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Head of Engineering - Commercial Solar

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Ace Legal
Part Time position
Listed on 2026-02-19
Job specializations:
  • Engineering
    Engineering Design & Technologists, Electrical Engineering, Environmental Engineer, Product Manager
Job Description & How to Apply Below
Location: Greater London

We are currently recruiting for our client, as a preferred supplier, a fast-growing and exciting scale-up business, having recently completed a Series A investment. They are focused on commercialising cutting‑edge lightweight solar PV technology for commercial buildings. Their aim is to help decarbonise the built environment and provide energy security for their customers through technology that is good for the planet and good for people.

Hybrid working is available and usually 2 days per week in the office in central London, W1, 3 days remote.

This role, as Head of Engineering, will be overseeing the technical side of the business and ensuring everything that feeds into that runs efficiently. Being a start‑up, this role requires someone to be hands on, actively helping with the workload as well as delegating and managing the team. Ideally, the successful candidate will have experience working in a start‑up and scaling a technology.

This role will require presenting to our investors and the board, as well as, developing new products for the business, and advancing our engineering team both in size and capability. You will direct the installations of ground mount and rooftop solar solutions as well refining internal processes and supporting software development.

THE RESPONSIBILITIES
  • Oversee the design of our solar solutions and products with the internal team and our subcontractors
  • Manage the engineering team working on our product development
  • Build and foster relationships with our supply chain partners which will involve international travel and finding new technology as it hits the market
  • Being a highly valued and integral member of the business
  • Grow, build and evolve our technical and engineering teams

    Continuously research and remain an expert in the ever‑changing renewable markets
  • Analyse and strengthen our work methods
  • Be a foundation of resilience and motivation for the business and people you manage
  • Present to clients, investors and the board
  • Provide technical support to sales meetings and discussions with potential clients demonstrating the ability to explain complex technical information at the right level to support our sales team.
THE REQUIREMENTS Essential:
  • 5+ years of experience in building and managing teams
  • 5+ years of experience as a mechanical or electrical engineer
  • A deep understanding of solar, battery and/or other renewable energy systems
  • A Master’s Degree or equivalent in a related field
  • Great emotional intelligence, being able to deal with a range of personalities
  • Proven experience in commercialising a product
  • Travel globally when the job requires
  • Exemplary written and verbal communication skills
Desirable:
  • 3+ years of experience of scaling and working in start-ups
  • Strong electrical knowledge of other renewables systems
  • The ability to help with the engineering workload; from a technical and hands‑on perspective
  • A portfolio of 5+ products that you have developed from cradle‑to‑grave
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