Heat Pump Engineer in Carlisle

Help us make a big green dent in the universe. We're on a mission to drive the global renewable energy revolution and need your help to turn our vision into a reality. As part of the Octopus Energy Services crew, you’ll be working closely with our office based teams to get our innovative renewable products installed into customer homes. You’ll have the backing of Octopus Energy’s massive tech power to minimise admin, so you can focus on delivering top-class service to our customers.

What you'll do

• You’ll work as part of a team to install low carbon technology in customers' homes - starting with Air Source Heat Pumps
• You’ll learn about new technologies and get awesome training in our state-of-the-art £10m training centre; giving you the confidence to install the kit, to find solutions to challenges and to share low carbon advice with our customers
• You’ll use your knowledge and experience of heat pump installations to deliver an outrageous experience
• You’ll review and collaborate on technical specifications and mechanical drawings
• You’ll work with an electrician to commission Air Source Heat Pumps
• You’ll lead a team; be responsible for your crew and empower them to make on-the-fly decisions to do what’s right for you and your customers

What you'll have

• You’ll be experienced in the installation of boilers and it's a plus if you know about air source heat pumps
• You’ll be an experienced plumbing and heating engineer with knowledge of heating system design and the ability to fault find. You’ll also have domestic hot & cold water system knowledge
• You’ll have experience of reviewing and challenging technical specifications & mechanical drawings
• It would be great if you had knowledge of and a basic competency in electrical levels
• It would be great if you had experience with hydraulic systems to design & quality standards - CIBSE & MCS - but this isn't a must
• Similarly F-gas would be great but it’s not essential

Qualifications

• For this role, you need a minimum NVQ level 2 (or equivalent experience) within the Plumbing and Heating pathway and a full, clean Driving Licence

It would be great if you had some of the below too

• WRAS Water Supply Regs
• UHW10/HWSS Unvented DHW Storage Systems
• Gas safe certification
• BPEC L3 or equivalent in heat pump installation

What we offer

• Basic salary £38,000 per year
• On-target earnings £45,000
• Additional salary for overtime/on-call
• £2,500 annual bonus
• Training programme worth £7,000 at our state-of-the-art R&D centre
• Share Options in Octopus Energy
• £25 per week lunch allowance
• Use of company tools
• Uniform and all PPE
• Company Vehicle and fuel
• Support for personal development in Renewable Tech

Schedule

• Job Type: Full-time
• Schedule: 8 hour shift (8am - 5pm Monday - Friday) 42.5 hours per week
• Overtime

Other Perks

• Octopus Energy is a unique culture. An organisation where people learn, decide, and build quicker. Where people work with autonomy, alongside a wide range of amazing co-owners, on projects that break new ground. We want your hard work to be rewarded with perks you actually care about!
• We've officially a world class company to work for [Best Companies] and we're in Glassdoor's [Top 50 best places to work in 2022]

Why else you'll love it here

• Wondering what the salary for this role is? Once you're in the interview process with one of our recruiters, it's something we always cover as we genuinely want to match your experience with the correct salary. The reason why we don't advertise is because we honestly have a degree of flexibility and would never want salary to be a reason why someone doesn't apply to Octopus - what's more important to us is finding the right octofit!
• Octopus Energy Group is a unique culture. An organisation where people learn, decide, and build quicker. Where people work with autonomy, alongside a wide range of amazing co-owners, on projects that break new ground. We want your hard work to be rewarded with perks you actually care about! We were named the UK's top company to work for in 2025, and we ranked in the top ten in the Sunday Times Best Places to Work 2026. Our Group CEO, Greg has recordeda podcast about our cultureand how we empower our people. We’ve also been placed in thetop 10 companies for senior leadership
• Visit our UK perks hub -Octopus Employee Benefits

P.S. Our process usually takes up to 4 weeks, but we’ll always do our best to flex around what works for you. Along the way, you’ll chat with our recruitment team and your Recruiter will help you throughout different stages. Got any burning questions before then? Drop us a message at talent@octoenergy.com and we’d love to help!

Studies have shown that some groups of people, like women, are less likely to apply to a role unless they meet 100% of the job requirements. Whoever you are, if you like one of our jobs, we encourage you to apply as you might just be the candidate we hire. Across Octopus, we’re looking for genuinely decent people who are honest and empathetic. Our people are our strongest asset and the unique skills and perspectives people bring to the team are the driving force of our success. As an equal opportunity employer, we do not discriminate on the basis of any protected attribute. Our commitment is to provide equal opportunities, an inclusive work environment, and fairness for everyone.

Where necessary, we sometimes use AI tools to help with parts of our hiring process, like reviewing applications or assessing responses.

We’re lucky to receive a huge amount of interest, so these tools help our recruiters manage that volume, not replace them. Ultimately, every hiring decision (for example, whether to progress your application or not) is always made by a real person in our Talent team.

If you’d like to know more about how we use your data, you can reach out to us via email at talent@octoenergy.com. We’re happy to help!

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