Korn Ferry
Sheffield, Yorkshire
22/09/2026
Contractor
Location: Sheffield - Hybrid, 2-3 days onsite per week Contract: 12 months Rate: Up to £750 per day Inside IR35 We are looking for an experienced Senior Technical Lead to join a major enterprise platform modernisation and migration programme within a large, complex organisation. The successful candidate must have strong expertise across both VMware vSphere and Red Hat OpenShift, alongside experience leading large-scale technology migration or platform modernisation initiatives. Key Responsibilities Lead and take ownership of a defined technology domain or migration workstream. Drive enterprise-scale migration and platform modernisation activities. Own technical direction, key decisions and delivery outcomes. Provide technical leadership while remaining hands-on when required . Coordinate across engineering, architecture, infrastructure, operations and programme teams. Identify and resolve technical blockers, risks and dependencies. Lead technical discussions and challenge engineering and architecture decisions constructively. Represent the workstream within technical reviews, governance and senior leadership forums. Essential Experience Candidates must demonstrate: Deep hands-on VMware vSphere experience within large enterprise virtualisation environments. Deep hands-on Red Hat OpenShift experience within enterprise container platforms. Strong experience with Kubernetes and container technologies . Proven experience leading large-scale technology migrations or platform modernisation programmes . Experience owning technical delivery rather than operating solely in an advisory or architecture capacity. Strong infrastructure/platform engineering knowledge. Experience working within large and complex enterprise technology environments. Strong technical decision-making, troubleshooting and problem-solving capabilities.