Mechanical Design Engineer

Mech Electrics Limited; Lancashire; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading renewable energy contractor in the UK is seeking a Mechanical Design Engineer to lead design processes for major sustainability projects. You will produce technical documentation, interpret client requirements, and mentor junior engineers. The ideal candidate has 4+ years of design experience in relevant systems and a qualification in Mechanical or Building Services Engineering. This role offers a competitive salary and a comprehensive benefits package.

Benefits

Competitive salary

Private medical cover

Company pension scheme

Life insurance

Employee Assistance Programme

25 days holiday plus bank holidays

Gym discounts

EV charging (where available)

Qualifications

• 4+ years' design experience in relevant systems.
• Experience in HVAC, Heating, Cooling, CHP, or Renewable Energy systems.

Responsibilities

• Lead the design process for renewable projects.
• Produce drawings and technical documentation.
• Support costings and project compliance.
• Mentor junior engineers and improve design standards.

Skills

Mechanical or Building Services Engineering

Design experience in Building Services

Competent in AutoCAD

Full UK driving licence

Education

HNC/HND (or degree) in Mechanical or Building Services Engineering

Tools

AutoCAD

Revit

IES-VE

Hevacomp

Job description

Mechanical Design Engineer

The Opportunity

We're looking for both an experienced Senior Mechanical Design Engineer and a Mechanical Design Engineer to join our client's design team. This is a great opportunity to bring your experience to one of the UK's leading renewable energy contractors with the option to ultimately progress into a leadership role as part of a structured development plan.

You'll play a key role in designing efficient, sustainable, and profitable renewable energy systems—from early concepts right through to detailed designs, drawings, equipment selection, and project delivery support. You'll also work closely with senior engineers, mentor junior team members, and expand your knowledge across a wide range of low‑carbon technologies.

The Role

• Lead the design process for major renewable and sustainability projects
• Produce drawings, specifications, calculations, and technical documentation
• Interpret client requirements and ensure designs meet quality, budget, and compliance standards
• Support costings, risk assessments, and plant/equipment selection
• Review and guide the work of junior engineers
• Help improve processes, training, and overall design standards

What You’ll Need

• HNC/HND (or degree) in Mechanical or Building Services Engineering
• 4+ years' design experience in Building Services, HVAC, Heating, Cooling, CHP, or Renewable Energy systems
• Competent in AutoCAD (Revit, IES-VE, or Hevacomp experience a plus)
• Full UK driving licence

What’s on Offer

• Competitive salary
• Private medical cover
• Company pension scheme
• Life insurance and Employee Assistance Programme
• 25 days holiday + bank holidays (with options to buy/sell more)
• Gym discounts and EV charging (where available)

If you're ready to take the next step in your career and help deliver the UK's transition to net zero, we'd love to hear from you