• Network Engineer Tier 3

    CACI International (San Antonio, TX)
    Network Engineer Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... ongoing basis. **Opportunity:** Team CACI is seeking a Senior Network Engineer to support an Intelligence Community customer's diverse network infrastructure,… more
    CACI International (10/25/25)
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  • Tier 3 Level EM Development…

    Koniag Government Services (San Antonio, TX)
    **Koniag Data Solutions, LLC,** a Koniag Government Services company, is seeking a Tier 3 Level EM Development and Testing Support Services to support KDS and ... in enterprise-level software development and testing, with at least 5 years in a Tier 3 or equivalent senior technical role. + Should have extensive experience… more
    Koniag Government Services (09/17/25)
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  • Sr. Cloud Network Security Engineer

    Aspira Connect (Dallas, TX)
    …resilient, scalable, and compliant cloud networking solutions, while providing Tier 3 technical depth to the broader security and operations teams. This ... Sr. Cloud Network Security Engineer Aspira | IT Operations...and suspicious traffic. + Act as Tier 3 escalation point for complex network/ security incidents,… more
    Aspira Connect (09/10/25)
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  • Sr IT Systems Engineer - Pub SEC

    Lumen (San Antonio, TX)
    …digitally connect the world and shape the future. **The Role** The IT Systems Engineer II provides advanced Tier II support by troubleshooting and repairing ... committed to teamwork, trust and transparency. People power progress. We're looking for top- tier talent and offer the flexibility you need to thrive and deliver… more
    Lumen (10/28/25)
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  • Journeyman Network Engineer

    GovCIO (Fort Bliss, TX)
    …is currently hiring for Network Engineer with an active Secret clearance to provide Tier 3 support. This position will be located in El Paso, Texas and will ... be a fully remote position. **Responsibilities** + Provide Tier 3 support as well as design,...broker (UCS Director). **Qualifications** High School with 0 - 3 years network engineer (or commensurate experience)… more
    GovCIO (10/22/25)
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  • Network Delivery Engineer

    Colossal Contracting, LLC (Bullard, TX)
    …Delivery Engineer will provide planning, design, configuration, deployment, and tier III network troubleshooting support to our government customers with a focus ... Network Delivery Engineer Fully Remote * MD * Engineering Job...a wide range of network and performance management tools, security tools and appliances, layer two technologies, wireless communications,… more
    Colossal Contracting, LLC (09/02/25)
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  • Storage & COMMVAULT Engineer

    BAE Systems (Dallas, TX)
    …Description** BAE Systems seeks a Cloud Storage/CommVault Backup systems engineer with extensive knowledge and experience in developing, configuring, implementing, ... Cloud Storage and CommVault backup and recovery (COOP) operations. The engineer will provide technical support for a large-scale federal government enterprise… more
    BAE Systems (10/21/25)
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  • Project Engineer I (Hybrid)

    Sierra Nevada Company, LLC (Plano, TX)
    The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and ... about NC3 and SAOC here (https://www.sncorp.com/capabilities/nc3-systems/) . As a Project Engineer I, you'll support SAOC training systems to implement an integrated… more
    Sierra Nevada Company, LLC (09/19/25)
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  • Military Fellowship Program: Product Support…

    Sierra Nevada Company, LLC (Fort Bliss, TX)
    …for veterans who have already separated from the military. As a Product Support Engineer , you will be using your skills and hands-on expertise to provide technical ... affordable, turn-key command/control, communications, integrated ISR, force protection and security solutions worldwide. The MST team has a long...of the most innovative US companies in space, a Tier One Superior Supplier for the US Air Force,… more
    Sierra Nevada Company, LLC (10/03/25)
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  • Project Engineer I

    Sierra Nevada Company, LLC (Plano, TX)
    The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and ... mission to unify, explore and inspire. As a Project Engineer I, you'll implement an integrated plan for product...**The ability to obtain and maintain a Secret US Security Clearance is required** **Qualifications We Prefer:** + Typically… more
    Sierra Nevada Company, LLC (08/29/25)
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