Senior Process Engineer - Water

As a Senior Process Engineer, you’ll take responsibility for key areas of process engineering delivery across clean water and wastewater projects, developing practical solutions and supporting projects from concept through to implementation.

You will:

Develop process engineering solutions across clean water and wastewater treatment and infrastructure projects.

Undertake and review process calculations, mass balances, hydraulic assessments, treatment evaluations and technical deliverables.

Take ownership of technical work packages, ensuring quality and delivery to agreed timescales.

Support process design development from feasibility and concept through to detailed design and construction support.

Contribute to treatment optimisation, asset improvement, resilience and infrastructure development programmes.

Support site investigations, performance assessments, testing and other technical investigations.

Work closely with civil, mechanical, electrical, environmental and hydraulic specialists to develop integrated solutions.

Engage with clients and project teams to understand requirements and provide practical engineering advice.

Support and mentor less experienced engineers, sharing knowledge and contributing to technical development.

Contribute to bids, frameworks, innovation and continuous improvement across the Process Engineering team.

Your work will support the delivery of resilient and sustainable water and wastewater infrastructure across the UK. From improving treatment performance and optimising existing assets to supporting new infrastructure and addressing changing environmental requirements, you’ll help clients tackle some of the sector’s most important challenges.

As a Senior Process Engineer, you’ll have the opportunity to broaden your technical experience, take increasing ownership of projects and develop your leadership skills while contributing to work that delivers meaningful outcomes for clients, communities and the environment.

Degree qualified in Chemical or Process Engineering, or a related discipline.

Experience in process engineering within the water, wastewater or related sectors.

Practical experience across water or wastewater treatment processes, process design and/or operational optimisation.

Experience developing process calculations, mass balances, hydraulic assessments and technical deliverables.

Experience taking ownership of technical tasks or work packages within multidisciplinary projects.

Good understanding of UK water industry challenges, standards and best practice.

Strong communication and stakeholder management skills.

Ability to manage your own workload and contribute effectively within multidisciplinary project teams.

Chartered or Incorporated Engineer (CEng/IEng) or actively working towards

Membership of a relevant professional institution such as CIWEM, IChemE, ICE or IMechE.

Experience working with UK water companies and AMP investment programmes.

Experience in treatment optimisation, asset improvement, water resource projects or infrastructure development.

Experience supporting site investigations, testing, commissioning or treatment performance assessments.

Experience contributing to bids, frameworks or client relationships.

Interest in digital innovation, sustainability and developing new approaches to process engineering.

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.

If you’re an experienced Process Engineer looking to take the next step in your career, broaden your technical experience and take greater ownership of projects across the UK water sector, we’d love to hear from you.

#UKWater

The Stantec community unites more than 34,000 employees working in over 450 locations across 6 continents. We have been working with our clients and communities in the UK for over 150 years. We plan, design, deliver and manage the development and infrastructure needed to support the creation of sustainable, healthy and prosperous communities. Our teams provide effective and relevant solutions, translating our clients’ vision into valued consents, deliverable plans for projects and programmes, and efficient designs for delivery, based on technical excellence and deep market insights. We deal with today’s challenges, but also keep a fairer, better tomorrow in sight, looking at how we deliver clean growth, support radical changes in our economy and meet the needs of future communities.

Stantec provides equal employment opportunities to all qualified employees and applicants for future and current employment and prohibit discrimination on the grounds of race, colour, religion, sex, national origin, age, marital status, genetic information, disability, sexual orientation, gender identity or gender expression. We prohibit discrimination in decisions concerning recruitment, hiring, referral, promotion, compensation, fringe benefits, job training, terminations or any other condition of employment. Stantec is in compliance with laws and regulations and ensures equitable opportunities in all aspects of employment.

Building an inspired, inclusive work environment that attracts, supports, and develops world-class talent is a crucial key to our success. If you are excited by this role but worry that your experience doesn’t exactly align, we encourage you to apply.

At Stantec we want you to perform your best at every stage of the recruitment process and are committed to ensuring it is accessible to all. If you need any support or require adjustments to be made then please contact [email protected] and we will talk to you about how we can support you.