Location: UK-wide (travel to sites required)
Function: Engineering Excellence
Employment Type: Permanent
Status: Newly created role
We are looking for an experienced Combined Heat & Power Lead Engineer to take technical ownership of our CHP assets across the UK. This is a key role within our Engineering Excellence function, responsible for ensuring our CHP plants operate safely, efficiently, and in full compliance with UK regulations, while driving continuous improvement and supporting our decarbonisation strategy.
As the business’s technical authority for CHP, you will lead performance optimisation, provide expert troubleshooting support, manage contractors and OEM partners, and shape long-term energy and asset strategies. This is a high-impact role for someone who thrives on complex engineering challenges and enjoys influencing both operational and strategic outcomes.
Key Responsibilities
Technical Leadership

• Act as the subject matter expert for CHP systems across multiple UK sites
• Lead fault diagnosis, root cause analysis, performance optimisation, and lifecycle improvements
• Develop and implement CHP operational strategies to maximise availability, efficiency, and compliance
• Oversee commissioning, acceptance testing, and major upgrades

Operations & Maintenance

• Lead the operational oversight of all CHP maintenance activities
• Review and approve maintenance schedules, ensuring alignment with OEM and statutory requirements
• Hold monthly performance reviews with OEM partners, monitoring SLAs and KPIs
• Provide escalation support for complex mechanical, electrical, and control system issues
• Drive standardised maintenance practices, reporting methods, and carbon/energy performance management

Compliance & Governance

• Ensure full compliance with UK CHP-related legislation including CHPQA, EPR, MCPD, PSSR, and Gas Safety
• Oversee emissions monitoring, data reporting, and regulatory submissions
• Maintain accurate documentation and ensure sites remain audit-ready

Projects, Strategy & Decarbonisation

• Support feasibility studies and business cases for new CHP installations or upgrades
• Provide technical input into decarbonisation initiatives and alternative fuel strategies
• Contribute technical governance to capital projects involving CHP or heat network integration

Stakeholder & Contractor Management

• Build strong relationships with site engineering teams, OEMs, and regulatory stakeholders
• Mentor and support engineers and technicians, promoting engineering best practice
• Support commercial tenders and technical evaluation for service contracts

About You
Essential Experience & Skills

• Degree in Mechanical, Electrical, Energy, or Power Engineering (or equivalent)

• Significant experience in CHP or power generation engineering

• Strong knowledge of UK CHP legislation and safety regulations

• Proven experience with gas engine CHP systems

• Ability to diagnose complex faults and lead technical problem-solving

• Comfortable managing contractors, OEMs, and multiple stakeholders

• Knowledge of district heating, heat networks, biogas, or hydrogen blends

What We Offer

• The opportunity to shape and influence the performance and future direction of CHP assets across the UK
• A highly visible and impactful role within a business committed to decarbonisation and energy efficiency
• Professional development and progression within a growing engineering function
• Up to 15% bonus
• Company car or monthly allowance - your choice
• Partner level healthcare cover
• 4x life assurance

At Müller, we’re committed to creating an inclusive workplace where everyone feels they belong. We welcome applications from all backgrounds and encourage people to apply even if they don’t meet every requirement listed. If you need reasonable adjustments at any stage of the recruitment process, please let us know - we’re happy to support you.
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You can find out more about Müller and what it’s like to work for us by clicking here Careers at Müller UK & Ireland