• Linux Engineer

    ManTech (Quantico, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Linux Engineer ** to support our current NCIS contract out of **Quantico, VA.** **Responsibilities ... include but are not limited to:** + The Linux Engineer will maintain, update, and secure existing Linux systems on both classified and unclassified networks… more
    ManTech (10/31/25)
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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 without ... protected by law. Description Our work depends on a TS/SCI cleared Linux Systems Engineer joining our team to support our customer in Springfield, VA and… more
    William C Brown Inc (12/25/25)
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  • Cybersecurity Engineer - Linux

    CACI International (King George, VA)
    Cybersecurity Engineer - Linux Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... * * * **The Opportunity:** CACI is seeking cleared Linux savvy engineers to work onsite in our offices...The most successful candidates will be solutions-oriented and self-motivated. Linux experience in a must! **Must be able to… more
    CACI International (12/29/25)
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  • Embedded Linux Developer

    Actalent (Manassas, VA)
    Job Title: Embedded Linux Engineer Job Description We are looking to hire two innovative Embedded Linux Engineers to join our team in developing embedded ... Linux software for submarine acoustic systems. This exciting opportunity...supports advanced defense systems, requiring deep technical expertise in Linux -based environments, kernel development, and hardware/software integration. Responsibilities +… more
    Actalent (01/05/26)
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  • Linux Systems Engineer - Active…

    ENS Solutions (Springfield, VA)
    …documents, determines how a system is to be built, tested, and implemented, plans the system development execution and ensures adherence to appropriate standards, ... + 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… more
    ENS Solutions (11/14/25)
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  • Security Engineer

    Leidos (Lorton, VA)
    …to deliver cybersecurity and information assurance services. **Primary Responsibilities** The Security Engineer - Linux / Tenable Compliance is responsible for ... at Leidos currently has an opening for a Security Engineer to work in our Lorton, VA office. This...securing and hardening enterprise Linux servers, managing Tenable vulnerability scanning platforms, and driving… more
    Leidos (12/11/25)
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  • Cyber Security Implementation Engineer

    CACI International (Springfield, VA)
    …and cloud-based cybersecurity infrastructure and applications running on Windows and Linux operating systems + Engineer and implement cybersecurity solutions ... Cyber Security Implementation Engineer Job Category: Engineering Time Type: Full time...compute, storage, and transport. + Expertise in Windows and Linux server operating systems. + Excellent writing and communication… more
    CACI International (11/14/25)
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  • System Administrator

    Gromelski & Associates, Inc. (Manassas, VA)
    …Support._ **_System Administrator Job Description:_** + Performs tasks as Red Hat Linux Systems Engineer and Administrator, develops kernels and other advanced ... + Performs duties as System Administrator on systems using Linux , Windows, and other operating systems as needed. +...US Citizen. + Must be a Red Hat(R) Certified Engineer (RHCE(R)) and Red Hat Certified System Administrator (RHCSA)… more
    Gromelski & Associates, Inc. (12/17/25)
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  • Senior Linux Architect

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** **SENIOR LINUX ARCHITECT (CORPIT)** Bowhead seeks aSenior Linux Architect to lead the engineering and architecture of our enterprise RDT&E solutions ... critical to our Comply to Connect (C2C) initiative inDahlgren, VA. The Senior Linux Architect will design and implement Red Hat Satellite and Ansible solutions,… more
    UIC Government Services and the Bowhead Family of Companies (12/03/25)
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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 ... & Management, Ltd. is seeking one (1) Security Software Engineer . This position is contingent upon award of the...Operate and administrate computer systems running HP-UX, UNIX, Solaris, Linux and Microsoft Windows. + Identify security flaws in… more
    Imagine One Technology & Management (12/24/25)
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  • Senior Computer Network Defense (CND)…

    V2X (Springfield, VA)
    …and professionalism. We are hiring for a Senior Computer Network Defense (CND) Engineer with an active TS/SCI clearance - with the ability to obtain and ... are required to be onsite. The Senior Computer Network Defense (CND) Engineer tests, implements, deploys, maintains, review, and administers the hardware, software,… more
    V2X (12/12/25)
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  • Kubernetes Engineer

    Actalent (Manassas, VA)
    Job Title: Kubernetes EngineerJob Description We are seeking a Kubernetes Engineer to support the development of containerization across three large Navy ship and ... sailors aware and safe. Responsibilities + Perform software integration. + Enable a Linux system to function with a private cloud, including testing and debugging… more
    Actalent (01/14/26)
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  • Cyber Systems Security Engineer Sr.

