• Senior Systems Engineer, Air & Space…

    RTX Corporation (Sterling, VA)
    …create a safer, more secure world. Raytheon, an RTX business, is looking for a ** Senior ** ** Systems Engineer** to join our systems engineering team. Our ... with the multi discipline engineering teams to design and develop software systems + Assist in providing technical information and clarification during… more
    RTX Corporation (08/08/25)
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  • Senior Systems Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Systems Engineer** to join our team in **Chantilly, VA.** **Responsibilities include but are ... platforms of common hypervisors and enterprise applications, including collaboration tools, Systems Information and Event Monitoring (SIEM) products, directory… more
    ManTech (09/30/25)
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  • Senior Linux Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH seeks a motivated, mission-focused Senior Linux Systems Administrator to join our team in Chantilly, VA** This opportunity allows you to become part of ... to drive impactful solutions in support of critical government missions. As a ** Senior Linux Systems Administrator,** you will help maintain and enhance the… more
    ManTech (08/30/25)
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  • Senior Principal Systems Integration…

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking an experienced ** Senior Principal Systems Integration Engineer** to support SAIC Prime Program, Tranche 3 Program Integration ... VA and requires a Top Secret clearance. As the Senior Principal Systems Integration Engineer, you will...a Top Secret/SCI. + Experience developing and/or sustaining high-reliability systems for national security , preferably including space… more
    SAIC (09/27/25)
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  • Senior Model Based Systems Engineer

    ManTech (Stafford, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior ** **Model Based Systems Engineer (MBSE)** to join our team in **Stafford, VA** . ... but are not limited to:** + The Model Based Systems Engineer (MBSE) III is a leader in their...+ Must be able to communicate, converse, and exchange information with peers and senior personnel +… more
    ManTech (07/22/25)
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  • Senior IT Systems Engineer

    ManTech (Chantilly, VA)
    …platforms of common hypervisors and enterprise applications, including collaboration tools, Systems Information and Event Monitoring (SIEM) products, directory ... **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Engineer** to join...services, and automation technologies. + Identifying security vulnerabilities, testing and documenting security -relevant changes,… more
    ManTech (08/20/25)
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  • Senior Systems Administrator

    Chenega Corporation (Fort Belvoir, VA)
    …IAVAs, SPs, and patches are installed and configured, including maintaining Defense Information Systems Agency (DISA) Security Technical Implementation ... Senior Systems Administrator Ft. Belvoir, VA...information assurance support. Duties and Responsibilities: + Provide systems administration support for the Windows operating system and… more
    Chenega Corporation (09/01/25)
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  • Senior DevSecOps Engineer

    BAE Systems (Sterling, VA)
    **Job Description** We are looking for a Senior DevSecOps Engineer to join our visible technical program driving the Model Based Systems Engineering (MBSE) cloud ... platform that supports collection, management and analysis of digital engineering information in an architecture that provides seamless digital thread and enables… more
    BAE Systems (09/09/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    …and maintenance of the Enterprise Linux infrastructure + Provide support in information security system requirements and design applicable to Linux hosts ... **Description** The National Security Sector at Leidos is seeking a ** Senior System Administrator** to join a dynamic team based in **Tysons Corner, VA** . This… more
    Leidos (07/29/25)
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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...Top Secret (TS) clearance with eligibility for Sensitive Compartmented Information (SCI) and ability to obtain a Counterintelligence (CI)… more
    Noblis (09/03/25)
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