Senior Data Centre Infrastructure Engineer North Yorkshire - Contract, Inside IR35 We are supporting the hire of an experienced Data Centre Infrastructure professional to join a critical operations environment supporting highly available, enterprise-scale systems. This role plays a key part in ensuring data centre resilience, supporting infrastructure build-outs, migrations and ongoing optimisation of mission-critical environments. This position would suit someone with a strong blend of hands-on data centre technical expertise and infrastructure design, documentation and coordination experience. The Role You will be responsible for supporting the availability, reliability and scalability of data centre infrastructure across one or more UK facilities. Working closely with internal technology teams, facilities and external vendors, you will help deliver infrastructure projects while maintaining operational excellence. Key areas of focus include: Data centre build-outs, expansions, and equipment installationsHardware, network, and connectivity migrationsCircuit cutovers and structured cabling projectsPower, cooling, and space optimisationInfrastructure documentation and design validation Key Responsibilities Support high availability and resilience of data centre environments by identifying risks and improving infrastructure reliabilityDesign, review, and maintain detailed infrastructure and connectivity documentationDevelop and validate cabling, power, and layout designs in