Lead Heat Pump Engineer​/Heat Pump Manager

About the Role

Infinity Energy Services is expanding our renewable energy offering and launching a dedicated Air Source Heat Pump department. With the demand for low-carbon heating growing rapidly, we are looking for an experienced, forward-thinking engineer to lead this new division, shape best practices and deliver exceptional installations.

This is a unique opportunity for a skilled ASHP installer to step into a leadership and department-development role. You’ll be responsible not only carrying out high-quality domestic installs, but also play a key part in building, managing and growing the department from the ground up.

We already have a strong database of customers ready to go—this is a warm, supported opportunity to establish yourself in a growing field with a committed team behind you.

Department Setup & Leadership:

• Establish the ASHP department structure, workflows, and installation standards.
• Create and refine installation procedures, quality checklists, and compliance documentation.
• Assist with product selection, supplier partnerships, and inventory planning.
• Work with company leadership to develop the department’s strategy, targets, and growth roadmap.
• Train, mentor, and supervise engineers and apprentices as the team grows.
• Manage compliance with MCS to include the auditing processes and health & safety standards.

Installation & Technical Duties:

• Lead on the installation commissioning, servicing and handover of air-source heat pump systems.
• Conduct site surveys and complete system design and specification.
• Troubleshoot system issues and provide technical guidance .
• Liaise directly with customers to ensure exceptional service experience.
• Ensure all installations meet all technical, safety, and compliance requirements.

• Proven experience installing air source heat pumps or a strong heating engineering background with genuine passion for renewable technologies
• Strong technical understanding of low-carbon heating systems
• Relevant plumbing/heating qualifications (NVQ Level 2/3, City & Guilds, or equivalent)
• BPEC ASHP qualification in design, installation and maintenance (preferred)
• Unvented G3 certification
• Experience leading teams or mentoring engineers (preferred)
• Organised, proactive, and capable of building systems and processes
• Full UK driving licence

• Competitive Salary & Annual Bonus – Reflective of your skills and experience.
• Career Progression – Opportunities to grow as we grow, with clear development pathways.
• Generous Holiday Allowance – 25 days of annual leave plus bank holidays.
• Private Medical Insurance – Vitality cover and 24/7 GP access for peace of mind.
• Wellbeing Perks – Discounted gym memberships to help you stay active and healthy.
• Team Culture – Regular team-building events that make work enjoyable and collaborative.
• Ongoing Training – Continuous learning and professional development opportunities.
• Supportive Environment – A team-focused culture where your voice matters and your contributions are valued.