Process Engineer - Wastewater
Stantec · Cardiff, Wales ·
Last confirmed by our partners on 17 Oct 2026.
Overview
As a Process Engineer – Wastewater, you contribute to the design and optimisation of wastewater treatment processes across a range of projects. You’ll collaborate with experienced engineers and multidisciplinary teams to deliver practical treatment solutions and high-quality outputs. You’ll be involved from feasibility through construction support, addressing environmental challenges and sustainable water services. This role offers hands-on development, mentoring and the chance to impact communities and ecosystems.
Pay / Benefits
- competitive salary
- bonus schemes
- enhanced pension plan
- annual leave with buy/sell options
- private medical insurance
- group income protection & life assurance
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 technical capability through mentoring, training and hands-on project experience, contributing to continuous improvement
Key requirements
- Degree qualified in Chemical Engineering, Process Engineering or a related discipline
- Experience or 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 workload and meet project deadlines
- Enthusiasm for learning and developing technical expertise
- analytical thinking
- problem-solving
- clear communication
- process engineering
- wastewater treatment
- process calculations
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