Senior Clean Water Process Engineer: Lead Design & Strategy

Stantec Inc.; Warrington; On-site; GBP 75,000 - 110,000; Full time

Job summary

Stantec is seeking a Principal Process Engineer to provide technical leadership across a diverse portfolio of clean water projects in the UK, from concept through to implementation. You will lead design and calculations, review mass balances and hydraulic assessments, mentor engineers, and collaborate with multidisciplinary teams to deliver robust, sustainable solutions for clients.

This role offers opportunity to shape water security and resilience across sites in Manchester, Warrington,

Qualifications

• Degree qualified in Chemical or Process, or a related discipline.
• Significant experience in clean water or waste water process engineering.
• Strong technical experience across clean water treatment processes, process design and/or operational optimisation.
• Experience developing and reviewing process calculations, mass balances, hydraulic assessments and technical deliverables.
• Proven ability to provide technical leadership across complex multidisciplinary projects.
• Strong understanding of UK water industry challenges, standards and best practice.
• Excellent communication and stakeholder management skills, with the ability to engage confidently with clients and project teams.
• Experience mentoring and supporting the development of engineers.

Responsibilities

• Lead the development and delivery of clean water process engineering solutions across treatment, water resource and infrastructure projects.
• Develop and review process designs, calculations, mass balances, hydraulic assessments and technical specifications.
• Provide technical leadership on projects, ensuring solutions are robust, practical, sustainable and aligned with client requirements.
• Support strategic water resource projects, including water transfer, storage, recycling and long-term supply resilience schemes.
• Contribute to the optimisation of existing treatment assets through investigations, performance assessments and site-based testing such as jar testing and pilot trials.
• Work with multidisciplinary teams including civil, mechanical, electrical, environmental and hydraulic specialists to deliver integrated solutions.
• Build strong relationships with clients and contribute technical expertise to business plans, investment programmes, bids and framework opportunities.
• Mentor and support engineers within the wider Process Engineering team, helping develop technical capability and best practice.
• Collaborate with our global teams, sharing knowledge and applying international experience to UK water challenges.

Skills

Process design

Hydraulic analysis

Water treatment

Technical leadership

Stakeholder management

Mentoring

UK water sector knowledge

Mass balances

Education

Degree in Chemical or Process engineering

Job description

Stantec is seeking a Principal Process Engineer to provide technical leadership across a diverse portfolio of clean water projects in the UK, from concept through to implementation. You will lead design and calculations, review mass balances and hydraulic assessments, mentor engineers, and collaborate with multidisciplinary teams to deliver robust, sustainable solutions for clients.

This role offers opportunity to shape water security and resilience across sites in Manchester, Warrington,