Principal Mechanical Engineer - Water Sector

Stantec Consulting International Ltd.; Park Central; Hybrid; GBP 70,000 - 110,000; Full time

Benefits offered by this job

Hybrid working

Professional subscriptions funded

Career progression to ICE chartered

Job summary

Stantec is expanding its Midlands Mechanical Engineering team. We are seeking a Principal Mechanical Engineer to lead technical delivery, mentor engineers and drive excellence across water and wastewater projects in the Midlands and beyond.

In this role you will own design delivery from feasibility to commissioning, collaborate with clients and stakeholders, and contribute to business development while helping grow our Midlands capability.

Qualifications

• Degree-qualified in Mechanical Engineering with Chartered/Inc Engineer status or actively working towards.
• Strong experience delivering detailed mechanical design within the UK water sector.
• Experience leading technical delivery across multidisciplinary projects.
• Excellent understanding of water and wastewater treatment processes and related mechanical systems.
• Mentoring and developing engineers with strong client-facing skills.

Responsibilities

• Lead mechanical engineering design across water and wastewater treatment works and pumping stations.
• Deliver projects from feasibility through to detailed design, construction support and commissioning.
• Produce and review calculations, specifications, reports and documentation.
• Provide technical leadership across project teams and ensure delivery quality.
• Mentor engineers and support capability development within the team.
• Collaborate with clients, project managers, contractors and partners to deliver outcomes.
• Contribute to framework delivery, bids and continuous improvement initiatives.

Skills

Mechanical design

Leadership

Stakeholder management

Mentoring

Client facing

Water/wastewater knowledge

Education

Degree in Mechanical Engineering

CEng/IEng or working towards

Tools

Digital engineering tools

Job description

The Midlands is playing a vital role in delivering the next generation of UK water infrastructure, and at Stantec we're expanding our Mechanical Engineering team to help meet the growing demands of AMP8 and beyond. Working across major water and wastewater programmes, we're delivering innovative engineering solutions that improve resilience, support sustainability and create lasting value for our clients and the communities they serve.

We're looking for a Principal Mechanical Engineer to join our team in Birmingham, Redditch, Derby or Shrewsbury. This is an exciting opportunity to take ownership of technically challenging projects while developing your leadership within one of the UK's leading multidisciplinary consultancies.

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

• Lead the delivery of complex mechanical engineering solutions across nationally significant water and wastewater projects.
• Take ownership of technical delivery from feasibility and optioneering through to detailed design, construction support and commissioning.
• Mentor and develop engineers while helping drive technical excellence across the Mechanical Engineering team.
• Build strong relationships with clients, contractors and multidisciplinary project teams.
• Support the continued growth and success of our Midlands Mechanical Engineering capability.

ABOUT THE ROLE

As a Principal Mechanical Engineer, you'll lead the technical delivery of mechanical engineering projects across a diverse portfolio of water and wastewater infrastructure schemes, ensuring high-quality engineering solutions throughout every stage of the project lifecycle.

You will:

• Lead mechanical engineering design across water and wastewater treatment works, pumping stations and associated infrastructure.
• Deliver projects from feasibility and concept design through to detailed design, construction support and commissioning.
• Produce and review technical calculations, specifications, reports and engineering documentation.
• Provide technical leadership across multidisciplinary project teams, ensuring quality and consistency throughout delivery.
• Mentor and support engineers, helping develop technical capability across the team.
• Collaborate closely with clients, Project Managers, contractors and supply chain partners to deliver successful project outcomes.
• Contribute to business development, framework delivery and continuous improvement initiatives.

YOUR IMPACT

As a Principal Mechanical Engineer, your expertise will directly influence the successful delivery of major water infrastructure programmes while supporting the continued growth of our Mechanical Engineering capability.

You'll:

• Deliver innovative engineering solutions that improve operational performance and long-term asset resilience.
• Help clients meet increasingly challenging environmental and regulatory requirements.
• Strengthen technical capability by mentoring engineers and sharing best practice across the business.
• Build trusted client relationships that support repeat business and long-term framework success.
• Contribute to Stantec's reputation for delivering technically excellent, sustainable engineering solutions across AMP8 and beyond.

ABOUT YOU

Essential

• Degree qualified (or equivalent) in Mechanical Engineering.
• Chartered or Incorporated Engineer (CEng/IEng) or actively working towards.
• Strong experience delivering detailed mechanical engineering design within the UK water sector.
• Experience leading technical delivery across multidisciplinary engineering projects.
• Excellent understanding of water and wastewater treatment processes, pumping stations and associated mechanical systems.
• Experience mentoring and supporting the development of engineers.
• Strong client-facing, communication and stakeholder management skills.
• Experience working collaboratively with contractors and delivery partners.

Desirable

• Experience supporting framework delivery, bids or business development activities.
• Experience contributing to technical governance and engineering standards.
• Knowledge of digital engineering tools and modern methods of project delivery.
• Experience delivering 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.

Hybrid / Flexible working:

Enjoy a healthy work-life balance with our hybrid approach to flexible working.

Join us and help deliver the next generation of water infrastructure across the Midlands while developing your leadership career within one of the UK's leading engineering consultancies.

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.

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: 9251

Other Locations: Redditch, Derby, Shrewsbury