• Systems Engineer /COTS Integrator

    ManTech (Chantilly, VA)
    …administration, systems engineering, and troubleshooting experience + Experience with Linux , Windows , and/or VMware platforms + Strong experience with ... **MANTECH** seeks a motivated ** Systems Engineer /COTS Integrator** to support a dynamic and innovative program focused on Big Data infrastructure, advanced… more
    ManTech (12/03/25)
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  • Software Engineer TS SCI

    Northrop Grumman (Stafford, VA)
    …employees are not only part of history, they're making history. Northrop Grumman, Defense Systems , is seeking a software engineer to work on the Whisper programs ... systems worldwide. Rf Signal equipment and RF microwave engineer to provide our customer with 24 x 7...and maintenance using Java, C and scripting languages in Linux and Windows environments. Assist with all… more
    Northrop Grumman (12/05/25)
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  • Staff Software Engineer (Testing,…

    Zscaler (San Jose, CA)
    …will be responsible for the end-to-end quality and delivery of features targeting Windows and Linux devices. This role requires strong automation development ... cybersecurity. We are looking for a Staff Software Development Engineer to join our Client Connector Team in a...delivery of new features for Zscaler Client Connector on Windows and Linux , collaborating with Development, Product… more
    Zscaler (01/11/26)
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  • Principal Platform Systems Engineer

    Microsoft Corporation (Mountain View, CA)
    …interfaces such as PCIe, DDR, and ethernet. + In depth experience with operating systems ( Windows and/or Linux ), system firmware (BIOS, BMC), and system ... and Infrastructure Engineering (CHIE) team is seeking a highly motivated **Principal Systems Engineer ** to work in a team of other hardware and software… more
    Microsoft Corporation (01/14/26)
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  • Senior ​Information Security Systems

    Leidos (Mountain View, CA)
    **Description** Leidos is seeking a qualified Senior Information Systems Security Engineer (ISSE) to serve as the cybersecurity contact responsible for ensuring ... that assigned federal information systems comply with applicable agency security policies, standards, and...such as CISSP, CAP, CISM, CISA, or GSLC. + Windows , Linux , or MacOS At Leidos, we… more
    Leidos (01/13/26)
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  • Secret Systems Engineer

    Insight Global (Washington, DC)
    …plans and timelines effectively. Experience with distributed computing in either a Linux or Windows environment. Familiarity with atmospheric modeling and sensor ... Job Description Insight Global is seeking a highly motivated System Scientist/ Engineer to support advanced research in infrared imaging, threat detection, and active… more
    Insight Global (01/09/26)
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  • Information Systems Security…

    Nightwing (Sterling, VA)
    …eMASS, XACTA, Nessus, ACAS, or similar. + Strong understanding of networking, operating systems ( Windows / Linux ), and encryption technologies. + Must have ... markets. Nightwing is seeking a highly skilled and motivated Information Systems Security Engineer (ISSE) to join our DevSecOps team in Herndon. The ISSE… more
    Nightwing (12/30/25)
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  • Systems and Infrastructure Engineer

    Walmart (Bentonville, AR)
    …practices and tools such as Jenkins, Docker, or Kubernetes. + Experience with operating systems such as Windows , Linux , or Unix. + Strong understanding ... and distribution centers. **What you'll do ** **Job Title: Systems and Infrastructure Engineer II** **About the Team:** Building the right technology foundation… more
    Walmart (11/27/25)
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  • Principal Software Engineer - Control OS

    Microsoft Corporation (Santa Clara, CA)
    …security, and scale. **Responsibilities** . Define architecture and long‑term roadmap for Linux / Windows Control Plane driver frameworks and interfaces. . Lead ... to CPU-based alternatives. We are seeking a Principal Software Engineer to lead our DPU Runtime (OS) Driver team...+ Extensive experience designing and shipping complex device drivers ( Linux or Windows ) at scale. + Proven… more
    Microsoft Corporation (01/09/26)
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  • OT Network Engineer

    WestRock Company (Covington, VA)
    …Administer and optimize VMware and Hyper\u2011V environments; provision and maintain Windows / Linux VMs for OT applications, historians, and middleware. * ... to historians/SCADA/analytics. * Experience with VMware and/or Hyper\u2011V for virtualization; Windows Server and Linux administration. * Familiarity with AWS… more
    WestRock Company (01/07/26)
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