• Software Engineer II

    Sierra Nevada Company, LLC (Herndon, VA)
    …and troubleshooting of systems and software throughout our development process. Your technical duties involve the design and development of new software products ... of the most innovative US companies in space, a Tier One Superior Supplier for the US Air Force,...We provide leading edge technologies and transformative solutions that support our nation's most critical security needs. If you… more
    Sierra Nevada Company, LLC (08/08/25)
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  • Master Network Specialist (INS Technical…

    First Division Consulting (Quantico, VA)
    …a Department of Defense (DoD) environment, providing technical direction and oversight for Tier II and Tier III operations. + Oversee the configuration, ... Division Consulting is seeking a Master Network Specialist (INS Technical Lead) to support the United States...senior technicians in a DoD network environment, specifically supporting Tier II - Tier III… more
    First Division Consulting (09/09/25)
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  • Primary Technical Control Facility Lead

    Competitive Range Solutions, LLC (Arlington, VA)
    …transport equipment and networks, and ensure compliance with security standards. + Oversee 24x7x365 Tier I and II maintenance support on all TCF equipment, ... with DoD policies. + Designate node site coordinators to support DoS worldwide missions and maintain the technical...management. + Must have knowledge of operating and maintaining Tier 2 Tech Control Helpdesk. + Ability to provide… more
    Competitive Range Solutions, LLC (08/07/25)
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  • Systems Administrator - NETTN Support

    Huntington Ingalls Industries (Virginia Beach, VA)
    …perform root cause analysis, escalate technical issues appropriately, and deliver Tier 2/3 support + Strong written and verbal communication skills, ... systems + Support system configurations in compliance with DoD Security Technical Implementation Guides (STIGs) + Create and update automation scripts to enhance… more
    Huntington Ingalls Industries (07/12/25)
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  • IT Engineer - Microsoft Enterprise Systems…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …strong experience in both **Microsoft Enterprise Systems and Linux administration** to provide ** Tier II support ** for a large Federal Intelligence Agency. ... ensure consistent system performance and operational reliability. **Key Responsibilities:** + Provide ** Tier II support ** for incident resolution and user… more
    General Dynamics Information Technology (07/16/25)
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  • Systems Administrator (SME)

    BAE Systems (Herndon, VA)
    …close support problem identification, diagnosis, and resolution, or escalate to Tier II onsite troubleshooting + Investigate and resolve customer problems + ... our freedom. We are seeking a highly experienced Systems Admin SME to provide Tier I & II problem identification, diagnosis, and resolution for complex IT… more
    BAE Systems (09/12/25)
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  • Sr. Systems Engineer

    Leidos (Fort Belvoir, VA)
    …consisting of Linux and Windows Servers. + Provide advice, technical consultation, and Tier 3/ Tier 4 support guidance by analyzing and resolving problems ... **Description** Leidos is seeking a **Sr. Systems Engineer** to support large-scale migration and operations on a large, high-profile DOD contract. The I3TS program… more
    Leidos (10/03/25)
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  • Active Directory Engineer/SME

    SMX (Quantico, VA)
    …administrative activities and provide a weekly status report + Coordinate incident tickets between Tier II and III sections as well as other sections as required ... technologies as applicable. The Active Directory Engineer will provide Tier III level Active Directory support and...+ Provide documentation, guidance and instruction to Tier II , and service desks for handling… more
    SMX (09/09/25)
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  • Customer Support Specialist

    SOS International LLC (Fort Belvoir, VA)
    …to better support the government customer environment. + Provide technical support during product demonstrations, conduct training of government end ... support of our government customer. The Customer Support Specialist will provide technical assistance and...issue resolution. + Diagnose, develop, resolve, and/or escalate ARIMS Tier 1/2 application support issues from end… more
    SOS International LLC (09/17/25)
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  • Service Center Frontline Account Manager

    CACI International (Chantilly, VA)
    …Service Center, the Frontline Account Manager will: Key Responsibilities: Provide first-level technical support in a 24x7 world-class service center, responding ... resolution. As a Frontline Account Manager, you will provide Tier 1 support via phone, email, and...for common incidents; escalate complex or critical issues to Tier 2 or appropriate technical teams. Analyze,… more
    CACI International (09/30/25)
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