• Linux Systems Engineer

    ENS Solutions (Springfield, VA)
    + Experience developing systems , products, and/or processes based on a total systems perspective. + Consults, plans, analyzes, designs, develops, tests, assures ... quality, configures, installs, implements, integrates, maintains, and manages systems . + Maintains a diverse set of skills across...6+ years of relevant experience. + Must have an Active TS/SCI ; willingness to obtain and maintain a… more
    ENS Solutions (11/14/25)
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  • LINUX Engineer - Active Top…

    General Dynamics Information Technology (Washington, DC)
    …Advance how our customers operate while you advance your career. Join GDIT as a Linux Engineer and you will build an impactful career in enterprise IT, ... like you. **MEANINGFUL WORK AND PERSONAL IMPACT** As a Linux Engineer , the work you'll do at...impactful to the customer's mission. . Maintain and manage Linux systems , including performing regular updates, backups,… more
    General Dynamics Information Technology (11/05/25)
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  • Linux Systems Engineer

    William C Brown Inc (Springfield, VA)
    Linux Systems Engineer EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment ... law. Description Our work depends on a TS/SCI cleared Linux Systems Engineer joining our...or work/military experience QUALIFICATIONS: 5+ years of related experience CLEARANCE: Active TS / SCI Clearance and eligibility to obtain… more
    William C Brown Inc (09/25/25)
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  • Linux Systems Engineer

    SAIC (Arlington, VA)
    **Description** Seeking a Senior Systems /Network Engineer , working with a diverse team of contractors, government personnel and subject matter experts, focused ... Responsibilities include: + Supporting a variety of networks and systems in a mission-critical enterprise environment. + Excel independently...day one. + KEY - Advance knowledge of RedHat Linux and RedHat OpenShift. + KEY - Expertise in… more
    SAIC (12/06/25)
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  • Linux Engineer

    ManTech (Quantico, VA)
    …+ The Linux Engineer will maintain, update, and secure existing Linux systems on both classified and unclassified networks in support of Cyber ... **MANTECH** seeks a motivated, career and customer-oriented ** Linux Engineer ** to support our current...Candidates will be responsible for optimizing, maintaining, and securing Linux systems to ensure optimum performance with… more
    ManTech (10/31/25)
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  • Linux Systems Administrator

    CACI International (Fort Meade, MD)
    …team of professionals being assembled by CACI, Inc! We have an opening for a ** Linux Systems Administrator** with an active TS/SCI w/Polygraph clearance. If ... Linux Systems Administrator Job Category: Information...* IAVA Patching * STE/STN **_Desired:_** * Redhat Certified Engineer (RedHat Enterprise Linux installation (RHEL): expert… more
    CACI International (10/29/25)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    Systems ,Software Updates,System Administration,Technical Issues **Certifications:** Red Hat Certified Engineer (RHCE) | Red Hat - Red Hat, CompTIA Security+ CE ... MAKE AN IMPACT:** + Provide system administration support for Linux operating systems including installing software, applying...Level Requirements:** + Must have a minimum of an active Secret clearance at time of interview and candidate… more
    General Dynamics Information Technology (10/25/25)
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  • Principal Systems Engineer

    V2X (Suitland, MD)
    …challenges with integrity, respect, responsibility, and professionalism. We are hiring a Principal Systems Engineer - active TS/SCI clearance to support our ... is 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-level Principal Systems Engineer shall lead a diverse, multi-… more
    V2X (11/15/25)
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  • Systems Engineer ( Active

