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 deliverables
• Identify efficient and technically robust design solutions from scopes and site visits
• Direct, support and develop engineers, designers and graduates
• Approve design deliverables, design risk assessments, reports and specifications
• Check and sign off mass balances, process sizing, hydraulic calculations, PFDs, control philosophies and commissioning strategies
• Guide design teams to ensure compliance with all relevant industry, professional and water company standards
• Manage and record all design package change control
• Ensure work is delivered in line with formal processes and procedures
• Estimate resource requirements for design packages and support planning
• Present process designs at HAZOP, ALM, KM and other technical review forums
• Interpret, communicate and embed changes to standards and procedures
• Provide key technical guidance for both live projects and tender submissions

What you’ll bring

• 10+ years’ process design experience within the regulated water industry
• Extensive knowledge of wastewater treatment processes and proven delivery experience
• Degree, HND or equivalent technical background
• Strong IT proficiency
• Chartered Engineer status

Bonus points for

• Experience across both clean and wastewater treatment
• HAZOP 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 skills
• An excellent communicator who can influence at all levels
• Results-focused and committed to high-quality delivery
• Passionate about developing others and driving technical standards