Senior Mechanical Engineer - Water

Senior Mechanical Engineer

Step into a pivotal role at Stantec where your technical mastery meets the front lines of the challenges facing the water industry today. As a Senior Mechanical Engineer within our South of England Water team, you will be leading the design of mechanical systems that ensure water security and environmental resilience for water companies across the UK and Ireland.

Whether you choose to base yourself in Reading, London or High Wycombe, you are joining a consultancy at the peak of its growth, offering you a high‑visibility platform to sharpen your expertise and lead complex, multi‑million‑pound frameworks.

You will be involved in the full project life cycle, from feasibility and optioneering through to detailed design and construction support, including site surveys and investigations.

This will mean leading mechanical design for infrastructure & non‑infrastructure projects, including water/wastewater treatment plants, conveyance systems, pumping stations and more.

You will work closely with project managers, technical leaders, design engineers, clients, supply chain partners, contractors, planners and other stakeholders to deliver positive project outcomes. You will also be involved in the mentorship and guidance of more junior engineers within the team.

• Experienced Mechanical Engineer with a Degree in Mechanical Engineering or a related subject, ideally holding Chartership (or be on route to Chartership), with experience in mechanical design.
• Experience producing technical outputs such as design specifications, sizing & designing pumping systems & aeration systems, schedules, reports and familiarity with collaborative planning reviews and designs of solutions.
• Capable of providing engineering input, design outputs in collaboration with other disciplines, such as General Arrangement Drawings, 3D models and Piping & Instrumentation Diagrams.
• Experience of mentoring junior engineers or managing a Mechanical team is advantageous, though not essential.

• People Culture:
  We have a close‑knit team and supportive environment.
• Awards:
  Recognized as International Consulting Firm of the Year, Best place to work – Large Consulting Firms, and consistently in the top 10 Corporate Knights most sustainable companies.
• Great Benefits:
  Competitive salary, pension plan, holidays, free private medical insurance, discounted gym membership and more.
• Flexible working arrangements.
• Industry‑leading training and development and paid professional subscriptions.

Stantec provides equal employment opportunities to all qualified employees and applicants for current and future employment and prohibits 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 also prohibit discrimination in recruitment, hiring, referral, promotion, compensation, fringe benefits, job training, terminations or any other condition of employment.

Stantec complies with applicable laws and ensures equitable opportunities in all aspects of employment.

Stantec is committed to an inclusive, accessible recruitment process. If you need support or accommodations, please contact

ReqID: 8668