Senior Mechanical Engineer - Water Sector

The UK water industry is investing in the infrastructure needed to meet future environmental, operational and population challenges, and Stantec is playing a leading role in delivering that transformation. Through AMP8 and beyond, we're helping our clients create resilient, efficient water and wastewater networks that will serve communities for generations to come.

We're looking for a Senior Mechanical Engineer to join our growing Water team in Newcastle or Leeds . This is an excellent opportunity to work on nationally significant infrastructure projects while developing your technical expertise within one of the UK's leading multidisciplinary consultancies. You'll collaborate with experienced engineers, project teams and industry specialists to deliver innovative mechanical engineering solutions across a wide range of treatment and infrastructure projects.

Working with us, you'll have the opportunity to:

• Deliver mechanical engineering solutions across major water and wastewater programmes.

• Take ownership of design packages throughout the project lifecycle.

• Share your technical knowledge by supporting and mentoring junior engineers.

• Work closely with clients and multidisciplinary teams to deliver sustainable engineering outcomes.

As a Senior Mechanical Engineer , you'll be responsible for delivering high-quality mechanical engineering solutions across a diverse portfolio of water and wastewater projects, supporting successful project delivery from concept through to construction.

Your responsibilities will include:

• Producing mechanical designs for water and wastewater treatment facilities, pumping stations and associated infrastructure.

• Preparing and reviewing technical calculations, equipment specifications and engineering documentation.

• Working collaboratively with Project Managers, multidisciplinary teams and clients throughout project delivery.

• Supporting technical reviews and identifying opportunities to improve engineering solutions.

• Providing guidance and mentoring to early‑career engineers and graduates.

• Contributing to the successful delivery of projects through effective communication with clients, contractors and stakeholders.

Your work will help deliver reliable, sustainable water infrastructure that improves operational performance, protects the environment and supports the long‑term needs of communities across the UK. Through innovative mechanical engineering solutions, you'll contribute to projects that improve efficiency, resilience and asset performance for our clients.

You'll also help strengthen our Mechanical Engineering team by sharing technical expertise, supporting the development of colleagues and contributing to a culture of continuous improvement and engineering excellence.

We're looking for a motivated Mechanical Engineer who enjoys solving technical challenges and delivering practical engineering solutions within collaborative multidisciplinary teams.

• Degree qualified (or equivalent) in Mechanical Engineering or a related discipline.

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

• Experience delivering mechanical engineering design within the UK water sector.

• Good understanding of mechanical systems associated with water and wastewater treatment facilities.

• Experience coordinating engineering activities as part of multidisciplinary project teams.

• Strong communication and problem‑solving skills.

• Experience supporting and mentoring junior engineers.

• Experience working with contractors during project delivery.

• Experience across infrastructure and non‑infrastructure water projects.

• Experience supporting framework delivery or long‑term client programmes.

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…