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 control strategies to maximise system operability, safety, and performanceSpecify instrumentation and controls hardware including valves, VFDs, pressure/temperature sensors, flow meters, and safety devicesEssential ExperienceProven experience designing complete control sequences for complex or novel industrial systemsStrong knowledge of industrial fluids systems (valves, pumps, piping), ideally including steam processes, especially from a controls perspectiveStrong knowledge of fluids instrumentation and control hardwareWhy JoinYou'll be part of a mission-driven, supportive team working toward a cleaner industrial future. Expect an informal, inclusive culture where every voice is valued. Flexible working, share options, and family-friendly policies are all part of the offering.