Principal Process EngineerLocation: Manchester (Hybrid)
Type of Role: Permanent
Salary: -65,000 - -80,000 (dependent on experience & working arrangements)
Sector: Water | Wastewater | Process DesignKey Responsibilities

• Lead the development of efficient and practical process design solutions for water and wastewater projects.
• Review and approve design deliverables, reports, specifications, and DRAs.
• Check and approve mass balances, process sizing, hydraulic calculations, and PFDs.
• Review control philosophies and commissioning strategies.
• Provide technical guidance across projects and support tender submissions.
• Direct and mentor engineers and graduates.
• Ensure designs meet technical standards, professional guidance, and water company requirements.
• Lead HAZOP, ALM, KM, and other technical review meetings.
• Estimate design hours and support project planning.
• Drive continuous improvement in process engineering standards and practices.

• 10+ years'' process design experience within the regulated water industry.
• Extensive knowledge of wastewater treatment processes and plant design.
• Proven delivery of process design on water and/or wastewater projects.
• Chartered Engineer status (or near Chartered).
• Degree, HND, or significant practical experience progressing from technician level.
• Strong IT and digital capability.
• Experience across both clean water and wastewater beneficial.
• HAZOP experience (ideally as Chair) and tender support beneficial.
• Full UK driving licence and access to a vehicle preferred.