Job Title: Mechanical Design Engineer/HVAC Design EngineerLocation: Bury, UK (Hybrid: 3 days office, 2 days home; 36.5-hour week with 1:30pm finish on Fridays)About the Role:VIQU have partnered with a leading UK construction engineering company specialising in HVAC and mechanical ventilation systems for safety-critical facilities. We''re recruiting a Mechanical Design Engineer/HVAC Engineer to join their Bury office, delivering innovative, energy-efficient heating, ventilation, and air conditioning solutions across Energy andamp; Decommissioning, Defence, and Transport infrastructure projects.This is an excellent opportunity for experienced building services engineers, HVAC design engineers, or mechanical engineers looking to work on high-profile, technically challenging projects.Key Responsibilities: Design HVAC and mechanical systems including ductwork, piping, and equipment layout. Perform heating and cooling load calculations using industry-standard software. Select HVAC equipment and produce technical specifications. Develop detailed design drawings and documentation using AutoCAD, Revit MEP, or similar tools. Ensure compliance with building codes, CIBSE, BS EN standards, and energy regulations. Collaborate with architects, contractors, and multidisciplinary teams throughout the project life cycle. Conduct site visits for inspections, commissioning, and troubleshooting. Prepare cost estimates and support procurement processes. Implement sustainable and energy-efficient