Principal Process Engineer - Water SectorManchester - Hybrid (2-3 days in the office)Contract or Permanent 60-70k Advance TRS is supporting a growing specialist design and engineering team and is seeking an experienced Principal Process Engineer to play a key role in delivering innovative, high-quality water and wastewater treatment solutions. If you enjoy complex technical challenges and leading design excellence, this role offers real impact and progression. What you''ll be doing Produce safe, high-quality and compliant process design deliverablesDevelop efficient design solutions informed by scopes and site visitsLead, mentor and support junior engineers and designersPrepare design risk assessments, technical reports and specificationsCarry out mass balance, process sizing and hydraulic calculationsDevelop PFDs, control philosophies and commissioning strategiesEnsure design compliance with relevant technical and industry standardsEstimate hours for design packages and manage design change controlPresent designs at HAZOP, ALM, KM and similar technical reviews What you''ll bring 10+ years'' relevant process design experience within the regulated water industryChartered Engineer statusStrong understanding of wastewater treatment processes and proven delivery experienceDegree, HND or equivalent technical backgroundConfident IT and technical presentation skillsBonus points for Experience across both clean and wastewater treatmentExperience of HAZOP studies (ideally as ..... full job details .....