Process Engineer (Hybrid Working) Location: Portsmouth, HampshireSalary: £60,000-£70,000 D.O.EAn ambitious clean-tech company is on a mission to make innovative energy storage the global standard. Enabling manufacturers, industrial processors, and heavy-energy users to decarbonise at scale.As part of their growth, they''re looking for a Process Engineer to take ownership of the control logic, instrumentation, and system architecture behind a next-generation thermal energy storage steam generator. This is a pivotal opportunity to shape a first-of-its-kind industrial product as it moves through design, prototype optimisation, and deployment into real customer sites.As Process Engineer, you will:Become the internal authority on control sequences, fluids system control, and instrumentation - guiding the operability, safety, and performance of a breakthrough energy system. You''ll work across concept design, detailed engineering, prototype testing, and customer-site integration.This is a rare opportunity to:Shape the full control architecture of a new industrial clean-energy productInfluence how the system operates, responds, and manages faults across all conditionsWork closely with fluids, mechanical, and automation specialists to ensure seamless system behaviourPlay a hands-on role in prototype optimisation and commissioning on real industrial sitesKey ResponsibilitiesOwn the complete control logic and operating sequences for the thermal storage steam generatorDesign high-level