• RWE Clean Energy (Austin, TX)
    …risk status, and strategic progress. + Ensure smooth handoff of systems from Tier 3 project teams into Tier 2 support for long-term operations. + Serve ... direction for the company's OT infrastructure. This role oversees two Tier 2 life-cycle support teams-Networking and Security-responsible for break/fix,… more
    DirectEmployers Association (11/18/25)
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  • CyrusOne (Dfw, TX)
    …in a technical facility maintenance position supporting data center operations. + 7 to 10 years working in Tier 2 , Tier 3 or Tier 4 Data Center(s) or ... (PQS) training + Provides technicalexpertiseandassistanceasrequired + Buildscircuits inan onlinedatabase network management tool, performscircuit audits, andassistsin special projectsasrequired.? +… more
    DirectEmployers Association (01/06/26)
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  • Jet Aviation (Dallas, TX)
    …customer focus are key. Your work is supported by both a safety & training network and a robust operations & management framework, allowing you to tap into expertise ... to Day Operations** + Handle ramp operations while following top- tier safety and quality standards + Provide porter services...hours daily, 7 days weekly. + The 2nd shift ( 2 :00 PM - 10:00 PM) will be the initial… more
    DirectEmployers Association (12/31/25)
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  • Technical Manager - Network and Edge…

    Optiv (Austin, TX)
    …a CCIE Security and at least one other Tier 2 or Tier 3 certification in the network and edge security domain (CCNP/CCIE equivalents) + \#LI-GN1 ... The Technical Manager for Network and Edge Security is a senior technical...programs and related security technologies. * Provide oversight on 2 -10 concurrent engagements, ensuring both technical and business outcomes… more
    Optiv (11/07/25)
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  • Tier 3 Level Systems Administration…

    Koniag Government Services (San Antonio, TX)
    **Koniag Data Solutions, LLC,** a Koniag Government Services company, is seeking a Tier 3 Level Systems Administration Support Services to support KDS and our ... Defense Health Agency's systems administration services across its global network of military hospitals, medical clinics, and dental clinics....complex system issues, serving as the escalation point for Tier 1 and Tier 2 more
    Koniag Government Services (10/24/25)
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  • Tier 3 NOC Engineer - Fortinet

    Comcast (Plano, TX)
    …of internetworking designs and their applications and routing + Solid knowledge of Layer 2 and Layer 3 internetworking technologies + 5 to 8 years' experience ... sizes prepare for what's next. Powered by the nation's largest Gig-speed broadband network and backed by 24/7 customer support, Comcast Business is the nation's… more
    Comcast (01/09/26)
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  • Network Development Engineer

    Oracle (Austin, TX)
    …Demonstrated progressive increase in role specific responsibilities and associated complexities. + 3 + years of experience in Virtual Cloud Network technologies ... for new services. **Additional preferred skills and experience:** + 3 + years Data Center based network ...2 . Short term disability and long term disability 3 . Life insurance and AD&D 4. Supplemental life insurance… more
    Oracle (12/21/25)
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  • Network Developer 4

    Oracle (Austin, TX)
    …properly supported by monitoring and automation systems. + Serve as Tier 2 or specialized escalation point for network events, providing break-fix support ... **Job Description** We are the AI Infrastructure - Network Operations team at OCI. We support and...2 . Short term disability and long term disability 3 . Life insurance and AD&D 4. Supplemental life insurance… more
    Oracle (12/19/25)
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  • Sr. Network Reliability Engineer

    Oracle (Austin, TX)
    …medical opinion 2 . Short term disability and long term disability 3 . Life insurance and AD&D 4. Supplemental life insurance (Employee/Spouse/Child) 5. Health ... The Oracle Cloud Infrastructure (OCI) delivers mission-critical applications for top tier enterprises around the world. Our cloud offers unmatched hyper-scale,… more
    Oracle (01/10/26)
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  • Principal Network Reliability Engineer…

    Oracle (Austin, TX)
    …medical opinion 2 . Short term disability and long term disability 3 . Life insurance and AD&D 4. Supplemental life insurance (Employee/Spouse/Child) 5. Health ... The Oracle Cloud Infrastructure (OCI) delivers mission-critical applications for top tier enterprises around the world. Our cloud offers unmatched hyper-scale,… more
    Oracle (11/25/25)
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  • Principal Network Reliability Engineer…

