• Principal Platform Engineer / Linux

    RTX Corporation (Springfield, VA)
    …that create a safer, more secure world. Raytheon Technologies (RTX) is seeking a Principal Platform Engineer / Linux with well-rounded Linux Infrastructure ... Customer for Technical Exchange Meetings (TEMs) as required. The ** Principal Platform Engineer / Linux ** would be...**What You Will Do** + You will maintain existing systems through Linux -based tools and manage the… more
    RTX Corporation (08/08/25)
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  • Sr Principal Windows Systems

    Northrop Grumman (Dulles, VA)
    …Chief Information and Digital Office (CIDO) organization is seeking an experienced **Sr Principal Windows Systems Administrator** to join its dynamic team ... + DoD 8570 Certification in a primary Operating System ( Windows , Linux , Cisco) + Experience operating under...Linux , Cisco) + Experience operating under and managing systems within NISPOM Chapter 8, DCID 6/3-ICD 503, RMF,… more
    Northrop Grumman (10/03/25)
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  • Principal /Sr Principal Engineer…

    Northrop Grumman (Dulles, VA)
    …Access (SAP/PAR) + US citizen + Diverse programming experience: C/C++, Python, Windows / Linux scripting + Excellent communication skills and ability to work ... of employees and management + Proficiency in software development using C/C++, Python, Windows / Linux scripting + Experience developing software in a Linux more
    Northrop Grumman (09/30/25)
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  • Systems Administrator Principal

    General Dynamics Information Technology (Fort Belvoir, VA)
    …+ Create and plan migration process to support applications hosted by the Windows / Linux systems . + Complete system security checklists, patches, upgrades, ... safe and tomorrow is smarter. **GDIT** seeks a highly motivated and experienced ** Windows Systems Administrator** to support a **Defense Threat Reduction Agency… more
    General Dynamics Information Technology (09/30/25)
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  • Principal Cyber Security Systems

    ManTech (Chantilly, VA)
    …including Juniper, Cisco, F5, and similar platforms + Administering and troubleshooting Windows , Linux , and vendor appliance-based systems to ensure ... MANTECH seeks a motivated, career-driven ** Principal Cyber Security Systems Engineer** to...Kibana) and containerization (Docker, Kubernetes) + Skilled in both Windows and Linux administration + Proficient in… more
    ManTech (08/29/25)
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  • C2 Systems Integration Principal

    SAIC (Hampton, VA)
    …Security Technical Implementation Guide (STIG) assessment results + Comfort navigating Operating Systems ( Windows Server and Client, Linux ), Application ... **Description** SAIC is seeking a C2 Systems Integration Principal based in Hampton, VA! Responsibilities include, but are not limited to: + Leading or… more
    SAIC (10/04/25)
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  • Sr. Principal or Principal

    Boehringer Ingelheim (Ashburn, VA)
    …to drive innovation within the Enterprise Compute team. **Requirements** **_Sr. Principal Systems Engineer:_** Associate degree from an accredited institution ... + Strong knowledge of enterprise IT services, including hardware servers/OS ( Linux Windows ), virtualization ((VMware), storage (SAN/ NAS), databases (Oracle,… more
    Boehringer Ingelheim (09/04/25)
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  • Cyber Software Test Engineer/ Principal

    Northrop Grumman (Chantilly, VA)
    …software systems , including configuring and executing + Knowledge and familiarity with Windows and Linux Operating Systems , specifically the ability to ... a candidate to fill a **Software Test Engineer / Principal Software Test Engineer** position. This position will be...including configuring and executing + Knowledge and familiarity with Windows and Linux Operating Systems ,… more
    Northrop Grumman (09/25/25)
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  • Principal Software Engineer

    BAE Systems (Mclean, VA)
    …collaborative source code management, Agile Development, and DevSecOps + Experience with Windows and Linux Development Environments + Strong communication skills ... across the air, land, sea, space domains in real-time and faster-than-real-time systems + Take ownership of code bases from requirements, design, implementation,… more
    BAE Systems (09/09/25)
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  • Network Engineer Principal

    SAIC (Norfolk, VA)
    **Description** SAIC is looking for a talented **Network Engineer Principal ** to provide communications and networking systems engineering support to the ... Common Data Link (CDL), Link 16, and Joint Tactical Radio System (JTRS). + Windows and Linux system administration skills. + Expertise in network routing &… more
    SAIC (08/27/25)
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