• Mid- Senior Network Engineer

    Infinity Systems Engineering (Alexandria, VA)
    …be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a broad scope ... and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security, troubleshooting, management). + Maintain secure high… more
    Infinity Systems Engineering (01/03/26)
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  • Senior Principal Azure Cloud Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated and experienced ** Senior Principal Azure Cloud Engineer** to join our team in **Chantilly, VA.** In this role, you will support ... + Implementing Azure security best practices and managing Windows and Linux servers + Leveraging Azure data services and containerization technologies alongside… more
    ManTech (12/16/25)
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  • Enterprise Logging Solution (ELS) Lead

    Tyto Athene (Ashburn, VA)
    …with a strong emphasis on Amazon Web Services (AWS). + Serve as a senior Splunk Administrator or Architect, responsible for the configuration, maintenance, and ... **Qualifications** **Required:** + Minimum 5 years' experience as a senior Splunk Administrator or Architect. + Strong...in enterprise IT environments as an applications or systems administrator . + Practical knowledge of Windows and Linux… more
    Tyto Athene (11/01/25)
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  • Technical Lead - Poly Clearance Required

    General Dynamics Information Technology (Chantilly, VA)
    …Program Delivery and Execution **Skills:** High Performance Computing (HPC),Storage Linux ,System Administration **Experience:** 10 + years of related experience **US ... the existing and future system leveraging your knowledge of Linux and Windows system administration, virtualization with VMWare and...needs to the users. This role also is a senior technical resource contributing to the daily operations of… more
    General Dynamics Information Technology (12/29/25)
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  • OCONUS Field Engineer - TS/SCI Polygraph Required

    Leidos (Chantilly, VA)
    **Description** We are seeking mid to senior field engineers to join our international team in an exciting OCONUS location. The team is made-up of highly technical ... will have prior experience as either a systems engineer or systems administrator . Prior OCONUS experience and IP networking knowledge are desired. The program… more
    Leidos (11/07/25)
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  • UNIX Systems Engineer

    GovCIO (Richmond, VA)
    …VA and will be a remote position. **Responsibilities** This position is for a Senior UNIX System Engineer for a mixed and growing environment of Red Hat Enterprise ... Linux /Oracle Enterprise Linux and Solaris UNIX. This...date. + 5+ yrs experience as a Unix Systems Administrator or IT Engineer with experience in automating assigned… more
    GovCIO (12/24/25)
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  • Sr Citrix/Windows Engineer

    General Dynamics Information Technology (Chantilly, VA)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** Senior Citrix/Windows Engineer We are seeking a skilled Senior Citrix/Windows ... Experience: 8-10 years of hands-on experience as a Windows Systems Administrator /Engineer. Proven expertise managing Windows Workstations and Servers in a tiered… more
    General Dynamics Information Technology (12/29/25)
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  • Enterprise Logging Solution Lead

    ManTech (Ashburn, VA)
    …+ Experience in an enterprise IT environment as an applications or systems administrator working in Windows and Linux environments. + Experience with cloud ... be able to communicate, converse, and exchange information with peers and senior personnel + Constantly operates a computer and other office productivity machinery,… more
    ManTech (12/07/25)
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  • Incident Response Deputy Team Lead

    Leidos (Ashburn, VA)
    …deliver technical presentations to various levels of customer leadership. + Interface with senior DHS & CBP leaders and directors to help maintain and sustain ... complex, and interrelated project tasks. + Experience effectively communicating at senior levels within a customer organization. + Advanced knowledge of the… more
    Leidos (12/03/25)
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  • Principal Architect, Cloud Engineering…

    Oracle (Richmond, VA)
    …certifications such as CCIE/CCNP, JNCIE/JNCIP or others. .Experience with Linux , network monitoring and telemetry solutions. .Experience with automation frameworks ... Professional AWS Certified Advanced Networking - SpecialtyMicrosoft Certified: Azure Administrator Associate (AZ-104) Microsoft Certified: Azure Solutions Architect Expert… more
    Oracle (12/22/25)
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