Principal Process Engineer

Responsibilities

• Lead process design delivery on multidisciplinary water/wastewater treatment projects across the full design lifecycle
• Act as process technical lead owning design strategy, treatment process selection, and quality of deliverables
• Review and approve process calculations, mass balances, PFDs, P&IDs, and technical specifications
• Lead process modelling and simulation activities using tools such as BioWin, SUMO, or Dynamizu
• Lead optioneering, process capacity assessments, value engineering, and HAZOP/SWIFT reviews
• Drive multidisciplinary coordination across Mechanical, EICA, civil, and MEP teams
• Mentor and manage engineers, supporting recruitment and chartership progression
• Contribute to bids, client engagement, and growth of the process capability

Requirements

• BEng/MEng in Chemical Engineering, Process Engineering, or a related discipline
• Chartered Engineer (CEng) or Incorporated Engineer (IEng) status (e.g., IChemE)
• 8–10+ years of relevant process design experience
• Background in water, wastewater, and/or biosolids/sludge treatment design
• Expertise in process selection, mass balance, PFDs, and P&IDs
• Practical experience with BioWin, SUMO, Dynamizu, or equivalent modelling packages
• Strong understanding of UK water industry standards and CDM 2015
• Right to work in the UK

Preferred Qualifications

• Experience in nutrient removal, water reuse, or low-carbon design
• Experience delivering AMP8, WINEP, or D&B projects
• Advanced capability in process model calibration and dynamic simulation
• Experience in bid writing and technical proposals

Benefits

• Highly competitive reward package
• Hybrid and flexible working
• 26+ days annual leave plus bank holidays
• Professional development and chartership support
• Global mobility opportunities