Senior Mechanical Design Engineer

About the job

Are you an experienced Mechanical Design Engineer looking to make a real impact on the future of the UK water industry?

We're looking for a Senior or Principal Mechanical Design Engineer to join our in-house design team, delivering innovative, low-carbon water treatment solutions across the UK.

This is an exciting opportunity to play a key role throughout the full project lifecycle from concept and detailed design through to implementation while helping to develop the next generation of engineers.

What you'll be doing

As a Senior Mechanical Design Engineer, you'll:

✔ Lead the mechanical design of water treatment projects from concept through to delivery.

✔ Produce and review high-quality mechanical design deliverables.

✔ Ensure designs comply with client specifications, industry standards and regulatory requirements.

✔ Coordinate design reviews, checking and approval processes.

✔ Mentor and support junior engineers, helping to build a high-performing design team.

✔ Prepare work scope estimates and quotations.

✔ Champion health & safety, quality and environmental best practice.

✔ Collaborate with clients, project teams and key stakeholders.

✔ Manage design changes and support project programme delivery.

What we're looking for

You'll ideally have:

• Degree, HND or HNC in Mechanical Engineering (or equivalent).
• Chartered Engineer status (or working towards it) with a recognised professional body.
• Strong mechanical design experience within the municipal water or wastewater sector.
• Experience working within multidisciplinary engineering teams.
• Design management experience.
• Knowledge of programme and financial management.
• Experience across all project phases, including optioneering, FEED, detailed design, construction support and As-Built documentation.
• The ability to manage multiple projects simultaneously.
• A full UK driving licence.

What's in it for you?

• Competitive salary based on experience
• Car allowance
• Private healthcare
• 31 days annual leave, increasing to 33 days after two years' service
• Holiday Buy/Sell Scheme
• Company pension
• Professional membership fees paid
• Cycle to Work Scheme
• EV/Hybrid Car Lease Scheme
• Discounted gym membership
• Employee discount platform
• Structured career development with genuine opportunities for progression
• Access to occupational health services and mental health support

If you're looking to work on innovative engineering projects that make a lasting environmental impact, we'd love to hear from you.

Apply today or get in touch for a confidential conversation.

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