• Infinity Systems Engineering (Alexandria, VA)
    …- now, come 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 ... secure, and troubleshoot Juniper and Cisco switches. + Perform systems administration on Windows and Linux platforms...configuration (Cisco experience is a plus) + Proficient in Linux and Windows system administration + Active more
    DirectEmployers Association (09/30/25)
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  • 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 (08/15/25)
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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 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 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 ... must possess an activeTS/SCI clearance Job Description: The Systems Engineering team is seeking a driven Senior ...candidate is ready to operate as aTIER 3 level Linux Administrator, experienced in managing large amounts of data… more
    Arena Technical Resources, LLC (10/14/25)
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  • Edge Information Systems Security…

    V2X (Springfield, VA)
    …with integrity, respect, responsibility, and professionalism. We are hiring an Edge Information Systems Security Engineer (ISSE) - active TS/SCI clearance to ... VA. The position is required to be onsite. The position requires an active Top Secret/SCI clearance and the ability to obtain and maintain a Counterintelligence… more
    V2X (09/09/25)
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  • IT Engineer - Microsoft Enterprise…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …highly skilled **IT Engineer ** with strong experience in both **Microsoft Enterprise Systems and Linux administration** to provide **Tier II support** for a ... Knowledge:** + Windows operating systems (Windows 10, Server 2012/2016) + Linux administration (RHEL/CentOS/Ubuntu) + Active Directory, DNS, DHCP, DFS, LDAP… more
    General Dynamics Information Technology (10/14/25)
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  • Systems Engineer TS/SCI Poly

    Parsons Corporation (Centreville, VA)
    …redefine what's possible. **Job Description:** Parsons is seeking a highly skilled and motivated ** Systems Engineer ** to join our dynamic team. In this role, you ... to the seamless integration and performance of our cutting-edge technologies. As a Systems Engineer at Parsons, you will be responsible for the operations… more
    Parsons Corporation (10/03/25)
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  • UC Engineer ( Active Clearance…

    World Wide Technology (Quantico, VA)
    …mission-critical systems . **What will you be doing?** The UC Engineer is a dedicated, on-site professional responsible for providing technical assistance, ... Systems (POTS). + Technical Skills: Proficiency in operating systems (eg, Windows, macOS, Linux ). + Knowledge...Proficiency in operating systems (eg, Windows, macOS, Linux ). + Knowledge of networking protocols and hardware. +… more
    World Wide Technology (09/30/25)
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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 (08/07/25)
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  • Processing Systems Engineer

    The Boeing Company (Springfield, VA)
    …(BDS), Space and Launch Division is looking for an **Associate or Mid-Level Processing Systems Engineer ** (Level 2 or 3) to maintain data processing systems ... mission-focused technologies for a variety of customers. The Processing Systems Engineer will be a part of...Experience with software development or coding + Experience with Linux operating systems and command line interfaces… more
    The Boeing Company (10/30/25)
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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 (09/12/25)
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  • IT Systems Security Engineer

    SAIC (Springfield, VA)
    …Controls + Nessus & DISA STIG Remediation + Troubleshooting system issues + Linux Operating systems REQNUMBER: 2510545 SAIC is a premier technology integrator, ... **Description** SAIC is seeking a well-qualified Security Engineer to join an exciting program supporting our...to quickly adjudicate a polygraph for those with an active TS/SCI clearance. **An active TS/SCI is… more
    SAIC (10/07/25)
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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 (08/27/25)
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  • Submarine Sonar Systems Integration…

    Lockheed Martin (Manassas, VA)
    …Martin Rotary & Mission Systems is seeking a full\-time Submarine Sonar Systems Integration Engineer \. As a System Integrator, you will be responsible for ... integrating and testing complex systems , ensuring they meet the required specifications, performance standards, and needs of the sailor\. In addition, you will be… more
    Lockheed Martin (10/15/25)
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  • Systems Engineer

    Lockheed Martin (Fort Belvoir, VA)
    …hiring levels 2\-5\. If you are interested in joining LM and working as a Systems Engineer , please apply to this requisition\. Please apply to be considered\. We ... be contacted for this and future openings\. **Basic Qualifications:** Knowledge in Systems Engineering or Satellite Systems concepts and processes Experience… more
    Lockheed Martin (10/04/25)
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  • Systems Engineer

    Parsons Corporation (Centreville, VA)
    …and redefine what's possible. **Job Description:** Parsons is looking for an amazingly talented Systems Engineer to join our team! In this role you will get ... to include patching and updates + Using development supporting systems (Kubernetes, Rancher, AWS, Docker) + Maintain and upgrade...substituted in lieu of degree. + VMWare Administration + Linux and Windows OS Administration + Active more
    Parsons Corporation (09/04/25)
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  • SEIT Systems Engineer - level 2

    Northrop Grumman (Fairfax, VA)
    …Sector invites you to bring your pioneering spirit to our collaborative teams. This _SEIT Systems Engineer - Level 2_ role will be located in either our ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (10/03/25)
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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 ... **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 (09/24/25)
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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 (10/14/25)
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