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Information technology infrastructure specialist

Company: Tata Consultancy Services

Location: guadalajara, London

Posted: May 31, 2026

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Position Details

Job Title
Network Engineer – Level 3 (L3) Job Summary The Network L3 Engineer is a senior technical expert responsible for the design, engineering, implementation, and advanced troubleshooting of enterprise network infrastructure. This role acts as the highest escalation point from L1/L2 teams, leads complex problem resolution, and provides long‑term architectural and operational improvements to ensure network stability, scalability, and performance.
Key Responsibilities Network Engineering & Design • Design and engineer enterprise‑scale network solutions (LAN, WAN, WLAN, Data Center, Cloud connectivity). • Create and maintain logical and physical network designs aligned with enterprise architecture standards. • Translate business and application requirements into actionable network designs and configurations. Implementation & Change Management • Develop and validate network configuration scripts for routers, switches, firewalls, and load balancers. • Execute network changes duri...