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Location: Maidenhead
Reporting to: Installation Manager
About Rendesco
As governments worldwide prioritise climate change and renewable energy, Rendesco plays a pivotal role in decarbonising the built environment. Since 2012, weve been pioneering low-carbon heating solutions across the UK, from new-build developments to retrofit domestic systems.
Our services span design, installation, ownership, and operation of ground and air source heat pumps, solar panels, and battery storage. With hundreds of successful projects, Rendesco is at the forefront of the clean energy transitionand were growing rapidly across both domestic and commercial markets.
About The Role
We are seeking a motivated, skilled, and versatile
Electrical Engineerswith experience in either
domestic retrofit installationsor
commercial renewable heating systems. You will work across either the
Domestic side of the businessor
Renewable Heatingdivisions, delivering low-carbon technologies in homes or commercial developments, supporting project delivery from survey through to commissioning.
This is a hands-on, field-based role with elements of technical leadership, mentoring, quality assurance, and continuous improvement. Youll install and maintain heat pumps, battery storage systems, and solar PV; lead apprentices or junior engineers; and help shape Rendescos growth in the renewables sector.
Benefits
- Overtime in line with company policy
- Private Medical Insurance (post-probation)
- £30 monthly phone allowance
- 25 days holiday + bank holidays
- EV Salary Sacrifice Scheme (post-probation)
- £50 per quarter wellbeing/social fund
Key Responsibilities
Installation & Maintenance
- Install and commission heat pumps, batteries, and solar PV systems in homes or commercial buildings.
- Plan and execute safe, efficient, and compliant electrical works including wiring, control panels, and power systems.
- Conduct diagnostic testing, troubleshooting, and fault resolution for both planned and reactive maintenance.
- Carry out inspection and testing duties, completing certificates and reports to BS 7671 and Part P standards.
Leadership & Collaboration
- Supervise and mentor junior engineers or apprentices, ensuring best practice and safety on site.
- Work collaboratively with mechanical installers, project managers, and the wider team to coordinate jobs.
- Engage with clients and end-users in a professional, friendly manner, ensuring high customer satisfaction.
Quality & Compliance
- Conduct home and site surveys, capturing accurate data for design and installation planning.
- Ensure installations are compliant with industry regulations, including BS 7671, Part P, and H&S guidelines.
- Complete Quality Control (QA/QC) processes and documentation via SimPRO and internal platforms.
Innovation & Growth
- Contribute to continuous improvement initiativeschallenging conventional approaches to drive better outcomes.
- Share knowledge and support team-wide upskilling in renewable technologies and smart energy systems.
- Stay current with the latest developments in electrical systems, low-carbon tech, and installation practices.
Required Qualifications & Certifications
- NVQ Level 3 in Electrotechnical Services (or equivalent)
- BS 7671 (18th Edition Wiring Regulations)
- Inspection & Testing (C&G 2391 or equivalent) preferred
- CSCS/ECS Card required for construction site access
- Full UK Driving Licence
Essential Skills & Experience
- Proven experience installing or maintaining electrical systemsideally in heating, renewables, or construction.
- Familiarity with domestic and/or commercial installations, including low-carbon tech.
- Ability to interpret technical drawings, schematics, and installation designs.
- Confident in producing EICs, minor works certificates, and QA documentation.
Desirable Attributes
- Experience with:
- Battery storage & hybrid inverters
- Heat pump systems (domestic or district)
- Hydraulic principles (basic understanding)
- Positive leadership style with ability to motivate others
- Detail-oriented with strong problem-solving skills
- Willingness to work nationwide with occasional overnight stays
Be the change. If this sounds like you, apply now to join Rendesco and help us drive the future of clean, low-cost energy!
At Rendesco, we are committed to building aninclusive workplace.We are proud to be a Disability Confident Employer andan 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.
