Principal Process Engineer – Water Sector Manchester Hybrid (2–3 days in the office) Permanent or Contract 65–80k / 500 p/d LTD Advance TRS is supporting an engineering contractor who are looking to strengthen their technical leadership team. They are seeking a Principal Process Engineer to take ownership of process engineering solutions, design quality, and technical standards across major water and wastewater projects. This is an exciting opportunity to influence direction, mentor future talent, and drive excellence across the full project lifecycle. What you'll be doing Lead the production of safe, high–quality, compliant process design deliverablesIdentify efficient and technically robust design solutions from scopes and site visitsDirect, support and develop engineers, designers and graduatesApprove design deliverables, design risk assessments, reports and specificationsCheck and sign off mass balances, process sizing, hydraulic calculations, PFDs, control philosophies and commissioning strategiesGuide design teams to ensure compliance with all relevant industry, professional and water company standardsManage and record all design package change controlEnsure work is delivered in line with formal processes and proceduresEstimate resource requirements for design packages and support planningPresent process designs at HAZOP, ALM, KM and other technical review forumsInterpret, communicate and embed changes to standards and proceduresProvide key technical guidance for both live projects and tender submissions What you'll bring 10+ years' process design experience within the regulated water industryExtensive knowledge of wastewater treatment processes and proven delivery experienceDegree, HND or equivalent technical backgroundStrong IT proficiencyChartered Engineer status Bonus points for Experience across both clean and wastewater treatmentHAZOP experience (ideally as Chair)Full driving licence and access to a vehicle You'll excel if you are Technically authoritative with strong analytical and problem–solving skillsAn excellent communicator who can influence at all levelsResults–focused and committed to high–quality deliveryPassionate about developing others and driving technical standards We are an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
£65,000 - £80,000
year
FULL TIME
principal
4/9/2026
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