Focused on network optimisation, scaling and systemic problem profiling on edge, core and datacentre networks. Go and Python scripting/coding for turnups; network automation; model and configuration reconciliation; fleet health checks and packet capture analysis. BGP and TCP optimisation. New vendor introductions. OpenConfig. QoS. Identified and profiled many previously unknown but widespread issues in the fleets and worked with vendors and internal teams to resolve them. Proposed a QoS encoding change on my first day which was introduced.

Network scaling, support and troubleshooting of all AWS networks (IP and Optical). Network protocol analysis and optimisation to support growth. SRLG analysis. Authored various proposals around improving convergence, load sharing and resilience.

Network design and support at the Irish National Research and Education Network (NREN).

External consultant providing network security design and administration for an international Government network.

Supporting QoS analysis/estimation solution plus second line support for SEs.

Responsible for clinical and administration servers, network and security across the groups sites.