Principal Mechanical Design Engineer – Building Services (Critical Systems)

Location: Chester (Hybrid Working)
Salary: £60,000 – £70,000 per annum
Job Type: Permanent

An excellent opportunity has arisen for an experienced Principal Mechanical Design Engineer to join a leading building services consultancy working within a specialist critical systems team.

This role offers the chance to lead the delivery of technically complex mechanical building services projects, with a strong focus on Stage 4 detailed design and high-performance engineering solutions.

The successful Principal Mechanical Design Engineer will play a key role in technical leadership, project delivery, and team coordination, contributing to innovative, high-quality building services designs across critical environments.

Key Responsibilities

As a Principal Mechanical Design Engineer, your responsibilities will include:

• Leading the delivery of mechanical building services design projects
• Producing and reviewing Stage 4 detailed design documentation
• Developing HVAC system designs, calculations and technical specifications
• Providing technical leadership across project teams and design delivery
• Collaborating with electrical engineers, structural engineers and architects
• Supporting BIM coordination and multidisciplinary design integration
• Ensuring designs meet industry standards, regulations and client requirements
• Managing project delivery in line with programme, budget and quality targets
• Mentoring and supporting junior and intermediate engineers

Requirements

To be considered for this Principal Mechanical Design Engineer role, candidates should have:

• Proven experience working as a Senior or Principal Mechanical Design Engineer within building services
• Strong knowledge of HVAC systems and mechanical design principles
• Experience delivering projects across RIBA Stage 4 detailed design
• Experience working within consultancy or multidisciplinary engineering environments
• Strong leadership, communication and coordination skills
• Ability to manage technical delivery and project teams

Desirable:

• Experience working on critical systems or mission-critical environments
• Progression towards or achievement of Chartered Engineer (CEng) status
• Experience using Revit or BIM software

What’s On Offer

• £60,000 – £70,000 salary
• Hybrid working in Chester
• Opportunity to work within a specialist critical systems team
• Exposure to complex and high-performance building services projects
• Strong opportunities for career progression and leadership development

If you are a Principal Mechanical Design Engineer with strong building services experience, looking to work on critical systems and Stage 4 projects, this is an excellent opportunity to join a forward-thinking engineering consultancy.

Apply now to learn more about this opportunity.