    Gromelski & Associates, Inc. (Manassas, VA)
    **Cyber Systems Security Engineer Sr.** Location **Manassas, VA (Relocation Assistance Available)** Job Category **Engineering** ID **686** **_Cyber Systems Security ... Engineer Sr._** _Gromelski and Associates, Inc. (GAI) partners with...architecture. . Integrating secure configuration tools and processes for Linux and Windows environments. . Performing security assessments and… more
    Gromelski & Associates, Inc. (12/05/25)
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  • High Speed Guard Engineer

    System One (Springfield, VA)
    Job Title: High Speed Guard Engineer Location: Springfield, VA Type: Contract To Hire Contractor Work Model: Onsite Security Clearance: Active TS/SCI High Speed ... Guard Engineer to support the implementation and administration of Everfox...based on a total systems perspective. + Experience with Linux operating systems; understanding of general operating system security… more
    System One (12/26/25)
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  • Software Engineer TS SCI

    Northrop Grumman (Stafford, VA)
    …history, they're making history. Northrop Grumman, Defense Systems, is seeking a software engineer to work on the Whisper programs in Stafford, Virginia. The Whisper ... multiple systems worldwide. Rf Signal equipment and RF microwave engineer to provide our customer with 24 x 7...and maintenance using Java, C and scripting languages in Linux and Windows environments. Assist with all or part… more
    Northrop Grumman (12/05/25)
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  • Sr. DevOps Engineer - $20K Sign On Bonus

    Huntington Ingalls Industries (Fort Belvoir, VA)
    …Job Description Enlighten is seeking a highly motivated and experienced DevOps Engineer to join our fast-paced development team. The ideal candidate will have ... Kubernetes and Container Orchestration, Configuration Management, CI/CD, Automation, AWS, Linux systems administration, Scripting in Bash and Programming in Python,… more
    Huntington Ingalls Industries (11/22/25)
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  • Software Engineer (Kubernetes)

    Actalent (Manassas, VA)
    Job Title: Software Engineer (Kubernetes) Job Description We are seeking a Software Engineer to support the development of containerization across a large Naval ... support. Responsibilities + Perform software integration and ensure seamless operation of Linux systems with private clouds. + Test and debug code, working with… more
    Actalent (01/10/26)
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  • Cyber Data Analytics Engineer

    CACI International (Springfield, VA)
    Cyber Data Analytics Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage ... (but not limited to) data ingest, data normalization, SIEM management, Linux /Windows host administration, virtual machine (VM) management, and cloud asset… more
    CACI International (12/24/25)
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  • Cross Domain Solutions (CDS) Engineer

    Arena Technical Resources, LLC (Lorton, VA)
    Cross Domain Solutions (CDS) Engineer Location: Lorton, VA, US Job ID: ATR 17643 Job Description Job Title: Cross Domain Solutions (CDS) Engineer Location: ... CI Polygraph Supporting DIA Long term contract 3+ years The CDS Engineer supports mission-critical cross-domain operations, ensuring the secure and reliable transfer… more
    Arena Technical Resources, LLC (11/03/25)
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  • Software Engineer

    Tetrad Digital Integrity LLC (Fort Belvoir, VA)
    …threats and vulnerabilities in this digital age. We are looking for a Software Engineer to support our customer in Fort Belvoir on a 100% onsite capacity. As ... GED and 7+ years of experience as a Software Engineer , or Bachelor's degree and 3+ years of experience...QUALIFICATIONS: + Experience working on multiple OS platforms, including Linux and Windows + Experience with the Windows Computing… more
    Tetrad Digital Integrity LLC (12/11/25)
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