Astute's Power Team are currently recruiting a Principal Process Engineer for an operational plant based in North Yorkshire. The successful candidate will be work closely with the O&M Manager on site to provide expert input into the thermal process design, combustion systems, and steam/water cycle performance optimisation. Also, we are looking for someone who can drive improvements with the energy recovery, flue gas emissions, and combustion efficiency. The Principal Process Engineer position comes with a day rate from £500.00 per day to £650.00 per day outside of IR35. Role responsibilities and key skills for the role: Act as the technical authority for process engineering on an operational Energy from Waste (EfW) facility. Provide expert input into the thermal process design, combustion systems, and steam/water cycle performance optimisation. Lead root cause analysis and implement improvements for plant performance, efficiency, and reliability. Support day-to-day operational issues with deep process understanding of fluid dynamics, heat transfer, flue gas treatment, and materials handling. Drive improvements in energy recovery, flue gas emissions, and combustion efficiency. Lead and mentor junior engineers, providing technical leadership and coaching across the team. Support plant modifications, upgrades, and optimisation projects from a process engineering perspective. Liaise with external stakeholder...