Design Manager A leading infrastructure delivery organisation is seeking a Design Manager with expertise in Mechanical, Electrical and Public Health (MEPH) systems. This contract role focuses on Stage 5 design delivery across 12 assets along a major London tunnel route. The successful candidate will be a key point of contact for the supply chain and will ensure high-quality, coordinated design across multiple disciplines. Working closely with supply chain partners, you will ensure technical requirements are met, processes are followed and value is delivered throughout the lifecycle of the works. This hybrid position is based at the North Acton site with flexibility to work from home two days per week. Key Responsibilities: Oversee Stage 5 design deliverables from subcontractors Ensure processes are implemented and adapted where necessary Manage interfaces between design suppliers and the integrator Coordinate responses to supplier queries Ensure compliance with design for maintenance and health and safety requirements Monitor progress, report risks and collaborate with commercial and delivery teams Identify and resolve scope gaps and interface issues Engage with assurance, quality and engineering teams Support subcontract reconciliation and cost management Track and coordinate design document reviews Ensure adherence to design management and assurance plans Manage Stage 4 design queries and defects Allocate and prior...