Senior Core Network Engineer Cisco & Automation Lead

Oscar is seeking an experienced Senior Core Network Engineer to support a large-scale enterprise network in London, Chester or Bromley. The role requires deep Cisco IOS-XR expertise, network automation, and delivering major infrastructure programmes.

You will design, implement and migrate core network components, lead hardware refreshes, and develop automation using Cisco NSO and modern tooling. Candidates with CCNP/CCIE and IaC experience are preferred.

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