Process Engineer - Wastewater

Stantec; Cardiff; On-site; GBP 40,000 - 70,000; Full time

Benefits offered by this job

Competitive salary

Bonus schemes

Enhanced pension

Job summary

Stantec in the UK is seeking a Process Engineer – Wastewater to join our growing team across Birmingham, Derby, Redditch, Cardiff or Bristol. You will support process design, calculations and wastewater assessments, contributing to resilient infrastructure and sustainable water services.

This role offers mentoring, cross‑disciplinary collaboration and career development as you work from feasibility through detailed design and construction support.

Qualifications

• Degree in Chemical Engineering, Process Engineering or a related discipline.
• Understanding of process engineering principles and wastewater treatment is preferred.
• Good analytical, technical and problem‑solving skills.

Responsibilities

• Contribute to process designs, calculations, mass balances and wastewater treatment assessments.
• Prepare technical reports, specifications, calculations and design documentation.
• Support projects from feasibility and concept development through to detailed design and construction support.
• Assist with site investigations, asset assessments, treatment optimisation and technical studies.
• Work with multidisciplinary teams to understand project requirements and develop effective engineering solutions.
• Build your technical capability through mentoring, training and hands‑on project experience.

Skills

Process engineering

Wastewater treatment

Analytical skills

Team collaboration

Communication skills

Project management

Education

Chemical/Process Engineering degree

Job description

Wastewater treatment is becoming increasingly important as the UK water sector responds to tighter environmental standards, growing demand and the need for more resilient infrastructure. At Stantec, you’ll have the opportunity to contribute to projects that improve treatment performance, protect receiving environments and support the delivery of sustainable wastewater services.

We’re looking for a Process Engineer – Wastewater to join our growing teams in Birmingham, Derby, Redditch, Cardiff or Bristol . You’ll work alongside experienced process engineers and multidisciplinary specialists, developing your technical expertise while contributing to a varied portfolio of wastewater projects.

This is an opportunity to broaden your engineering experience, learn from established technical specialists and build your career while helping deliver improvements that benefit communities and the environment.

ABOUT THE ROLE

As a Process Engineer, you’ll support process engineering activities across a range of wastewater projects, working with experienced colleagues to develop practical treatment solutions and deliver high-quality engineering outputs.

You will:

• Contribute to process designs, calculations, mass balances and wastewater treatment assessments.

• Prepare technical reports, specifications, calculations and design documentation.

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

• Assist with site investigations, asset assessments, treatment optimisation and technical studies.

• Work with multidisciplinary teams to understand project requirements and develop effective engineering solutions.

• Build your technical capability through mentoring, training and hands‑on project experience, contributing to continuous improvement.

YOUR IMPACT

Your work will help deliver wastewater infrastructure that improves treatment performance, protects the environment and supports more sustainable water services across the UK. By contributing to the development and optimisation of treatment processes, you’ll help clients address environmental challenges and meet the changing demands placed on wastewater assets.

You’ll gain experience across a diverse range of projects, learning from experienced engineers while developing the technical knowledge and project delivery skills needed to take on greater responsibility throughout your career.

ABOUT YOU Essential

• Degree qualified in Chemical Engineering, Process Engineering or a related discipline.
• Experience or a genuine interest in developing a career in process engineering within the water sector.
• Understanding of process engineering principles and wastewater treatment.
• Good analytical, technical and problem‑solving skills.
• Ability to work effectively within multidisciplinary teams.
• Strong written and verbal communication skills.
• Ability to organise your workload and meet project deadlines.
• Enthusiasm for learning and developing your technical expertise.

Desirable

• Chartered or Incorporated Engineer (CEng/IEng), or actively working towards professional registration.
• Membership of a relevant institution, such as CIWEM, IChemE, ICE or IMechE.
• Experience in the water, wastewater, utilities or infrastructure sectors.
• Familiarity with process calculations, mass balances or treatment assessments.
• Experience contributing to technical reports, engineering studies or design work.
• Exposure to site investigations, commissioning or treatment optimisation.
• Interest in sustainability, digital innovation and new approaches to wastewater treatment.

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.

If you’re looking to develop your Process Engineering career and contribute to projects that improve wastewater treatment and environmental performance, we’d love to hear from you.

#UKWater

About Stantec

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 [e-mail] we will talk to you about how we can support you.

Other Locations: Redditch, Derby, Cardiff, Bristol

#additional