• System Engineer Manager - Hosting

    Leidos (Camp Springs, MD)
    …leading the day-to-day engineering and operations of critical Windows, Unix, and Linux hosting platforms for USCIS. This role involves direct technical leadership, ... + Lead the day-to-day engineering activities for Windows, Unix, and Linux hosting platforms. + Conduct design reviews, system integrations, and develop… more
    Leidos (12/06/25)
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  • Principal/Sr Principal HPC Systems Engineer

    Northrop Grumman (Jessup, MD)
    …+ Demonstrated experience analyzing and responding to customer requirements + Strong Linux systems administration proficiency (RHEL nice to have) + Strong knowledge ... cluster hardware + Experience directing technical work of a small team of Linux Systems Administrators + Strong written and verbal communication skills + _Candidate… more
    Northrop Grumman (12/05/25)
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  • Principal / Sr. Principal HPC Network Engineer

    Northrop Grumman (Jessup, MD)
    …PhD. Will consider 4 years additional experience in lieu of degree. + Strong Linux (Red Hat) proficiency + Strong knowledge and experience with concepts of network ... Experience directing technical work of a small team of Linux Systems Administrators + Candidate must be a US...years additional experience in lieu of degree. + Strong Linux (Red Hat) proficiency + Strong knowledge and experience… more
    Northrop Grumman (12/05/25)
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  • Senior Unix System Administrator

    SMX (Patuxent River, MD)
    …Center (PRDC). This individual will work alongside a team of UNIX/ Linux Systems Administrators responsible for maintaining the integrity, availability, and security ... multiple Department of Defense (DoD) enclaves + Mentor and support junior UNIX/ Linux System Administrators by providing technical guidance on task execution, project… more
    SMX (12/04/25)
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  • Software Developer 3

    Oracle (Annapolis, MD)
    …at programming in **C++** and experience with Python . Proficient with ** Linux ** . Proficient in **Networking** . Bachelor's in computer science and Engineering ... with network protocol implementation, or network packet processing . Linux Kernel module level of knowledge . Experience in... Kernel module level of knowledge . Experience in Linux file systems, kernel, and debugging Linux more
    Oracle (12/03/25)
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  • Suricata Engineer - Active TS/SCI with CI Poly

    ENS Solutions (College Park, MD)
    …Suricata within a complex enterprise IT environment, primarily running on Red Hat Enterprise Linux . A key focus of this role will be tuning Suricata to operate ... and operational issues specific to Suricata on Red Hat Enterprise Linux , addressing compatibility, kernel module requirements, SELinux policies, and performance… more
    ENS Solutions (11/26/25)
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  • Senior Software Development Engineer

    Oracle (Annapolis, MD)
    …at least 4+ years of experience in developing network applications on the server-side with Linux , and client-side on at least one of Linux , Windows, MacOS/iOS or ... traffic routing , Security(data Encryption, PKI). + Strong understanding of the Linux network-stack and user-space network stacks (like LWIP). + Experience in… more
    Oracle (11/25/25)
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  • Architect, Lightweight Infrastructure

    Oracle (Annapolis, MD)
    …and serverless workloads * Work across multiple domains-virtualization, Linux internals, container networking (CNI), cloud virtual networking, distributed ... scalable, distributed systems and infrastructure platforms * Deep understanding of Linux internals, Linux networking, and resource management technologies *… more
    Oracle (11/25/25)
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  • Secret Senior ISSE

    Insight Global (Belcamp, MD)
    …(Docker/Kubernetes). Responsibilities include heavy scripting (Python, Bash, PowerShell), Linux hardening and troubleshooting, patch management using Landscape and ... should hold at least Security+ (CISSP/CASP preferred) and bring journeyman-to-expert Linux expertise. This position supports the development of a new Software… more
    Insight Global (11/20/25)
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  • Sr. System Administrator II (Temp)

    RTX Corporation (Annapolis Junction, MD)
    …experienced Systems Administrator to join our team supporting critical operations in both Linux and Windows environments. In this role, you'll ensure our systems are ... minimum 3 years experience. + Configuration and troubleshooting in Linux and Windows + Creating, modifying and deleting user...deleting user accounts and groups as well as integrating Linux systems into an Active Directory environment + Planning… more
    RTX Corporation (11/19/25)
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