• Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior** **IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include ... Appropriate ND 50-05/DoD 8570.01-M certification. + Experience with Windows and Linux operating systems. + Experience providing help-desk end-user support for common… more
    ManTech (07/22/25)
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  • OCI Administrator

    System One (Ashburn, VA)
    …experience with Windows Server 2016 - 2022 or Red Hat Enterprise Linux 7-9 engineering and administration. * Ability to perform troubleshooting of the Windows ... Server or Red Hat Enterprise Linux operating systems. * BS or equivalent experience in programming on enterprise or department servers or systems Ref:… more
    System One (06/10/25)
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  • Senior Systems Administrator (S)

    SimIS Inc. (Dahlgren, VA)
    …distributed teams across multiple geographic locations + Experience managing Windows and Linux server environments + Knowledge of network security, firewalls, ... and intrusion detection systems + Experience with virtualization technologies and cloud computing platforms + Demonstrated experience with DoD cybersecurity requirements and accreditation processes + Use experience gained to help manage complex technical… more
    SimIS Inc. (06/23/25)
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  • Enterprise Senior Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …Abilities:** + Experience with DISA STIGs and their relation to Windows, Linux , and VMWare Operating Systems security. + Intermediate experience with PowerShell ... and deployment. + Prior experience building, deploying, and administrating Windows Server 2016-2022. + Experience with providing Active Directory Domain Services and… more
    General Dynamics Information Technology (05/31/25)
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  • United States Postal Service (USPS) Incumbent…

    General Dynamics Information Technology (Fairfax, VA)
    …+ Materials Engineering + Middleware + Kafka Platform Engineer + WebSphere Application Server Specialist + Network Engineer/ Administrator + Cisco ISE Engineer + ... DNS/DHCP Network Engineer + Microsoft Power BI Developer + Principal Unix/ Linux Systems Administrator + VPN Network Engineer + Wi-Fi Engineer + Open-Source… more
    General Dynamics Information Technology (07/02/25)
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  • Telephony Engineer

    ManTech (Mclean, VA)
    …systems (VoIP, analog, ISDN) and voice media gateway integration. + Proficiency in Linux server management (Ubuntu, CentOS) and scripting languages (Korn shell, ... + Knowledge and hands on experience with telephony systems and Linux server management, including installation, configuration, troubleshooting, and performance… more
    ManTech (07/10/25)
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  • Information System Security Engineer (ISSE)

    Assertive Professionals (Chantilly, VA)
    … 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016. + Securing and monitoring Linux & Microsoft Windows desktops, servers, and ... working understanding of the latest networking communications and protocols, server technologies, application technologies, and security vulnerabilities, organizing and… more
    Assertive Professionals (07/10/25)
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  • SiteOps Data Center Production Operations Engineer

    Meta (Henrico, VA)
    …to their success. We seek an IT professional with advanced, hands-on technical skills in server hardware and Linux - ideally in a Data Center environment. Having ... broad knowledge of server administration and participating in projects in a large-scale...an infrastructure environment, in a role such as Systems Administrator , DevOps Engineer, or Site Reliability Engineer 19. Intermediate-level… more
    Meta (07/10/25)
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  • Software Developer (Part-Time)

    Parsons Corporation (Mclean, VA)
    …+ Knowledge and hands on experience with telephony systems and Linux server management, including installation, configuration, troubleshooting, and performance ... our team! In this role you will get to **leverage your expertise in Linux systems, Ruby programming, Ruby on Rails, and telephony systems to design, develop, and… more
    Parsons Corporation (07/12/25)
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  • Platform/Infrastructure Engineer

    Nightwing (Sterling, VA)
    …Tier 2/3 escalation. Required Skills: + Operating Systems: Strong understanding of Linux and/or Windows Server operating systems. + Networking: Knowledge of ... Linux Certifications: Linux Professional Institute (LPI), Certified Linux System Administrator (CLSA). + Infrastructure-as-Code Certifications: Terraform… more
    Nightwing (06/27/25)
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