• Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    …to obtain one within 180 days. + Experience with Windows and Linux operating systems . + Experience providing help-desk end-user support for common desktop ... **MANTECH** seeks a motivated, career and customer-oriented ** Senior IT Systems Administrator** to join...and ability to perform software installations and upgrades to operating systems and layered software packages. +… more
    ManTech (12/03/25)
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  • Cybersecurity Systems Analyst…

    Amentum (Arlington, VA)
    …preferred * Technical background in networking, identity management, Microsoft and Linux operating systems , database, and mobility * Working knowledge of the ... and creating A&A packages. Performs assessment, compliance, and validation of IT systems to support the Cybersecurity program at USSOCOM, its Component Commands,… more
    Amentum (12/28/25)
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  • Senior Mainframe Systems Programmer…

    Ensono (Richmond, VA)
    …on-going projects that require the installation, testing, and implementation of new operating systems and other 'system' software. Includes: Maintenance and ... Senior Mainframe Systems Programmer - zOSRemote - United StatesJR012646 Position Summary The Senior Mainframe Systems Programmer provides support for… more
    Ensono (12/30/25)
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  • Senior Systems Administrator…

    TekSynap (Dahlgren, VA)
    …TheTekSynap is seeking a **S** **enior S** **ystem** **Administrator (Unix/Linux).** The Senior Systems Administrator (Unix/Linux) serves as Key Personnel under ... support for Unix/Linux environments within the Navy enterprise. The Senior Systems Administratoris responsible forconfiguration, optimization, and sustainment… more
    TekSynap (10/31/25)
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  • Sr . Principal Software Engineer

    Oracle (Richmond, VA)
    …and Kubernetes is a plus. + Strong knowledge of data structures, algorithms, operating systems , and distributed systems fundamentals. + Strong ... **Job Description** ** Sr . Principal Member of Technical Staff, OCI Storage**...to learn. **Qualifications** + 10+ year's experience delivering and operating large scale, highly available distributed systems .… more
    Oracle (11/25/25)
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  • Senior Windows Systems Administrator

    Leidos (Arlington, VA)
    …changes to the production environment. + Perform software installations and upgrades to operating systems and layered software packages. + Provide guidance to ... Leidos Digital Modernization Sector is seeking a **_Senior Windows Systems Administrator_** in support of the Air Force National...in lieu of a degree. + 6+ years of Senior level experience in Windows server (Server OS 2019,… more
    Leidos (01/07/26)
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  • Systems Engineer III

    NANA Regional Corporation (Alexandria, VA)
    …a strong background in installing, configuring, and administering Windows Servers and Windows operating systems . + Responsible for the overall systems ... for use in configuration, repair and troubleshooting of hardware, software and network operating systems . + Demonstrate minimum of 5 years working with TCP/IP… more
    NANA Regional Corporation (12/23/25)
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  • Senior Software Engineer

    BAE Systems (Sterling, VA)
    …of Yang + Exposure to Cisco IOS, IOS XR. NX OS and Junos operating systems desired **Preferred Education, Experience, & Skills** + Master's degree + ... **Job Description** BAE Systems , a top-ten prime contractor to the US...complex automation projects and guide junior developers + Experience operating in a CI/CD/DevOps/Agile fast paced environment + Experience… more
    BAE Systems (10/31/25)
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  • Senior Mainframe Systems Programmer…

    Ensono (Richmond, VA)
    …for on-going projects that require the installation, testing, and implementation of new operating systems and other 'system' software. Also, the Maintenance and ... Senior Mainframe Systems Programmer - CMODRemote... Senior Mainframe Systems Programmer - CMODRemote - United StatesJR012293 The...debugging of systems software.. Functional knowledge, use of **CMOD** components and… more
    Ensono (11/13/25)
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  • Senior Network/ Systems Tools…

    Jacobs (Chantilly, VA)
    …in container orchestration technologies like Kubernetes in Linux environments. * Operating Systems : Proficiency in Linux (RHEL) with experience administering ... Knack Works, a Jacobs Company, has an opening for a Senior Network/ Systems Tools Engineer to support the Intelligence Sector. The job duties are as follows: *… more
    Jacobs (01/06/26)
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