https://jobs.co.uk/job/senior-mechanical-building-services-design-engineer-rullion-managed-services--76efd808-4e24-4dce-a5b8-eddab0a5a999 RSS feed for Senior Mechanical Building Services Design Engineer at Rullion Managed Services. en-gb Fri, 16 Oct 2026 18:43:46 GMT https://jobs.co.uk/job/senior-mechanical-building-services-design-engineer-rullion-managed-services--76efd808-4e24-4dce-a5b8-eddab0a5a999 https://jobs.co.uk/job/senior-mechanical-building-services-design-engineer-rullion-managed-services--76efd808-4e24-4dce-a5b8-eddab0a5a999 Thu, 15 Oct 2026 23:00:00 GMT Location: Manchester | Salary: Negotiable | Type: Contract | Job title: Senior Mechanical Building Services Design Engineer Job Type: 6 month temporary contract with possible extension Location: Manchester / Hybrid Pay rate: Competitive IR35: Outside IR35 Are you a talented Mechanical Building Services Design Engineer looking to take ownership of major infrastructure projects and play a key role in the delivery of complex, high-value engineering schemes? We''re seeking a Senior Mechanical Building Services Design Engineer to lead the design and delivery of mechanical building services and HVAC systems across critical infrastructure and energy projects, including substations, power transmission facilities, HVDC projects, and other mission-critical environments. What You''ll Be Doing * Leading mechanical and HVAC design from concept through to construction support * Producing and reviewing calculations, specifications, reports and technical studies * Designing HVAC, plumbing/public health and associated building services systems * Performing heating & cooling load calculations, ventilation design, pipework and ductwork sizing, and plant selection * Managing technical risks, design reviews and compliance with UK regulations and industry stan... Contract