• LINUX Sr Principal Systems Engineer

    General Dynamics Information Technology (Washington, DC)
    …GDIT. Your work in the integration of Linux resources into a primary Windows Infrastructure across multiple classification levels will help our clients overcome ... experience **US Citizenship Required:** Yes **Job Description:** Job Description **Senior Principal Systems Engineer - Linux** Design, deploy, integrate and… more
    General Dynamics Information Technology (09/23/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    … related problems, performance, and capacity as well as work hand-in-hand with the Principal Network Engineer on network infrastructure issues impacting the ... of the full benefits package. Saliense is now hiring a Senior Technical Consultant ( Principal Network Systems Engineer ) to join our team in support of our… more
    Saliense Consulting (10/01/25)
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  • Sr Principal Systems Engineer

    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:** **Sr Principal Systems Engineer - Active Directory - Active Top Secret… more
    General Dynamics Information Technology (09/26/25)
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  • Principal Systems Engineer - Active…

    General Dynamics Information Technology (Washington, DC)
    …Secret/SCI **Public Trust/Other Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Complex Systems,Encryption,Hardware Security,Microsoft ... years of related experience **US Citizenship Required:** Yes **Job Description:** **Senior Principal Systems Engineer ** Seize your opportunity to make a personal… more
    General Dynamics Information Technology (08/09/25)
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  • Cyber Software Test Engineer

    Northrop Grumman (Chantilly, VA)
    …**Northrop Grumman Mission Systems** is seeking a candidate to fill a **Software Test Engineer / Principal Software Test Engineer ** position. This position ... mission operations This requisition may be filled at either the **Software** **Test Engineer ** or ** Principal ** **Software** **Test Engineer ** level. **Basic… more
    Northrop Grumman (09/25/25)
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  • Principal Platform Engineer / Linux…

    RTX Corporation (Springfield, VA)
    …secure world. Raytheon Technologies (RTX) is seeking a Principal Platform Engineer / Linux with well-rounded Linux Infrastructure Engineering expertise to ... that ideally also has experience in emerging DevOps/DevSecOps & Modernized technologies. The Principal Platform Engineer would be engaged in the design and… more
    RTX Corporation (08/08/25)
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  • Principal Cyber Security Systems…

    ManTech (Chantilly, VA)
    MANTECH seeks a motivated, career-driven ** Principal Cyber Security Systems Engineer ** to join our team in **Chantilly, VA** . This role offers an exciting ... opportunity for an experienced engineer to secure and optimize complex infrastructure ...Cisco, F5, and similar platforms + Administering and troubleshooting Windows , Linux, and vendor appliance-based systems to ensure high… more
    ManTech (08/29/25)
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  • Sr Principal Cyber Systems Engineer

    Northrop Grumman (Fairfax, VA)
    …our diverse team of engineers, system administrators, and operators as a Sr. Principal Cyber Systems Engineer professional in Chantilly, VA. The successful ... including but not limited to Standard Operating Procedures and VISIO diagrams. **Senior Principal Cyber Systems Engineer Basic Qualifications:** + Must have an… more
    Northrop Grumman (09/10/25)
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  • Senior Principal Azure Cloud…

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and experienced **Senior Principal Azure Cloud Engineer ** to join our team in **Chantilly, VA.** In this role, you will support ... Security Engineer Associate, Solutions Expert in Cloud Platform and Infrastructure , or Azure Solutions Architect Expert **Clearance Requirements:** + Must have a… more
    ManTech (09/16/25)
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  • Sr. Principal or Principal Systems…

    Boehringer Ingelheim (Ashburn, VA)
    …to drive innovation within the Enterprise Compute team. **Requirements** **_Sr. Principal Systems Engineer :_** Associate degree from an accredited institution ... critical role in ensuring the reliability, scalability, and innovation of our IT infrastructure . We are seeking a motivated and skilled professional to join our team… more
    Boehringer Ingelheim (09/04/25)
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