• Lead Senior Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, mission-oriented ** Senior Systems Administrator** to join our team in **Chantilly, VA.** As the Lead Senior Systems ... limited to:** + Lead and supervise a team of system administrators (Windows/ Linux /VMWare) and IT support staff....or high school diploma/GED and 13 years of relevant systems administration experience with 3 + years… more
    ManTech (12/19/25)
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  • SAP NS2 Senior Cloud Engineer/…

    SAP (Herndon, VA)
    …cloud relevant data serialization languages such as JSON and YAML. + Proven strong system administration experience. + 5 years of experience with Linux ... software development would be an added advantage. + Industry recognized system administration certification **Additional Requirements** + BA/BS Degree is… more
    SAP (10/21/25)
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  • Senior Network Engineer

    BAE Systems (Sterling, VA)
    …and application performance optimization functions across internal and customer systems . Additional responsibilities include: + Provide network administration ... **Job Description** BAE Systems , a top ten prime contractor to the...and Firepower Threat Defense (FTD), as well as managing Windows/ Linux servers, LiveAction, VMware, and security hardware and software.… more
    BAE Systems (12/12/25)
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  • Senior Systems Administrator (S)

    SimIS Inc. (Dahlgren, VA)
    …the listed position and is contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a ... systems and training environments Experience Required: + Eight (8) years of systems administration experience with three (3) years in leadership roles +… more
    SimIS Inc. (12/22/25)
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  • Cybersecurity Systems Analyst…

    Amentum (Arlington, VA)
    …US Combatant Commands (USCENTCOM/USSOCOM) is desired. * Technical background with system administration experience, architecture and engineering preferred * ... perform assessments using the Security Content Automation Protocol tool. The Cybersecurity Systems Analyst will liaison with network and system administrators to… more
    Amentum (12/28/25)
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  • Senior Network Engineer

    SAIC (Norfolk, VA)
    … (JTRS). + Experience working in a NCTAMS is highly desired. + Windows and Linux system administration skills. + Expertise in network routing & switching ... communications command in **Norfolk, VA** , focusing on the Automated Digital Networking System (ADNS) program. **ROLE OVERVIEW:** As a Senior Network Engineer,… more
    SAIC (11/22/25)
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  • Senior Systems Engineer, AWS Managed…

    Amazon (Herndon, VA)
    …and efficiency to operate AWS Regions. Amazon is looking for highly motivated Senior Systems Engineers who can balance the day-to-day operations of AWS' ... the forefront. Basic Qualifications - 8+ years of relevant systems engineering, or systems administration ...Engineering (SRE) or Enterprise Production experience in Windows / Linux or similar environments - 3+ years' experience operating… more
    Amazon (12/09/25)
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  • Senior Network Engineer

    BAE Systems (Sterling, VA)
    …) issues and software development. + Proven success working as a DEVOPs systems engineer and technical admin . + Agile Methodology and continuous improvement ... **Job Description** BAE Systems , a top-ten prime contractor to the US...be available based on position level and/or job specifics. ** Senior Network Engineer** **117838BR** EEO Career Site Equal Opportunity… more
    BAE Systems (10/31/25)
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  • Senior Systems Administrator

    Leidos (Chantilly, VA)
    …with the Cloud / Amazon Web Services + Must be able to support System Administration /Privileged Access duties including an on-call rotation for a week ... **Description** Leidos is seeking a System Administrator for a technical development program supporting...of degree + Must be an expert in using Linux -based operating systems + Must have strong… more
    Leidos (01/09/26)
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  • Senior Architect, OpenShift - FSI

    Red Hat (Richmond, VA)
    …Software Defined Storage technologies. + Extensive experience with Red Hat Enterprise Linux (RHEL) administration and design + Virtualization platforms utilizing ... Hat Financial Services Consulting Services team is seeking a Senior Architect. In this role, you will earn the...+ 5+ years of experience with Public Cloud and Linux technologies + 3+ years of experience with automation… more
    Red Hat (01/03/26)
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