Location: London (EC2M)Salary: 50,000 - 65,000 per annumContract: PermSector: Building Services Engineering Attention all Senior Mechanical Design Engineers!We are currently looking for a skilled Senior Mechanical Design Engineer, to join a well-established engineering consultancy, in a permanent role. The OpportunityAn established and highly regarded building services engineering consultancy is seeking a Senior Mechanical Design Engineer to join its growing London team. This is a newly created role driven by a strong pipeline of work in the data centre sector, with a clear focus on technically challenging and sustainability-led projects.The position offers a senior engineer the chance to take real ownership of mechanical design delivery, influence key technical decisions, and play a mentoring role within a collaborative, design-focused environment. The RoleAs a Senior Mechanical Design Engineer, you will be responsible for the design, coordination, and delivery of mechanical building services systems from concept through to completion. You will work closely with multidisciplinary design teams and clients while helping to shape best practice and drive innovation across projects.This role is well suited to an engineer who enjoys hands-on technical work, client engagement, and supporting the development of junior engineers. Key ResponsibilitiesLead the mechanical design of HVAC, heating, cooling, ventilation, and domestic water services on complex building projectsPrepare and ..... full job details .....