• Critical Environments Operator II

    CyrusOne (Sterling, VA)
    …to preserve the reliability of the critical load. Also provides operational support for building systems of other facilities as assigned. Responsible for carrying ... provided **Qualifications:** + 3 to 5 years working in Tier 2, Tier 3 or Tier...or HVAC/R training program or from working in a technical facility maintenance position supporting data center operations +… more
    CyrusOne (10/24/25)
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  • Critical Environments Operator III

    CyrusOne (Sterling, VA)
    …to preserve the reliability of the critical load. Also provides operational support for building systems of other facilities as assigned. Responsible for carrying ... or HVAC/R training program or from working in a technical facility maintenance position supporting data center operations. +...center operations. + 5 to 7 years working in Tier 2, Tier 3 or Tier more
    CyrusOne (10/16/25)
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  • Test Specialist

    ManTech (Stafford, VA)
    …include but are not limited to:** + Provide dedicated Field Test Support to flight testing and experimentation; troubleshoot technical issues, ... join our team in Stafford, VA. This position will support Marine Corps Warfighting Laboratory (MCWL) efforts to research,...on flight data to verify aircraft performance. + Assist Engineer Team in preparing Test Plans, Deliberate Risk Assessment… more
    ManTech (01/06/26)
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  • Repair Technician, Senior

    BOOZ, ALLEN & HAMILTON, INC. (Stafford, VA)
    Repair Technician, Senior The Opportunity: As a Technical Support Engineer , you will be a member of a technically versatile team of engineers, analysts, and ... and Outlook + Secret clearance + Bachelor's degree and 1+ years of experience with Tier I technical support , or 5+ years of experience with Tier I … more
    BOOZ, ALLEN & HAMILTON, INC. (12/22/25)
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  • Systems Administrator (2nd shift), TS/SCI…

    General Dynamics Information Technology (Mclean, VA)
    …SYSTEMS ADMINISTRATOR WILL MAKE AN IMPACT:** + Work with collaborative teams to support technical activities that impact mission critical systems, software, and ... a systems administrator with a strong aptitude to troubleshoot Tier 1 technical problems in real-time both...properly configured and running to meet customer needs + Support team members, end users, and other engineer more
    General Dynamics Information Technology (01/05/26)
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  • Senior Systems Administrator

    TekSynap (VA)
    …direction to align with business vision. + Provides local and remote maintenance support to various operational systems deployed at more than one location. + ... Support includes general maintenance, upgrades, and new installs of...and resource optimization, and user assistance. + Applies advanced technical knowledge of application networking, including load balancing applications,… more
    TekSynap (11/15/25)
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  • Middleware Team Lead w/Secret Clearance

    TekSynap (Radford, VA)
    …and maintenance of middleware software supporting customer applications. + Architect and engineer mid- tier infrastructure for a mixed environment that includes ... Apache, Tomcat, WebLogic, and WebSphere. + Manage operating system configurations and mid- tier components to ensure high availability and performance. + Schedule and… more
    TekSynap (10/25/25)
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  • Windows System Administrator 2

    M. C. Dean (Falls Church, VA)
    …+ Resolve complex system issues for physical security systems and networks. + Triage customer support calls, providing Tier 1 help desk support and Tier ... will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and...success in this role. + Manage physical security system support to meet service level agreements. + Analyze physical… more
    M. C. Dean (12/23/25)
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  • Help Desk System Specialist 1

    M. C. Dean (Vienna, VA)
    support mailbox from end users and stakeholders. + Triages incoming issues to support ticket creation and assignment per tier level. + Follows up with ... will join forces with more than 5,800 professionals who engineer and deploy automated, secure and resilient power and...As part of a multidisciplinary team, you will provide support to mission customers by capturing and triaging incoming… more
    M. C. Dean (11/26/25)
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  • Windows System Administrator 1

    M. C. Dean (Falls Church, VA)
    …(IT) systems in support of the endpoint devices. The position provides Tier 1 helpdesk support . Main responsibilities include but are not limited to: ... and patching to ensure compliance with Information Assurance (IA) standards. + Support application of Security Technical Implementation Guides (STIGs) to Windows… more
    M. C. Dean (12/23/25)
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