• Sr. Systems Engineer

    Leidos (Fort Belvoir, VA)
    **Description** Leidos is seeking a **Sr. Systems Engineer ** to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS ... partners operating in CONUS and OCONUS locations. The Sr Systems Engineer will deploy new Windows and...and standards for environmentals, ie HVAC/CRAC solutions, fire suppression, security , and similar data center infrastructure systems .… more
    Leidos (09/23/25)
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  • Senior Software Developer - TS/SCI…

    Leidos (Reston, VA)
    …upgrade for the right candidate** that holds another lower level US government security clearance as a starting point. **This position requires US citizenship.** ... Mission Solutions Business Area at Leidos seeks a Software Engineer to lead the creation of new software capabilities...test, simulation, and verification of software simulation or decision systems . A successful applicant will be able to write… more
    Leidos (09/21/25)
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  • Systems Engineer , TS/SCI…

    General Dynamics Information Technology (Mclean, VA)
    …**Job Description:** Seize your opportunity to make a personal impact as a Systems Engineer supporting an information technology enterprise. At GDIT, people are ... **Req ID:** RQ196153 **Type of Requisition:** Regular ** Clearance Level Must Be Able to Obtain:** Top...our differentiator. As a Systems Engineer , you will help ensure today… more
    General Dynamics Information Technology (09/11/25)
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  • Senior Systems Engineer

    Chenega Corporation (Springfield, VA)
    **Req ID:** 36877 **Summary** **Senior Systems Engineer ** **Springfield, VA** Are you ready to enhance your skills and build your career in a rapidly evolving ... Chenega Agile Real-Time Solutions (CARS) is seeking a **Sr. Systems Engineer ** will report to the Enterprise...Working with routers, bridges, switches, storage area networks, network security , and network management systems in a… more
    Chenega Corporation (07/23/25)
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  • Crypto Systems Engineer

    KBR (Chantilly, VA)
    Title: Crypto Systems Engineer Belong. Connect. Grow. with KBR! Support the Directorate by evaluating and certifying the implementation, integration, and ... into customer-owned or controlled Space systems , through robust cryptographic security engineering and information systems security engineering… more
    KBR (09/06/25)
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  • Senior Network Systems Engineer

    Noblis (Chantilly, VA)
    Responsibilities As a Senior Systems Engineer , you will plan, design, and implement additions and changes to network hardware, infrastructure server ... environments, and operating systems . You will provide direct support in the day-to-day...14 years of experience, + Active Top Secret (TS) clearance with eligibility for Sensitive Compartmented Information (SCI) and… more
    Noblis (09/03/25)
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  • Systems Engineer /Architect

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Midlevel Systems Engineer /Architect** to join our team in **DC, Maryland, and Virginia (DMV) area** ... . As Computer Systems Engineer /Architect, you will be responsible for...as Python, Java, C++, and scripting languages relevant to security operations (eg, Bash, PowerShell). ** Clearance Requirements:… more
    ManTech (08/21/25)
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  • KPMO Space Systems Engineer

    TRIAEM, LLC (Springfield, VA)
    KPMO Space Systems Engineer Location: Springfield, VA Clearance Requirement: TS/SCI The KPMO Space Systems Engineer provides advanced engineering ... (NSG) and the Department of Defense/Intelligence Community (DoD/IC). The engineer will engage in activities including requirements engineering, solutions… more
    TRIAEM, LLC (09/24/25)
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  • EndPoint Systems Engineer

    CACI International (Mclean, VA)
    EndPoint Systems Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... * * * **The Opportunity:** CACI is seeking a Systems Engineer ! As a member of a...security compliance to the supported applications and operating systems . * Hands on experience designing and configuring Microsoft… more
    CACI International (09/30/25)
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  • Senior Systems Engineer

    Leidos (Chantilly, VA)
    …That Powers Innovation!** Leidos is on the lookout for a sharp, forward-thinking ** Systems Engineer ** to strengthen our elite technical team in **Chantilly, VA** ... the most complex challenges in support of our national security mission. **What You'll Do:** Step into a hybrid...+ Serve as the operational backup for the senior systems engineer . + Participate in infrastructure and… more
    Leidos (08/15/25)
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