Senior Mechanical Engineer - Water Sector

Stantec Consulting International Ltd.; Warrington; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Bonus schemes

Enhanced pension plan

Private medical insurance

Life assurance

Gym membership

Hybrid / Flexible working

Job summary

Stantec is seeking a Senior Mechanical Engineer to join our Water team in the North West, based in Manchester or Warrington. You will lead mechanical design across major water and wastewater projects, from feasibility through detailed design and commissioning, while mentoring junior engineers and coordinating with multidisciplinary teams to deliver safe, sustainable solutions.

You will work within a hybrid environment offering flexible working arrangements and opportunities to contribute to AMP8

Qualifications

• Degree qualified in Mechanical Engineering or related discipline.
• Chartered or Incorporated Engineer (CEng/IEng) or actively working towards.
• Experience delivering mechanical design within the UK water sector or regulated infrastructure.
• Strong understanding of water and wastewater treatment processes and pumping stations.

Responsibilities

• Lead mechanical design activities across water and wastewater projects.
• Produce and review mechanical calculations, specifications and reports.
• Deliver projects from feasibility to detailed design and construction support.
• Collaborate with project managers and multidisciplinary teams to ensure safe, efficient designs.
• Mentor junior engineers and contribute to technical excellence.

Skills

Mechanical design

Water sector

Project leadership

Mentoring

Stakeholder management

CEng/IEng

Education

Degree in Mechanical Engineering

Job description

The North West is home to some of the UK's most exciting water infrastructure programmes, and Stantec is helping deliver projects that will improve resilience, protect the environment and provide reliable water services for future generations. Through our long-standing partnership with United Utilities , we're delivering major treatment works, pumping stations and network improvements that are helping transform water and wastewater infrastructure across the region.

We're looking for a Senior Mechanical Engineer to join our Water team in Manchester or Warrington . This is an excellent opportunity to take the next step in your career, leading the delivery of mechanical engineering design while working alongside experienced multidisciplinary teams on nationally significant AMP8 programmes.

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

• Lead the delivery of mechanical engineering design packages across major water and wastewater infrastructure projects.

• Take ownership of projects from feasibility and optioneering through to detailed design and construction support.

• Mentor and support developing engineers while continuing to strengthen your own technical leadership.

• Collaborate with clients, contractors and multidisciplinary teams to deliver innovative engineering solutions.

• Build your career within one of the UK's leading multidisciplinary engineering consultancies.

ABOUT THE ROLE

As a Senior Mechanical Engineer , you'll play a leading role in delivering mechanical engineering solutions across a diverse portfolio of water and wastewater infrastructure projects, ensuring high-quality technical outputs throughout every stage of project delivery.

You will:

• Lead mechanical design activities across water and wastewater treatment works, pumping stations and associated infrastructure.

• Produce and review mechanical calculations, technical specifications, reports and engineering documentation.

• Deliver projects from feasibility and concept design through to detailed design, construction support and commissioning.

• Collaborate with Project Managers and multidisciplinary teams to deliver safe, efficient and sustainable engineering solutions.

• Mentor and support junior engineers while contributing to technical excellence across the team.

• Develop strong working relationships with clients, contractors and internal stakeholders to ensure successful project delivery.

YOUR IMPACT

Your work will directly contribute to the successful delivery of infrastructure that improves water resilience, supports environmental performance and provides long‑term value for communities across the North West.

You’ll:

• Deliver innovative mechanical engineering solutions across major AMP8 projects.

• Help clients improve operational performance through high‑quality engineering design.

• Support the development of engineers by sharing technical knowledge and mentoring colleagues.

• Build lasting relationships with clients and multidisciplinary teams.

• Contribute to Stantec's continued reputation for delivering technically excellent and sustainable engineering solutions.

ABOUT YOU

Essential

• 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 or another regulated infrastructure industry.

• Strong understanding of water and wastewater treatment processes, pumping stations and associated mechanical systems.

• Experience delivering technical design packages across multidisciplinary engineering projects.

• Excellent communication and stakeholder management skills.

• Experience mentoring or supporting junior engineers.

• Strong organisational skills with the ability to manage multiple priorities.

Desirable

• Experience working alongside delivery contractors.

• Experience across both infrastructure and non‑infrastructure projects.

• Experience producing and reviewing technical specifications and engineering documentation.

• Knowledge of digital engineering tools and modern methods of project delivery.

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.

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 delivering nationally significant water infrastructure projects across the North West, 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 [e-mail] we will talk to you about how we can support you.

ReqID: 9261

Other Locations: Manchester