Senior / Principal Mechanical Engineer

Mechanical Engineer - Senior / Principal (Building Services)Location: Plymouth / ExeterEmployment Type: PermanentOverview A leading global multidisciplinary consultancy is strengthening its Mechanical Building Services capability across Exeter and Plymouth, supporting delivery of complex, high-profile infrastructure and defence projects. The role sits within a building services team, delivering multidisciplinary engineering solutions across defence, infrastructure, healthcare, justice, education and commercial developments. A significant proportion of workload is within secure environments requiring high technical assurance, resilience and performance-led engineering design.Key Responsibilities

• Lead mechanical building services design across all RIBA stages (0-7)
• Design HVAC systems including heating, cooling, ventilation and associated plant
• Provide technical leadership across multi-disciplinary project teams
• Produce and review calculations, specifications and detailed design outputs
• Ensure compliance with UK regulations, CIBSE guidance and internal standards
• Attend and lead client and stakeholder meetings
• Mentor and support junior engineers
• Oversee technical quality and design assurance across projects
• Contribute to BIM coordination and digital engineering processes

Requirements

• Degree qualified in Mechanical Engineering or Building Services Engineering
• Strong consultancy experience in mechanical building services design
• Proven delivery of UK construction projects across multiple stages
• Ability to lead technical design on complex, multi-disciplinary schemes
• Chartered Engineer or working towards (required for Senior/Principal progression)
• Experience in defence or secure infrastructure advantageous
• Strong Revit / BIM capability desirable

Benefits

• Work on nationally significant defence and infrastructure programmes
• Clear progression into Associate and leadership roles
• Hybrid and flexible working culture
• Strong global technical expertise network
• Long-term secured pipeline of major projects

If you're interested, please contact Conner Richards at RGB Recruitment -