System Engineer

Solar Sub is looking for a System Engineer based in Livingston/Greater Edinburgh Area.

Position:
Full‑time |

Location:

Livingston/Greater Edinburgh Area | Start:
Immediate

Solar Sub is a start‑up on a mission to allow solar panels to thrive in the sun. We have developed a patent‑pending passive cooling technology that negates overheating, achieving a double‑digit improvement in revenue. We are deploying in the floating solar market globally, unlocking more favourable project economics. We have secured Pre‑Seed investment and are planning commercialisation with field trials at the University of Edinburgh and in Dubai.

• Define and manage system requirements, interfaces, and architecture across all mechanical and electrical subsystems.
• Coordinate with mechanical design engineers to ensure technical outputs are aligned across the entire system.
• Incorporate structural requirements, electrical systems, mechanical component considerations, and fit‑for‑manufacturing principles into the design of the passive cooling system.
• Apply Design for Manufacture and Design for Assembly principles to reduce costs, mitigate risk and complexity, while improving reliability.
• Align designs with the requirements of manufacturers, EPCs, developers and environmental regulatory bodies.
• Contribute toward the development of appropriate verification test plans.
• Produce clear technical documentation and support IP development to capture and protect future innovations.

• An engineering degree in mechanical, electrical, or other related fields.
• A track record of taking prototypes from mid‑stage readiness to a commercially viable product that complies with customer requirements, industry standards and other stakeholder needs.
• Experience in system integration or multidisciplinary product development, preferably in renewable energy.
• Understanding of structural loads, cabling, electrical systems, and buoyancy/stability principles in floating systems is preferred.

• Entrepreneurial mindset – willingness to take initiative within the role and across the business as required.
• Team Player with the ability to execute autonomously – thriving in a high‑trust environment with high personal accountability.
• Gritty and optimistic – ability to thrive in problem‑solving, taking setbacks in stride to propell the team forward.
• Low Ego – underpin personal growth and contribute to creating a high‑feedback environment, allowing the team to develop as a whole.

Applying:
If you are interested in joining our mission, please submit your cover letter and CV using (Use the "Apply for this Job" box below). 6 January 2026.

Please note:

Applicants must have the right to work in the UK.

Compensation:
Salary commensurate with experience, plus participation in the employee share option plan.

• Entry level

• Full‑time

• Information Technology

• Solar Electric Power Generation