• Principal Exchange Engineer

    ManTech (Chantilly, VA)
    …enhancements to MS Exchange and Exchange servers, as well as general IT Windows infrastructure . + Designs, develops, tests, debugs and implements Exchange ... **MANTECH** seeks a motivated, career and customer-oriented ** Principal Exchange Engineer ** to join our team in **Chantilly, VA.** The position is **onsite.**… more
    ManTech (09/12/25)
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  • Principal Sales Engineer

    Rocket Software (Washington, DC)
    …where people truly BELIEVE in what they're doing!** **Job Description Summary:** The Principal Sales Engineer role will support Account Executives in new and ... well as direct business to grow revenue opportunities. Rocket Software Principal Sales Engineers are experienced technical professionals with an extensive enterprise… more
    Rocket Software (08/08/25)
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  • Principal Network Engineer

    Leidos (Bethesda, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Principal Network Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics ... Description:** The individual in this role maintains enterprise network infrastructure to ensure proper configuration, availability, performance, capacity, and… more
    Leidos (08/02/25)
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  • Systems Engineer SME - Exchange Messaging…

    General Dynamics Information Technology (Washington, DC)
    …Top Secret/SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Complex Systems,Microsoft Windows ... + years of related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer - Exchange Messaging - Active Top Secret… more
    General Dynamics Information Technology (09/19/25)
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  • DevOps Engineer - TS/SCI with Polygraph

    General Dynamics Information Technology (Herndon, VA)
    …career. **HOW A DEVOPS ENGINEER WILL MAKE AN IMPACT** + As a DevOps Engineer Principal , the work you'll do at GDIT will be impactful to the Sponsor's ... + **Technical skills:** + AWS + Knowledge of server operating systems + Windows , Linux, Distributed Computing, Kubernetes and Cloud infrastructure . + Excellent… more
    General Dynamics Information Technology (09/23/25)
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  • Senior Database Administrator

    Koniag Government Services (Washington, DC)
    …LLC,** a Koniag Government Services company, is seeking a Senior Database Administrator/ Engineer with a Top-Secret security clearance with SCI eligibility to lead ... technical expertise combined with leadership abilities to manage database infrastructure , optimize performance, and ensure data security compliance. This position… more
    Koniag Government Services (09/10/25)
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  • Information Technology /Assurance Specialist SME

    Chenega Corporation (Arlington, VA)
    …Manager (ISSM) and PMs. + Support studies on cyber efforts, acting as the principal cybersecurity advisor to the ETO Chief Engineer (CE). + Identify security ... the ETO's network system administration and Information Technology (IT) infrastructure maintenance functions. + Support operational servers and applications,… more
    Chenega Corporation (09/04/25)
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