• 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 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 (12/25/25)
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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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  • 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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  • Systems Integration Engineer

    BAE Systems (Springfield, VA)
    …and systems requirements documents + supporting the maintenance of active security authorizations for all projects/security plans (SPIDs) and of required ... incentives may be available based on position level and/or job specifics. ** Systems Integration Engineer (Devops)** **117614BR** EEO Career Site Equal… more
    BAE Systems (10/22/25)
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  • Security Engineer

    Leidos (Lorton, VA)
    …+ 5-8+ years of hands-on experience administering and securing Linux systems in an enterprise environment. + Active TS/CI government security clearance ... to deliver cybersecurity and information assurance services. **Primary Responsibilities** The Security Engineer - Linux / Tenable Compliance is responsible for… more
    Leidos (12/11/25)
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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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  • Systems Engineer (Test Tool…

    KBR (Springfield, VA)
    Title: Systems Engineer (Test Tool Development and Automation) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end ... based upon contract award. KBR is seeking a Mid-Level Systems Engineer to support government customers in...relevant experience related to test automation engineering. + Hands-on Linux experience + Experience with Agile Software Development +… more
    KBR (12/11/25)
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  • Network Management Systems Engineer

    Leidos (Fort Belvoir, VA)
    **Description** Leidos is seeking a Network Management Systems (NMS) Engineer at Fort Belvoir, VA to support operations on a large, high-profile DOD contract. ... other NMS administration. + Strong understanding of network and systems infrastructure (routers, switches, firewalls, Windows/ Linux servers, virtualization).… more
    Leidos (12/24/25)
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  • Systems Engineer

    William C Brown Inc (Springfield, VA)
    Systems Engineer EOE Statement We are an equal employment opportunity employer. All qualified applicants will receive consideration for employment without regard ... protected by law. Description WCBinc is looking for a Systems Engineer to join our team to...web authentication methods (SAML or OAUTH) Red Hat Enterprise Linux , YUM, Satellite, Capsule technologies Enterprise Storage Systems more
    William C Brown Inc (11/25/25)
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  • Security Software Engineer - Red Team…

    Imagine One Technology & Management (Dahlgren, VA)
    …The Security Software Engineer will be expected to: + Debug and reverse engineer software. + Analyze Windows Events and Linux syslog's, boot logs and dmesg ... **This position requires** **U.S. citizenship** **and an** ** active US DoD clearance** **.** **Candidates who are**...to mitigate known vulnerabilities. + Operate and administrate computer systems running HP-UX, UNIX, Solaris, Linux and… more
    Imagine One Technology & Management (12/24/25)
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  • CCSS Principal Systems Engineer

    RTX Corporation (Springfield, VA)
    …secure world. Raytheon Field Engineering is anticipating an opportunity for a Principal Systems Engineer . This role is suited for a motivated individual with ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (11/13/25)
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  • Systems Engineer

    ManTech (King George, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Systems Engineer ** to join our Fleet support Install team in **King George, VA** . The position is ... AEGIS Combat System **Preferred Qualifications:** + Experience UNIX and LINUX , configuration management (CM) production, installation; and quality control processes.… more
    ManTech (11/14/25)
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  • High Speed Guard Engineer

    System One (Springfield, VA)
    …Springfield, VA Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: Active TS/SCI High Speed Guard Engineer to support the implementation ... Experience developing systems , products, and/or processes based on a total systems perspective. + Experience with Linux operating systems ; understanding… more
    System One (12/26/25)
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  • Software Engineer (Kubernetes)

    Actalent (Manassas, VA)
    …life-cycle support. Responsibilities + Perform software integration and ensure seamless operation of Linux systems with private clouds. + Test and debug code, ... Job Title: Software Engineer (Kubernetes) Job Description We are seeking a...US Navy submarines. It functions as a 'system of systems ' that manages all technical products integrated into submarine… more
    Actalent (01/10/26)
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  • Cyber Data Analytics Engineer

    CACI International (Springfield, VA)
    …integration, configuration, and maintenance actions **Qualifications:** _Required:_ * 5+ years of Systems Engineer or similar experience * IAT II certification ... Cyber Data Analytics Engineer Job Category: Information Technology Time Type: Full...not limited to) data ingest, data normalization, SIEM management, Linux /Windows host administration, virtual machine (VM) management, and cloud… more
    CACI International (12/24/25)
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  • Electrical Engineer

    V2X (Dahlgren, VA)
    …embedded systems software, primarily in C/C++ + Develop performant, real-time Linux applications for resource constrained systems + Develop FPGA firmware to ... What You'll Do: + V2X is seeking an Electrical Engineer to support the Advanced Hypersonic Weapons & Guided...the fire control loop against threats, gun and launcher systems , sensors, and high speed projectiles and bullets. +… more
    V2X (11/21/25)
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  • Cross Domain Solutions (CDS) Engineer

    Arena Technical Resources, LLC (Lorton, VA)
    …to the RHR system and CDS web-based interface. - Monitor and manage active support tickets across multiple ticketing systems , ensuring timely resolution and ... Cross Domain Solutions (CDS) Engineer Location: Lorton, VA, US Job ID: ATR...- Cross Domain Solutions (CDS) - Red Hat Enterprise Linux (RHEL) - Multi-network ticketing systems -… more
    Arena Technical Resources, LLC (11/03/25)
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  • Network Engineer

    CACI International (Dahlgren, VA)
    … architecture, the IaaS components, and their interaction with the supporting networking systems . + Install, configure, and maintain Linux (primarily RHEL and ... Network Engineer Job Category: Information Technology Time Type: Full...concepts, IaaS, and complex system architectures. + Experience with Linux (RHEL and Ubuntu) and Windows operating systems more
    CACI International (01/14/26)
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  • Software Engineer

    Lockheed Martin (Manassas, VA)
    …creativity, excellence, and product innovation\. **The Work** Lockheed Martin Rotary & Mission Systems is seeking a full\-time Software Engineer \. In this role, ... experience and knowledge of coding in Java/C\+\+ on a Linux Operating System\. This position is located at a...The selected candidate will be required to hold an active government Secret security clearance\. **Why Join Us** Your… more
    Lockheed Martin (11/19/25)
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