)
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  • Senior Platform Engineer / Linux

    RTX Corporation (Dulles, VA)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with Polygraph At Raytheon, the foundation of everything we do ... world. Raytheon Technologies (RTX) is seeking a **Senior Platform Engineer ** with well-rounded Linux Infrastructure Engineering expertise...(eg creating and managing users and groups) + Current TS / SCI / CI Poly issued security clearance… more
    RTX Corporation (10/09/25)
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  • Linux Engineer ( TS

    General Dynamics Information Technology (Mclean, VA)
    …ID:** RQ208194 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... **Job Family:** IT Infrastructure and Operations **Skills:** Automation,Leadership, Linux System Administration,Scripting,Security Clearances **Experience:** 8 + years of… more
    General Dynamics Information Technology (10/03/25)
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  • Linux Systems Engineer - Active…

    ENS Solutions (Springfield, VA)
    …+ Bachelor's Degree and 6+ years of relevant experience. + Must have an Active TS / SCI ; willingness to obtain and maintain a CI Poly. Benefits Essential Network ... Security (ENS) Solutions, LLC is a service-disabled veteran owned, highly regarded IT consulting and management firm. ENS consults for the Department of Defense (DoD) and Intelligence Community (IC) providing innovative solutions in the core competency area of… more
    ENS Solutions (08/15/25)
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  • Linux Systems Engineer

    SAIC (Arlington, VA)
    …dark web. Clearance/Citizenship Requirements: + US Citizenship with an active Top Secret Clearance with ability to obtain SCI (Active and/or PR within last ... **Description** Seeking a Senior Systems/Network Engineer , working with a diverse team of contractors,...day one. + KEY - Advance knowledge of RedHat Linux and RedHat OpenShift. + KEY - Expertise in… more
    SAIC (09/20/25)
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  • Infrastructure Engineer /Administrator

    CACI International (Mclean, VA)
    Infrastructure Engineer /Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with ... * **The Opportunity:** CACI is seeking a highly motivated Linux System Engineer and Administrator with hands...configuration management and change control. **Qualifications:** _Required:_ + Active TS / SCI w/ Poly clearance is required. +… more
    CACI International (09/26/25)
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  • Network Engineer -US Citizens Only- Active…

    The Metamorphosis Group (Reston, VA)
    Network Engineer -US Citizens ONLY- ACTIVE Top Secret / SCI Full Scope Poly REQUIRED Reston, Virginia Apply Now WORK REQUIREMENTS: Network Engineering ... shepherd and perform engineering efforts in the areas of Windows and Linux servers, workstations, storage, and virtualization. * The Contractor Team shall support… more
    The Metamorphosis Group (09/03/25)
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  • Network Engineer - Must Have Active…

    The Metamorphosis Group (Reston, VA)
    Network Engineer - MUST HAVE ACTIVE Top Secret / SCI Full Scope Poly Clearance Reston, Virginia . Information Technology Apply Now WORK REQUIREMENTS: ... Yes Network Engineer duties and responsibilities. Network Engineer supports and develops the networks used by organizations. They work closely with department… more
    The Metamorphosis Group (10/18/25)
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  • Cloud Engineer

    Nightwing (Arlington, VA)
    …from the customer. **Required Skills:** - US Citizenship - Must have an active DoD Secret clearance, TS / SCI clearance is preferred. - Must be able to ... and assist with the restoration of services. Nightwing is seeking an experienced Cloud Engineer with strong Red Hat Enterprise Linux (RHEL) experience to join… more
    Nightwing (08/28/25)
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  • Jr. Enterprise Systems Engineer

    Amentum (Falls Church, VA)
    …provide expert technical assistance to team members, and build and patch servers ( Linux and Windows). Engineer should have excellent networking skills, including ... The **Jr.** **Enterprise Systems Engineer ** is responsible for maintaining the design and...trunk ports) **Additional Requirements** + Must have an active TS / SCI clearance with poly level of clearance… more
    Amentum (08/29/25)
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  • Principal/Sr Principal Engineer Embedded…

    Northrop Grumman (Dulles, VA)
    …of 5 years (level 3) or 8 years (level 4) of relevant experience + Top Secret clearance with the ability to obtain SCI at time of application + Ability to ... history. We have an opening for an Embedded Software Engineer to join our team of qualified, diverse individuals...be in Dulles, VA. This work does require a TS / SCI clearance and will primarily be performed… more
    Northrop Grumman (09/30/25)
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  • Next Generation Desktop Environment (NGDE)…

    General Dynamics Information Technology (Annapolis Junction, MD)
    …ID:** RQ208493 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... **Job Family:** IT Infrastructure and Operations **Skills:** Linux Environments,Systems Engineering,Systems Software **Experience:** 8 + years of...are up to date WHAT YOU'LL NEED: + Active TS / SCI clearance and ability to obtain and… more
    General Dynamics Information Technology (10/08/25)
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  • CNO Automated Test Engineer (Active…

    General Dynamics Information Technology (Hanover, MD)
    …ID:** RQ208181 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... **You receive an additional 5 days of PTO for TS / SCI with Poly** CNO Test Engineer...or more of the following operating system environments: Unix, Linux , VxWorks + Experience working within teams of engineers… more
    General Dynamics Information Technology (10/09/25)
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  • ACAS Engineer - Active Top

    ENS Solutions (College Park, MD)
    …applications + Experience working with STIGs, SCAP, and cybersecurity best practices + Active TS / SCI clearance; willingness to take a polygraph exam + HS diploma ... to enable secure and reliable operations of enterprise computer systems. Engineer , design, develop, and implement enterprise network cyber defense capabilities to… more
    ENS Solutions (09/27/25)
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