Senior Principal Process Engineer - Water / Wastewater
HybridManchester, England, United Kingdom
Job Summary
Provide senior technical leadership for process discipline within the UK water/wastewater treatment design team, acting as process discipline lead, sub-lead, or senior technical authority on complex treatment projects across design, construction support, commissioning, and handover. Set and maintain process design standards, checking requirements, modelling approaches, design risk processes, digital workflows, and quality expectations. Lead and assure complex process deliverables, treatment strategies, process models, key technical decisions, supplier packages, contractor submissions, and multidisciplinary interfaces. Drive integrated coordination across Process, Mechanical, EICA, civil/structural, architectural, MEP, construction, commissioning, and operations teams. Lead senior client engagement, technical workshops, optioneering, value engineering, design reviews, process safety reviews, and performance optimisation discussions. Embed modern delivery approaches including process simulation, data-led design, automation, standardisation, digital tools, and model-informed decision making. Support project directors and project managers with technical risk, scope, resourcing, programme, budget, change control, and design quality. Build and develop the process sub-team through recruitment, mentoring, line management, succession planning, and professional development. Support business planning, work winning, client development, bid strategy, and growth of Egis' UK water/wastewater treatment capability.
Required Qualifications
- BEng/MEng or equivalent in Chemical Engineering, Process Engineering or closely related discipline
- Chartered Engineer or Incorporated Engineer status with a relevant professional institution, such as IChemE
- 10–12+ years' relevant process design experience
- Background from water, wastewater and/or biosolids/sludge treatment design
- Proven track record leading process design and technical assurance on complex multidisciplinary water/wastewater treatment projects
- Deep technical expertise in treatment process design, process selection, mass balance, process capacity, PFDs, P&IDs, design basis development and commissioning/performance testing
- Strong practical experience using process modelling/simulation packages such as BioWin, SUMO, Dynamizu or equivalent
- Strong understanding of UK regulated water sector drivers, water company standards, CDM 2015, process safety, environmental/regulatory requirements and common delivery models
- Demonstrable experience developing people, including mentoring, line management, technical coaching, recruitment or resource planning
- Strong client and stakeholder management skills, with credibility to lead senior technical conversations and influence project direction
- Strong commercial and delivery awareness, including scope development, fee estimating, programme/resource planning, risk management and change control
- Right to work in the UK
Desired Qualifications
- Experience as process discipline lead, design manager, technical director, associate-level lead or sub-team lead within consultancy, contractor, water company or technology provider environments
- Strong UK water sector client network and experience supporting account growth, opportunity shaping, bid leadership and work winning
- Advanced experience with BioWin, SUMO, Dynamizu, model calibration, dynamic simulation, scenario testing, optimisation studies or operational troubleshooting
- Experience developing services around digital treatment design, process optimisation, operational intelligence, nutrient removal, sludge/bioresources, water reuse, energy/carbon reduction or smart assets
- Experience leading process technical governance, communities of practice, design standards, QA frameworks or delivery improvement initiatives
- Experience building teams during growth phases, including skills mapping, capability planning and creation of a positive, delivery-focused culture
Hiring someone like this?
Get your role in front of qualified candidates on Sorce.