We're looking for a Process Commissioning Engineer to join a specialist team delivering wastewater infrastructure projects. You'll be involved from design through to commissioning and handover, ensuring new treatment assets are tested, validated and successfully brought into operation. This is a hands-on, site-based role working closely with operations, construction and automation teams. Key Responsibilities: Develop and deliver commissioning plans for new wastewater assets Support FAT and SAT testing with automation engineers Test and validate new process equipment Analyse process and wastewater data to confirm performance Work with operations teams to safely integrate new assets into live sites Provide training and handover documentationRequirements: 5 years' experience in wastewater operations, process or commissioning. Strong knowledge of UK wastewater processes and environmental regulations Experience commissioning wastewater infrastructure or treatment assets Familiarity with URS/FDS documentation and commissioning procedures Strong communication and technical documentation skillsDesirables: CSCS card holder Experience working on multi-million pound projects What's on offer: Contract - 12 months - rolling (3/4 years worth of work) Rate - £55 per hour (Inside IR35) Location - Base location Bath Working arrangement - Hybrid (after first month) This is a great opportunity to join a specialist engineering team working on critical infrastructure projects within the water sector