Principal Mechanical Design Engineer

Code Resources LTD; Blackburn; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading UK-based energy consultancy is seeking a Principal Mechanical Design Engineer to provide technical leadership on low-carbon energy projects. This role involves managing complex mechanical designs across heating and energy systems, ensuring compliance and quality throughout project stages. Candidates should have extensive mechanical design experience and a strong technical background in systems such as CHP and HVAC. The position offers a competitive salary package along with various benefits including a contributory pension scheme and 25 days annual leave.

Benefits

Competitive salary, dependent on experience (GBP60–80k)

Car Allowance (TBC)

Contributory pension scheme

Life assurance

Employee Assistance Programme

25 days annual leave plus bank holidays

Additional holiday entitlement based on service

Option to buy or sell annual leave

Wellbeing and gym benefits

EV charging facilities

Qualifications

• HNC/HND in Mechanical Engineering or Building Services is required.
• Extensive experience in mechanical design within low-carbon energy sector is essential.
• Strong systems knowledge in CHP, heating networks, and HVAC technologies is needed.

Responsibilities

• Provide technical leadership on energy and heating projects.
• Oversee design calculations and equipment selection.
• Manage cost, risk, and technical compliance in designs.
• Lead HAZOP studies and risk assessments.

Skills

Mechanical design experience

Technical expertise in systems like CHP and HVAC

AutoCAD proficiency

Driving license

Education

HNC/HND in Mechanical Engineering or Building Services

Job description

Principal Mechanical Design Engineer

Location: Blackburn or Glasgow

About Our Client

Our client is a leading UK–based energy and engineering consultancy specialising in the design and delivery of low–carbon energy infrastructure. They work across both the public and private sectors, supporting hospitals, universities, residential developments, commercial buildings and large–scale urban projects to decarbonise heat and power systems. Their work plays a key role in supporting the UK s Net Zero ambitions through innovative, sustainable energy solutions. They are growing ay 20% YoY and have a team of 125 MEP Engineers across the UK.

The Role

Our client is seeking a Principal Mechanical Design Engineer to provide technical leadership across major low–carbon energy projects. This role is suited to an experienced engineer with deep technical expertise who can oversee design quality and support complex engineering solutions.

You will be responsible for the delivery and oversight of mechanical designs across district and communal heating systems, energy centres, trigeneration and heat pump projects, supporting schemes from early concept through to detailed design and tender stage.

Key Responsibilities

• Providing technical leadership on distributed energy and district heating projects
• Leading the interpretation and development of client requirements
• Overseeing calculations, equipment selection and process design
• Reviewing and approving schematics and detailed drawings
• Managing cost, risk and technical compliance within designs
• Resolving complex design and engineering issues
• Ensuring CDM compliance and robust internal governance
• Leading HAZOP studies and risk assessments
• Supporting and reviewing mechanical tender specifications

What You ll Need

• HNC/HND in Mechanical Engineering, Building Services or similar (degree preferred)
• Extensive mechanical design experience within energy, building services or low–carbon infrastructure
• Strong technical background in systems such as CHP, heating networks, HVAC or renewable technologies
• Advanced AutoCAD capability
• Full UK manual driving licence

The Package

• Competitive salary, dependent on experience (GBP60–80k)
• Car Allowance (TBC)
• Contributory pension scheme
• Life assurance (death–in–service)
• Employee Assistance Programme
• 25 days annual leave plus bank holidays
• Additional holiday entitlement linked to length of service
• Option to buy or sell annual leave
• Access to wellbeing and gym benefits
• EV charging facilities where available