Senior Design Engineer, Renewable energy

Location: With exciting projects nationally, the ideal candidate can be based anywhere throughout the UK! This is predominantly a remote working role, however you may be required to come into our London office for occasional meetings or social events.

At Rendesco, we believe that heating our homes shouldn't heat the planet. Since 2012, we've been leading the way in renewable heating solutions, designing, installing, and operating cutting-edge heat pump systems that make a real difference.

This is more than just a job. Joining our team now means helping to shape our growth story and play an active role in decarbonising one of the UK's most crucial sectors. We're proud of our dynamic, open culture, flat hierarchy, and diverse team, united by passion, purpose, and a drive to deliver exceptional results.

The role:

As our Senior Design Engineer, you will be responsible for leading, designing and developing Renewable Heating Systems for a range of renewable energy, heat network projects. These will include 4th and 5th generation heat networks, energy centres and distribution through multi-occupancy developments, including new-build housing developments, hotels, schools and commercial buildings.

You will be working as part of the mechanical design team to deliver projects from feasibility through to construction. This is a technical role and will enable you to work on all parts of the project from upfront strategic planning, right through to project management and implementation.

Your work will include:

• Leading the design of Rendesco's Heating Networks, Energy Centres, Plant Rooms, and Ambient Networks, including GLD-based borehole modelling.
• Supporting and enhancing project designs, coordinating with clients, providing technical input for tenders, and producing calculations, specifications, and submittals.
• Strong BIM and Revit experience are essential, along with the ability to review models and support 2D CAD work.
• Guiding the design of ambient systems such as boreholes and lake collectors, ensuring compliance with CP1, CIBSE, and HNTAS standards while driving continuous innovation.

About you:

The ideal candidate for the Senior Design Engineer role will possess a unique blend of industry experience, strong time management and coordination skills, and a comprehensive understanding of heat networks and district energy centres, essential for driving our constant improvement process.

Education:

• A bachelor's degree in building services or a related field is preferred, but HNC will be considered alongside experience.
• A master's degree or professional certifications in HVCA, Mechanical Engineering and Building services, such as MEng, will be highly regarded.
• MCIBSE and CEng preferred, but can be worked towards, depending on experience.

Experience and Skills:

• Strong experience in the design of commercial and domestic heat pump systems and renewable heating networks.
• Ideally at least 10 years of HVCA mechanical/electrical design experience.
• Strong experience in Mechanical Engineering, Engineering Consultancy and/or Mechanical installations.
• Strong experience in design packages e.g., AutoCAD, REVIT, COMSOF, GLD etc.
• Detailed knowledge of heat networks and utility services.
• Detailed working knowledge of industry regulations, M&E design, and installations.
• Experience in System design and coordination.
• Knowledge of CP1 and Heat Networks.
• Preference to be a registered CIBSE consultant.
• Experience in electrical design would be a benefit.

What's in it for you?

• Generous Salary on offer - depending on experience.
• Private Medical Insurance after six months service.
• Electric Vehicle and Cycle to Work Salary Sacrifice Schemes.
• Quarterly Social Fund of £50 per person per quarter for team events and gatherings, to encourage engagement across teams.
• £30 Monthly contribution to Phone Contract paid straight into your monthly wage packet.
• 25 days holiday (plus bank holidays).

Apply today and help us make decarbonisation effortless. At Rendesco, we are committed to building an inclusive workplace. We are proud to be a Disability Confident Employer and an equal opportunity employer, who encourages applicants from all backgrounds to apply.

We operate a preferred supplier list for our external recruitment agencies. Any CVs that are speculatively sent to us by agencies outside of this list will be treated as a free gift and we will not be liable for any fees if we contact the candidate directly.