    Oracle (Austin, TX)
    …medical opinion 2 . Short term disability and long term disability 3 . Life insurance and AD&D 4. Supplemental life insurance (Employee/Spouse/Child) 5. Health ... The Oracle Cloud Infrastructure (OCI) delivers mission-critical applications for top tier enterprises around the world. Our cloud offers unmatched hyper-scale,… more
    Oracle (12/21/25)
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  • Network Delivery Engineer

    Colossal Contracting, LLC (Bullard, TX)
    …US. The Delivery Engineer will provide planning, design, configuration, deployment, and tier III network troubleshooting support to our government customers with ... Network Delivery Engineer Fully Remote * MD *...once or twice a month and may last between 2 to 3 days. Frequency and length...month and may last between 2 to 3 days. Frequency and length may fluctuate depending on… more
    Colossal Contracting, LLC (12/02/25)
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  • Senior Cloud & Network Solutions Architect…

    Cognizant (Dallas, TX)
    …wherever possible. Based on this role's business requirements, this is a hybrid position requiring 2 to 3 days a week in a client or Cognizant office in ... **Senior Cloud & Network Solutions Architect** **(Hybrid** ) About the role...and deliver large-scale cloud-native and digital transformation solutions for Tier 1 telecom operators. . Design and implement interoperable… more
    Cognizant (01/03/26)
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  • Software Developer 3 : Senior Software…

    Oracle (Austin, TX)
    …medical opinion 2 . Short term disability and long term disability 3 . Life insurance and AD&D 4. Supplemental life insurance (Employee/Spouse/Child) 5. Health ... speed and attitude of a start-up, with the scale and customer-focus of the top tier enterprise software company in the world. Values are OCI's foundation and how we… more
    Oracle (01/14/26)
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  • Sr IT Systems Engineer - Pub SEC

    Lumen (San Antonio, TX)
    …security technologies is required. + Requires fluent understanding of Layers 1/ 2 / 3 inter-dependences and IP proficiency. + Simple Network Management Protocol ... **The Role** The IT Systems Engineer II provides advanced Tier II support by troubleshooting and repairing network...Server, EIQ SecureVue, Neuralstar. + Working knowledge for layer 2 , 3 , and 4 data networking. +… more
    Lumen (01/06/26)
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  • Director, Cyber Recovery - REMOTE

    Molina Healthcare (Austin, TX)
    …the Cyber Recovery and Chaos Engineering Programs. + Conduct annual validation of all Tier 0 through Tier 2 Applications for recoverability and functionality ... within required, and agreed, business timescales. The functions covered are: 1. Development, 2 . PMO, 3 . Testing, 4. Maintenance, 5. Service Training, 6.… more
    Molina Healthcare (11/23/25)
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  • Senior Optical Engineer

    Oracle (Austin, TX)
    …managers) and provides focused development to junior member. Serves at Tier 3 or specialized escalation point for network events and provides break-fix ... software/firmware design. It may encompass operational support at the Tier 3 level as well as product...2 . Short term disability and long term disability 3 . Life insurance and AD&D 4. Supplemental life insurance… more
    Oracle (12/20/25)
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  • System Administration Basic Services

    BEAT LLC (San Antonio, TX)
    …Fundamentals or Microsoft Certified: Azure Fundamentals Position Description: The Tier 2 Systems Administrator provides enterprise-level operations and ... tools (eg, SCOM, MECM dashboards), escalating issues as necessary. Collaborate with Tier 3 Administrators and Engineering teams to implement corrective actions,… more
    BEAT LLC (12/21/25)
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  • Telecommunications Engineer, AACU Systems Security

    American Airlines (Fort Worth, TX)
    …add/moves/changes, edge servers, gateways, E911 + Act as escalation point ( Tier 3 ) for all Credit Union network Contact Center, VOIP, WebRTC, telecom ... mature phone/ticket escalation processes regarding voice infrastructure to provide Tier 1 and Tier 2 ...issues reported by in-office and remote users + Troubleshoot network issues with circuits, SDwan, routers/switches and other … more
    American Airlines (01/16/26)
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  • Senior Systems Analyst

    Houston Forensic Science Center, Inc (Houston, TX)
    …and infrastructure security. + Provide Tier 2 and Tier 3 technical support for escalated network issues including WAN, LAN, VPN, Wi-Fi, and firewall ... firewalls and wireless infrastructure is essential. + Proficiency in troubleshooting layer 2 / 3 issues and understanding routing and switching protocols. +… more
    Houston Forensic Science Center, Inc (01/03/26)
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