• Systems Administrator

    Arena Technical Resources, LLC (Springfield, VA)
    …- Experience: - At least 3 years of relevant IT experience in operations, network operations center, systems administration, or similar support role. - Working ... Systems Administrator Location: Springfield, VA, US Job ID:...IT Operations career path, with opportunities to grow into senior , principal, and leadership positions as you deepen your… more
    Arena Technical Resources, LLC (01/01/26)
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  • RedHat & AWS SRE

    M. C. Dean (Vienna, VA)
    …interoperability characteristics; test and evaluate technology components; + Producing detailed system design, including network and systems infrastructure, ... Automation: Deep expertise in Red Hat Enterprise Linux (RHEL) systems engineering, including secure configuration, system hardening, and lifecycle… more
    M. C. Dean (11/18/25)
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  • HBSS Administrator

    Leidos (Fort Belvoir, VA)
    …Viewer experience, and ACAS expertise. + Expert with Microsoft Windows, Linux , and system virtualization in a secure network environment. + Must be able to ... Responsibilities:** + Continuous upkeep, monitoring, analysis, and response to Information System , network and security events using Endpoint Security tools… more
    Leidos (12/03/25)
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  • Principal Member of Technical Staff

    Oracle (Richmond, VA)
    …engineers in all relevant areas: Control Plane, Data Plane for connectivity and distributed systems , and Linux daemon development. The day-to-day job on the team ... building and maintaining Linux daemons, secure connectivity solutions, Linux /container technologies, operating systems , and cloud operations and monitoring… more
    Oracle (11/25/25)
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  • Enterprise Logging Solution (ELS) Lead

    Tyto Athene (Ashburn, VA)
    …an applications or systems administrator. + Practical knowledge of Windows and Linux systems administration. + Experience with Linux or Windows scripting ... . + Administer and optimize enterprise IT applications and systems in Windows and Linux environments. +...on Amazon Web Services (AWS). + Serve as a senior Splunk Administrator or Architect, responsible for the configuration,… more
    Tyto Athene (11/01/25)
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  • OCONUS Field Engineer - TS/SCI Polygraph Required

    Leidos (Chantilly, VA)
    …+ Systems Engineering/Administration + Diagnosing and resolving software, hardware, and network problems + Linux Operating System (using command line) ... + Experience with system / network monitoring tools, ie, Cacti, Nagios, Solarwinds - using...tool as well as maintaining the tool itself + Linux system administration to include ability to… more
    Leidos (11/07/25)
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  • Software Developer 3

    Oracle (Richmond, VA)
    …with systems /networking development . 5+ years of experience with network programming . Proficient at programming in **C++** and experience with Python ... development experience with network protocol implementation, or network packet processing . Linux Kernel module... Kernel module level of knowledge . Experience in Linux file systems , kernel, and debugging … more
    Oracle (12/03/25)
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  • Sr. Principal Cyber Software Engineer

    Northrop Grumman (Chantilly, VA)
    …teams. + Deep knowledge of cryptography best practices. + Deep knowledge of Android/ Linux system internals. + Experience with Android/ Linux kernel ... in our shared mission, we'll support expanding your personal network and developing skills, whether you are new to...the best work of your career. **Northrop Grumman Mission Systems ** is seeking an experienced ** Senior Principal… more
    Northrop Grumman (10/21/25)
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  • ABAD Cross Domain Solutions (CDS) Engineer **This…

    Parsons Corporation (Centreville, VA)
    …equivalent DoD experience + 7+ years of experience in DoD cybersecurity, network engineering, or systems engineering + Hands-on experience designing, ... + Network protocols, routing, and enclave boundary security + Linux , RHEL, SELinux, virtualization + Strong written communication for formal DoD documentation… more
    Parsons Corporation (12/19/25)
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  • Red Cell Cyber Analyst

    Amentum (Fort Belvoir, VA)
    …findings to customers, partners, and other stakeholders. + Be able to explain network / system mechanisms to analysts and ground element in order to facilitate ... testing against operational computer networks including experience in Windows Security, Network Security, Linux /Unix Security, Database security, or Mainframe… more
    Amentum (12/09/25)
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