Senior Principal Process Engineer - Water

Senior Principal Process Engineer

Stantec, Warrington, England, United Kingdom (also Manchester, Leeds or Newcastle)

Ready to accelerate your career in the water sector? Stantec is a globally recognised leader and a top‑tier strategic advisor to the industry. With the AMP8 cycle well underway and delivery intensifying, we are looking for a Senior Principal Process Engineer with extensive water & wastewater experience to drive major projects across the North.

You will serve as a key strategic advisor to our clients, leading the technical execution of ground‑breaking projects from inception through to construction. Your expertise will guide Project Managers and ensure high‑level execution that meets cost, schedule, and quality objectives. You will also mentor and develop our regional team of Process Engineers and nurture strong, collaborative relationships across multidisciplinary teams.

• Lead the technical design and execution of large‑scale water and wastewater projects
• Guide Project Managers to meet cost, schedule, and quality targets
• Mentor regional Process Engineering staff and foster continuous learning
• Develop and maintain process calculations, mass balances, control philosophies, commissioning plans, HAZOPs, and P&t
• Collaborate with multidisciplinary teams and build strong client relationships

• Degree in Chemical or Process Engineering (or equivalent) and ideally Chartered Engineer status
• Demonstrable experience in the water industry with a record of technical mastery in process calculations, mass balance, control philosophy, commissioning, HAZOPs, and P&t
• Experience in a design and construction environment is beneficial
• Strong leadership, communication, and staff management skills
• Ability to translate client needs into actionable solutions and drive project outcomes

• Competitive salary, pension plan, holidays
• Free private medical insurance, discounted gym membership and more
• Flexible working arrangements
• Great projects across the UK & Ireland
• Industry‑leading training and development with paid professional subscriptions

Stantec is dedicated to shaping the future of water and natural resources. Join us to work on some of the largest projects within the current AMP cycle.

We provide equal employment opportunities to all qualified employees and applicants and we prohibit discrimination on the basis of race, colour, religion, sex, national origin, age, marital status, genetic information, disability, sexual orientation, gender identity or expression. We are committed to ensuring an accessible recruitment process for all; please contact [email protected] for support or adjustments.