Senior Process Engineer - Wastewater East Sussex (Hybrid + Site Visits)Up to 65,000 + benefitsDriving licence required We are recruiting for a Senior Process Engineer on behalf of a leading client in the UK water sector. This is an excellent opportunity to join a highly collaborative wastewater process engineering team working on a variety of treatment projects while also supporting operational sites. The Role You will provide technical leadership on wastewater treatment projects, delivering process design outputs while also supporting operational performance across treatment sites. The role blends design, optimisation, commissioning, and strategic improvement work, giving engineers the chance to see their solutions implemented in real environments. Key responsibilities include: Producing process calculations, control philosophies, PFDs and PandIDsDeveloping process specifications, compliance plans and commissioning documentationSupporting site operations, optimisation and troubleshooting of wastewater treatment plantsAnalysing operational data to improve asset performance and efficiencyContributing to innovative process solutions and TOTEX efficienciesMentoring junior engineers and supporting wider team development You''ll regularly visit sites (typically 2-3 per month) to support commissioning, performance improvements, and operational teams. About You We are looking for engineers with strong wastewater process knowledge and experience supporting UK water sector projects.