Senior Network ArchitectOur client, a leading global supplier for IT services, requires Senior Network Architect to be based at their client''s office in London, UK.This is a hybrid role - you can work remotely in the UK and attend the London office 2-3 days per week This is a 6+ month temporary contract to start ASAPDay rate: Competitive Market rateSenior Network Security SME and design authority responsible for network segmentation and Zero Trust initiatives across on-prem and hybrid cloud environments. This role owns architecture decisions, enforcement strategy, and senior customer engagement for a large enterprise environment.Key ResponsibilitiesAct as Network Security Design Authority for segmentation and Zero Trust.Design, implement, and optimize network segmentation using Guardicore and Illumio.Own User-to-Server (U2S) and Server-to-Server (S2S) traffic controls.Lead Guardicore -andnbsp;Illumio transition and future-state architecture.Drive segmentation standards, governance, and operational handover.Serve as primary technical interface to senior customer stakeholders.Manage escalations related to enforcement, Legacy dependencies, and risk trade-offs.Act as a Subject Matter Expert (SME) in analysing and visualizing "application" traffic to understand application flows and dependenciesOverseeing the design, implementation, and optimization Network segmentationDeveloping Knowledge of Operations (KOP) and Standard Operating Procedures (SOPs)Key RequirementsEssential Skill