• AeroVironment (Arlington, VA)
    …+ An active SECRET level clearance. Candidate must be willing to process for TOP SECRET clearance. A TOP SECRET clearance is required throughout ... and critical thinking mindset **DESIRED QUALIFICATIONS:** + An active TOP SECRET Clearance. + NOC/SOC Experience +...as well as alignment with market data. **Clearance Level** TS / SCI **ITAR Requirement:** _T_ _his position requires… more
    DirectEmployers Association (12/24/25)
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  • 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 (11/25/25)
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  • AeroVironment (Arlington, VA)
    …local internal equity as well as alignment with market data. **Clearance Level** Top Secret with Poly **ITAR Requirement:** _T_ _his position requires access ... DATARUNNER) + Familiarity with NiFi or other integration tools + An active TS / SCI with polygraph **Other Qualifications & Desired Competencies** + Intermediate… more
    DirectEmployers Association (12/25/25)
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  • AeroVironment (Arlington, VA)
    …local internal equity as well as alignment with market data. **Clearance Level** Top Secret with Poly **ITAR Requirement:** _T_ _his position requires access ... initiatives. + Experience configuring UNIX and Windows environments. + An active TS / SCI with Polygraph. **Other Qualification & Desired Competencies:** +… more
    DirectEmployers Association (12/19/25)
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  • Linux Engineer

    Amentum (Chantilly, VA)
    …Cyber, Security, & Intel space? If so, look no further. Amentum is seeking a ** Linux Engineer ** to join our team of passionate individuals in **Chantilly, VA** . ... the Nation's security and intelligence mission. **Your Impact:** Our Linux Engineer will join a team of...flavors + Nginx + Certificate Management **Clearance Required:** + TS / SCI with poly **Minimum Education:** + Bachelors… more
    Amentum (12/31/25)
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  • Senior Linux Engineer

    CACI International (Chantilly, VA)
    Senior Linux Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular ... is seeking a highly skilled and experienced Tier 3 Linux Engineer to join our team in...tools, and best practices. **Qualifications:** _Required:_ * An Active TS / SCI Clearance with Polygraph. * Security+ or… more
    CACI International (11/01/25)
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  • Linux Engineer

    ManTech (Quantico, VA)
    …PostgreSQL. **Security Clearance Required** : + Must have a current/active Top Secret with the ability to obtain SCI . **Physical Requirements:** + Sedentary ... **MANTECH** seeks a motivated, career and customer-oriented ** Linux Engineer ** to support our current...to apply for a position with MANTECH, please email us at ###@mantech.com and provide your name and contact information more
    ManTech (10/31/25)
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  • Linux Engineer

    Arena Technical Resources, LLC (Chantilly, VA)
    …Job Description Job Title: Linux Engineer Location: Chantilly, VA Eligibility: Top Secret / SCI clearance with current CI Polygraph required The Systems ... Linux Engineer Location: Chantilly, VA, US... Linux Engineer Location: Chantilly, VA, US Job ID: ATR...- Experience writing detailed, technical documentation -8570 Compliance -Active TS / SCI + CI Poly - Ability to… more
    Arena Technical Resources, LLC (11/29/25)
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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 (12/25/25)
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  • Linux Engineer - TS

    General Dynamics Information Technology (Chantilly, VA)
    …ID:** RQ207328 **Type of Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None ... (CE) Training within six (6) months of Hire Date. + **Security Clearance Level:** TS / SCI with Polygraph is required. Successful candidates are expected to have… more
    General Dynamics Information Technology (12/15/25)
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  • Linux Systems Engineer ( TS )

    Insight Global (Chantilly, VA)
    …Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements - TS Clearance with SCI Eligibility -Bachelor's ... Description Insight Global is looking for an experienced Systems Engineer to support a classified DoD client in Chantilly,...classified tenants. They will be responsible for ensuring the linux hosted applications are running smoothly, as well as… more
    Insight Global (12/27/25)
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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 (11/14/25)
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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 (12/06/25)
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  • Top Secret AWS Engineer

    Insight Global (Vienna, VA)
    …Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements 4+ years in a Senior Linux Engineer or Linux SME-level role. Strong ... system health checks, log reviews, and performance monitoring across Linux (Amazon Linux 2) and Windows environments....development. Experience performing STIGs and supporting system compliance. Active TS Clearance with SCI and CI Poly… more
    Insight Global (01/06/26)
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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 (12/26/25)
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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 (11/26/25)
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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 (12/03/25)
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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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  • Principal Systems Engineer - active…

    V2X (Suitland, MD)
    …MD location. The position is required to be onsite. The position requires an active Top Secret / SCI clearance and the ability to obtain and maintain a ... responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS / SCI clearance... shall lead a diverse, multi- disciplinary team of information technology engineers to tackle unique and complex challenges… more
    V2X (11/15/25)
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  • Senior Computer Network Defense (CND)…

    V2X (Springfield, VA)
    …applicable remediation guidance. + Security Clearance Requirements: + The position requires an active Top Secret / SCI clearance with the ability to obtain and ... are hiring for a Senior Computer Network Defense (CND) Engineer with an active TS / SCI ...(SIEM) products, vulnerability scanning tools as deployed within hosted Information Systems. Responsibilities + The Senior CND Engineer more
    V2X (12/12/25)
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