Senior Process Engineer – Water

Company: Stantec
Apply for the Senior Process Engineer – Water
Location: Cardiff
Job Description:

Overview

As a Senior Process Engineer at Stantec, you will lead process engineering delivery for clean water and wastewater projects, from feasibility to construction support. You will work with multidisciplinary teams to develop practical solutions that improve treatment performance, asset resilience, and environmental compliance. The role offers ownership of technical work packages and opportunities to mentor others while contributing to bids and innovation. Join a growing UK Water team that makes a tangible difference for communities and the environment.

Pay / Benefits

  • Competitive salary
  • Bonus schemes
  • Enhanced pension plan
  • Private medical insurance
  • Group life assurance
  • Discretionary leave buy/sell option

Responsibilities

  • Develop process solutions for clean water and wastewater projects
  • Perform process calculations, mass balances, hydraulic assessments, and technical deliverables
  • Take ownership of technical work packages and ensure quality and on-time delivery
  • Support design from feasibility through detailed design and construction support
  • Contribute to treatment optimisation, asset improvement, resilience, and infrastructure programmes
  • Support site investigations, performance assessments, testing and other technical investigations
  • Collaborate with civil, mechanical, electrical, environmental and hydraulic specialists
  • Engage with clients to understand requirements and provide practical engineering advice
  • Mentor less experienced engineers and contribute to technical development
  • Contribute to bids, frameworks, innovation, and continuous improvement

Key requirements

  • Degree qualified in Chemical or Process Engineering, or a related discipline
  • Experience in process engineering within water, wastewater or related sectors
  • Practical experience in water/wastewater treatment processes, design, or optimisation
  • Experience developing process calculations, mass balances, hydraulic assessments and deliverables
  • Experience owning technical tasks or work packages in multidisciplinary projects
  • Good understanding of UK water industry challenges, standards and best practices
  • Strong communication and stakeholder management skills
  • Ability to manage own workload and contribute effectively in multidisciplinary teams
  • Strong communication
  • Stakeholder management
  • Mentoring and knowledge sharing
  • Process calculations
  • Mass balances
  • Hydraulic assessments

…

Posted: October 1st, 2026