    General Dynamics Information Technology (Annapolis Junction, MD)
    …are career-defining. The opportunity we can offer is one-of-a-kind. Our work depends on a ** Systems Engineer ** joining our team to support a GDIT program that we ... Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Linux ,Software Development, Systems Engineering **Experience:** 3 + years of… more
    General Dynamics Information Technology (10/14/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …hardware and software in support of developing and testing of information technology systems + Experience with Linux administration + Experience using Ansible or ... to handle stress and work under pressure + Competence in computer operating systems **Clearance Requirement:** + Must have a current/ active TS/SCI with Poly… more
    ManTech (10/16/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …years' experience might be substituted for a degree. + Heavy Windows and Linux administration experience + Highly proficient with Active Directory + Experience ... MD area. **Responsibilities include, but are not limited to:** + Design, engineer , and implement automated hardening scripts for internal servers adding scalability… more
    ManTech (11/22/25)
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  • Linux System Administrator

    ManTech (Fort Meade, MD)
    …area. **Responsibilities include, but are not limited to:** + Design, engineer , and implement automated hardening scripts for internal servers adding scalability ... for new operating system rollout. + Configure host-based intrusion detection systems . + Monitor and troubleshoot/examine detected anomalies. + Developed automation… more
    ManTech (12/02/25)
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  • Senior Computer Network Defense (CND)…

    V2X (Springfield, VA)
    …responsibility, and professionalism. We are hiring for a Senior Computer Network Defense (CND) Engineer with an active TS/SCI clearance - with the ability to ... Management (SIEM) products, vulnerability scanning tools as deployed within hosted Information Systems . Responsibilities + The Senior CND Engineer develops and… more
    V2X (12/12/25)
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  • IDS / IPS Engineer - Active TS/SCI…

    ENS Solutions (College Park, MD)
    …logging, and output modules. + Extensive experience administering Red Hat Enterprise Linux (RHEL) systems , including package management (yum/dnf), kernel module ... We are seeking an experienced Network Intrusion Detection Engineer to join our cybersecurity team. The ideal candidate must possess strong Linux engineering… more
    ENS Solutions (12/14/25)
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  • Network Engineer -US Citizens Only-…

    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 Support - * ... The Contractor Team shall assist with continuous monitoring of IT systems that are required to sustain Sponsor accreditation of these systems . * The Contractor… more
    The Metamorphosis Group (12/03/25)
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  • ACAS Engineer - Active Top Secret…

    ENS Solutions (College Park, MD)
    …innovative solutions to enable secure and reliable operations of enterprise computer systems . Engineer , design, develop, and implement enterprise network cyber ... and Linux , including installing, configuring, or maintaining servers operating systems and applications + Experience working with STIGs, SCAP, and cybersecurity… more
    ENS Solutions (09/27/25)
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  • Suricata Engineer - Active TS/SCI…

    ENS Solutions (College Park, MD)
    …logging, and output modules. + Extensive experience administering Red Hat Enterprise Linux (RHEL) systems , including package management (yum/dnf), kernel module ... We are seeking an experienced Suricata Engineer to join our cybersecurity team. The ideal...Suricata (Docker/Kubernetes) in enterprise environments. + Familiarity with common Linux operating systems , including RHEL, Oracle, CentOS.… more
    ENS Solutions (11/26/25)
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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...with Windows Server 2008-2016, Ubuntu, CentOS, and Ubuntu operating systems . * The Contractor shall ensure the security of… more
    The Metamorphosis Group (10/18/25)
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  • ForeScout Engineer - Active TS/SCI…

    ENS Solutions (College Park, MD)
    …maintenance of Forescout CounterACT appliances + 5+ years of experience performing systems administration for Windows or Linux , including performing basic ... to solve complex security challenges. You will lead a team as they engineer solutions to complex challenges for customers using knowledge network engineering, … more
    ENS Solutions (12/06/25)
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  • CNO Automated Test Engineer ( Active

    General Dynamics Information Technology (Hanover, MD)
    …+ **You receive an additional 5 days of PTO for TS/SCI with Poly** CNO Test Engineer Expert Seize your opportunity to make a personal impact as a Test Engineer ... At GDIT, people are our differentiator. As a Test Engineer Expert you will help ensure today is safe...equipment required for the testing and evaluating of new systems , products and special devices. Utilizing your expert knowledge… more
    General Dynamics Information Technology (10/09/25)
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