Principal Process Engineer – Water Sector

Overview

As a Principal Process Engineer at Stantec, you lead technical delivery across water and wastewater projects, shaping robust process solutions and mentoring engineers. You’ll work with cross‑functional teams to translate client challenges into sustainable designs, from concept to construction, contributing to UK water sector investment programmes. Your role drives innovation, client collaboration, and the growth of Stantec’s Process Engineering capability in a critical, impact‑driven field.

Pay / Benefits

• competitive salary
• bonus schemes
• enhanced pension plan
• annual leave with buy/sell option
• private medical insurance
• hybrid/flexible working

Responsibilities

• Lead the technical delivery of process engineering solutions across water and wastewater projects
• Develop, review and assure process designs, calculations, mass balances, hydraulic assessments, treatment evaluations and technical specifications
• Provide technical direction to project teams to ensure practical and client-aligned outcomes
• Lead complex projects from concept through to detailed design and construction support
• Support asset optimisation, site investigations and technical testing as required
• Collaborate with civil, mechanical, electrical, hydraulic and environmental specialists for integrated solutions
• Build and maintain strong client relationships and translate challenges into engineering outcomes
• Contribute to investment programmes, bids and framework opportunities across the UK water sector
• Mentor and develop engineers to strengthen the Process Engineering team
• Champion innovation, best practice and continuous improvement in process engineering delivery

Key requirements

• Degree qualified in Chemical or Process Engineering or a related discipline
• Significant experience in process engineering within water, wastewater, utilities or related sectors
• Strong technical experience across process design, calculations, mass balances, hydraulic assessments and treatment process evaluation
• Proven experience providing technical leadership across complex multidisciplinary projects
• Strong understanding of water and/or wastewater treatment processes and UK industry requirements
• Excellent communication and stakeholder management skills
• Experience mentoring and developing engineers and providing technical guidance to colleagues
• Ability to manage competing priorities and contribute to successful delivery of complex projects

• excellent communication
• stakeholder management
• mentoring
• process design
• calculations
• mass balances

…