Senior Network Engineer - Datacentre & Security Ops

Telefónica Tech UK&I in the United Kingdom is seeking an L3 Network Engineer to manage and support datacentre network infrastructure and perimeter security. You will maintain configurations, diagrams and inventories while coordinating with internal teams and third-party partners.

Responsibilities include troubleshooting complex network issues, optimizing performance, and day-to-day patching in secure environments to support a scalable, reliable backbone for services across the Telefónica Tech

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