Commissioning Engineer

Job Title: Commissioning Engineer Location: Middlesbrough / Teesside Industry: Renewable Energy / Anaerobic Digestion Salary: £45,000 - £55,000 per annum Employment Type: Full-time, Permanent About the Client Our client is a global leader in circular waste management and renewable energy generation. They specialise in transforming organic waste into high-value green resources, including Renewable Natural Gas (RNG), renewable electricity, and sustainable soil products. Operating advanced Anaerobic Digestion (AD) and organic processing infrastructure across the UK and internationally, they are dedicated to driving the transition towards a low-carbon future. Position Overview We are seeking an experienced Commissioning Engineer to join an expanding operational team in the Middlesbrough / Teesside area. In this hands-on technical role, you will lead and execute the cold and hot commissioning of process equipment, mechanical systems, and electrical/control systems across local Anaerobic Digestion facilities. You will ensure that all plant machinery, gas compression, CHP units, and fluid handling systems are brought online safely, efficiently, and strictly to manufacturer and regulatory specifications. Key Responsibilities Commissioning Execution: Lead the pre-commissioning, cold testing, and hot commissioning phases for process plant equipment, including pumps, pasteurisers, gas scrubbers, CHP engines, boilers, and flare systems. Systems Verification: Carry out loop testing, instrument calibration, and functional testing of PLC/SCADA control loops, interlocks, and safety trip systems. Standard Operating Procedures: Develop, review, and execute detailed commissioning test packs, RAMS (Risk Assessments and Method Statements), and operational handovers. Process Optimisation: Monitor and adjust mechanical and biological process parameters during startup to ensure target operational parameters, biomethane output, and efficiency levels are met. Contractor