Mechanical Design Manager - Job DescriptionJob Title: Mechanical Design ManagerLocation: NorthamptonDepartment: Engineering / DesignEmployment Type: Full-time, PermanentSalry: £80,000Role SummaryLead and manage the mechanical design function for building services engineering projects, covering full design lifecycle from concept through construction documentation. You will guide a multidisciplinary design team, ensure technical excellence, and support delivery of high-quality, compliant mechanical systems across diverse project sectors.Key ResponsibilitiesDesign Leadership and Management Lead and oversee mechanical building services design from early concept to detailed construction documentation and handover.Manage and prioritise workload for the internal design team, providing technical direction and mentoring.Ensure high standards of technical output, design quality, accuracy and innovation.Drive design reviews, risk assessments, and value engineering to optimise cost, performance and buildability. Technical Coordination and Delivery Collaborate with project managers, estimating, BIM/CAD teams, and construction teams to align design and delivery.Conduct design interface coordination, clash detection and integration with other disciplines (electrical, structural, architectural).Support preparation of technical specifications, calculations, schematic and detailed drawings for mechanical systems (HVAC, ventilation, heating, plumbing, controls). Client and Stakeholder Engagemen