Description Head of Electrical Solution Development Location: Sydney, Australia | Full time Help reinvent how the world builds solar 5B is an Australian technology company transforming large scale solar through the 5B Maverick Solution, a prefabricated, high speed, structurally and materially efficient approach to solar farm deployment. Backed by 46 million dollars in ARENA funding, we are executing an ambitious research, development and product program to push the boundaries of PV system design. We are seeking a Head of Electrical Solution Development to define and lead the electrical architecture at the heart of our next generation solar solutions. The opportunity Reporting to the Chief Technology Officer, this highly visible role owns the electrical and PV system design across 5B’s prefabricated product suite. You will set product direction, challenge conventional industry approaches, and lead the development of standardised, modular DC balance of system and integrated power system solutions, from early concept through to large scale deployment. This role balances strategy with hands-on engineering, working closely with customers, project teams, suppliers, and construction partners to ensure solutions are innovative, compliant, manufacturable, and deliver real world value. What you will do Own and evolve 5B’s electrical product architecture and PV system design Lead development of standardised, prefabricated DC balance of system solutions for large scale solar Shape end to end power system solutions integrating PV, power conversion, and battery energy storage Drive next generation PV system concepts that redefine cost, speed, and constructability Provide technical leadership in customer, project, and OEM engagements About you Degree in Electrical, PV or Renewable Energy Engineering 8 years experience in electrical design of large scale or commercial solar projects (at least 5 years practicing in Australia) Strong working knowledge of Australian electrical and PV standards Strong product and systems mindset, with experience taking designs from concept to deployment Comfortable operating across strategic direction and detailed engineering decisions Why 5B At 5B, you will work on globally impactful technology with a team that values first principles thinking, speed, and practical innovation. We offer flexible working, progressive leave and parental policies, and benefits that support life beyond work, all in a mission driven, high growth environment. Join us and help redefine how solar power plants are built. Please note: appointment to this position will be subject to a satisfactory police check.