Stantec
Senior Mechanical Engineer - Water Sector
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The Opportunity
The UK water sector is entering a period of significant transformation, with unprecedented investment creating opportunities to deliver infrastructure that improves resilience, protects the environment and supports communities for generations to come. At Stantec, we're helping shape this future by delivering innovative engineering solutions across major water and wastewater programmes.
We're looking for a Senior Mechanical Engineer to join our growing Water team in London, High Wycombe or Reading. This is an exciting opportunity to take the next step in your career, leading the delivery of mechanical engineering solutions across a diverse portfolio of projects while working alongside experienced technical specialists across one of the UK's leading multidisciplinary consultancies.
Working With Us, You'll Have The Opportunity To
- Lead the delivery of mechanical engineering solutions across major water and wastewater infrastructure projects.
- Take ownership of technical delivery from feasibility and optioneering through to detailed design, construction support and commissioning.
- Mentor and support developing engineers while continuing to strengthen your own technical leadership.
- Collaborate with multidisciplinary teams, clients and contractors to deliver sustainable engineering solutions.
- Contribute to projects that improve water resilience and create lasting benefits for communities and the environment.
ABOUT THE ROLE
As a Senior Mechanical Engineer, you will lead the delivery of mechanical engineering design across a range of infrastructure and non-infrastructure projects, supporting successful project outcomes throughout the full lifecycle.
Your Responsibilities Will Include
- Leading mechanical design activities across water and wastewater treatment works, pumping stations and associated infrastructure.
- Producing and reviewing technical calculations, specifications, schedules and engineering documentation.
- Collaborating with Project Managers, civil, electrical, process and structural engineers to deliver integrated design solutions.
- Supporting site investigations, design reviews and construction activities where required.
- Providing technical guidance and mentoring to developing engineers.
- Building strong relationships with clients, contractors and supply chain partners to support successful project delivery.
- Contributing to continuous improvement and technical excellence across the Mechanical Engineering team.
YOUR IMPACT
Your expertise will help deliver the essential water infrastructure that communities across the South of England rely on every day. Through high-quality engineering design, you'll support clients in improving operational performance, meeting environmental commitments and creating resilient assets that are built for the future.
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Beyond project delivery, you'll play an important role in developing technical capability within the team by sharing knowledge, supporting colleagues and promoting engineering best practice. Your contribution will help strengthen Stantec's reputation as a trusted partner in delivering sustainable water solutions.
Essential
ABOUT YOU
- 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 projects within the UK water sector or a similar regulated industry.
- Strong understanding of mechanical systems associated with water and wastewater treatment, pumping stations and associated infrastructure.
- Experience leading technical delivery across multidisciplinary engineering projects.
- Experience producing and reviewing technical specifications, calculations and engineering documentation.
- Strong communication and stakeholder management skills.
- Experience mentoring or supporting the development of junior engineers.
Desirable
- Experience working alongside contractors and delivery partners.
- Knowledge of digital engineering tools and modern methods of project delivery.
- Experience supporting client relationships and framework delivery.
- Experience across both infrastructure and non-infrastructure projects.
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.
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Hybrid / Flexible working: Enjoy a healthy work-life balance with our hybrid approach to flexible working.
If you're looking to progress your Mechanical Engineering career while working on nationally significant water infrastructure projects alongside industry-leading specialists, we'd love to hear from you.
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 [email protected] and we will talk to you about how we can support you.
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