Senior Process Engineer - Clean Water

Stantec UK Careers; Warrington; Hybrid; GBP 70,000 - 90,000; Full time

Benefits offered by this job

Hybrid working

Job summary

Stantec is seeking a Senior Process Engineer for Clean Water projects in the North West, with flexibility for Warrington or Manchester. You will lead process design across project stages, prepare calculations and reports, and support optioneering and technical proposals.

You will collaborate with clients and multidisciplinary teams, share expertise, mentor junior engineers, and help strengthen the North West process engineering capability while delivering sustainable water solutions.

Qualifications

• Degree qualified in Chemical Engineering, Process Engineering or a related discipline.
• Chartered or Incorporated Engineer (CEng or IEng) with a relevant professional institution, or actively working towards professional registration.
• Experience delivering process engineering design for Clean Water projects.
• Good understanding of water treatment processes and engineering principles.
• Experience preparing process calculations, technical reports and design documentation.
• Ability to manage technical tasks and work effectively within multidisciplinary teams.
• Knowledge of UK water industry standards and design requirements.
• Strong communication and problem‑solving skills.

Responsibilities

• Develop and deliver process engineering solutions across a varied Clean Water portfolio.
• Prepare and review process calculations, technical specifications, design documentation and reports.
• Coordinate design inputs and contribute to technical proposals and wider business opportunities.
• Support optioneering, feasibility assessments and the resolution of technical issues as projects progress towards delivery.
• Share knowledge with colleagues, support developing engineers and contribute to technical proposals.

Skills

Chartered or Incorporated Engineer (CE

Education

Chemical/Process Engineering degree

Tools

Process design software

Job description

Clean water infrastructure plays a vital role in protecting public health, supporting communities and safeguarding the environment. At Stantec, our teams are working on projects that will shape the future of water treatment across the North West, and we’re looking for a Senior Process Engineer – Clean Water to join us in Warrington or Manchester. With major investment creating new opportunities across the sector, you’ll have the chance to apply your expertise to meaningful engineering challenges and help develop solutions that deliver long‑term benefits for water supplies and the communities they serve.

You’ll have the opportunity to:

• Develop and deliver process engineering solutions across a varied Clean Water portfolio.
• Apply your technical expertise to treatment challenges from early design through to project delivery.
• Collaborate with clients and multidisciplinary teams to achieve successful project outcomes.
• Support the development of technical capability within a growing regional business.

ABOUT THE ROLE

As a Senior Process Engineer, you’ll contribute to the design and delivery of Clean Water projects, taking responsibility for process engineering activities across different stages of project development. You’ll prepare and review process calculations, technical specifications, design documentation and reports, helping to identify appropriate treatment solutions and ensure designs meet project requirements. You’ll also support optioneering, feasibility assessments and the resolution of technical issues as projects progress towards delivery.

Working alongside project managers, clients and engineers from other disciplines, you’ll coordinate design inputs and contribute to high‑quality project outputs. You’ll also share your knowledge with colleagues, support developing engineers and contribute to technical proposals and wider business opportunities, helping strengthen Stantec’s process engineering capability across the North West.

YOUR IMPACT

Your work will help improve the performance and resilience of Clean Water infrastructure across the North West, supporting communities through the delivery of dependable, efficient and sustainable water supplies.

You’ll help to:

• Develop treatment solutions that respond to evolving water supply and treatment requirements.
• Support improvements to the efficiency, reliability and sustainability of water treatment assets.
• Apply sound technical judgement to resolve engineering challenges and manage design risks.
• Provide clear technical input that helps clients make informed decisions about their infrastructure.
• Share expertise and support colleagues in developing their technical skills and engineering knowledge.

ABOUT YOU

Essential

• Degree qualified in Chemical Engineering, Process Engineering or a related discipline.
• Chartered or Incorporated Engineer (CEng or IEng) with a relevant professional institution, or actively working towards professional registration.
• Experience delivering process engineering design for Clean Water projects.
• Good understanding of water treatment processes and engineering principles.
• Experience preparing process calculations, technical reports and design documentation.
• Ability to manage technical tasks and work effectively within multidisciplinary teams.
• Knowledge of UK water industry standards and design requirements.
• Strong communication and problem‑solving skills.

Desirable

• Experience with water treatment works, upgrades or water supply projects.
• Exposure to feasibility studies, optioneering or treatment process selection.
• Familiarity with process design software and technical specifications.
• Experience contributing to bids or proposals.
• Experience supporting or mentoring junior engineers.
• Understanding of water resilience, scarcity and changing water quality challenges.

WHY JOIN US

• We put people first: We're proud of our friendly, inclusive and collaborative environment where everyone feels valued and driven to succeed.
• We are driven to achieve: Named in the top 50 companies to work by Glassdoor 2025. Recognised by Corporate Knights as one of the world's top 10 most sustainable companies 2025. Named ‘Best Place to Work’ and ‘International Consulting Firm of the Year’ at the NCE Awards 2024.
• We do what is right: Industry leading training and development as well as paid for professional subscriptions. A professional progression plan, supporting you to become chartered with ICE.
• We are better together: A supportive and collaborative team environment and Early Careers peer group and wider ERG network (see more on our ERGs here: Stantec Employee Resource Groups).
• Growth: We're on an exciting growth journey across the UK - we want you to be part of it!
• Great Benefits: Competitive salary, bonus schemes, enhanced pension plan, annual leave with the option to buy/sell additional days, private medical insurance, group income protection & life assurance included as standard as well as discounted gym membership and lots more.
• Hybrid / Flexible working: Enjoy a healthy work‑life balance with our hybrid approach to flexible working.