Mechanical Design Engineer

Job title Mechanical Design Engineer  Division Asset Operations & Capital Delivery Location Hybrid - Clearwater Court - RG1 8DB
Contract type Permanent Full/Part-time Full-time Salary Competitive salary from £42,640 to £55,000 per annum depending on experience. Job grade B Closing date 30/12/2025

Ready to shape the future of water engineering?

Join Thames Water as a Mechanical Design Engineer and be part of a dynamic team driving innovation and excellence. You'll lead complex design projects, solve real-world challenges, and help build our Centre of Excellence-all while influencing the future of the water and wastewater industry.

If you're passionate about engineering and want to make a real impact, apply now and help us deliver our AMP8 ambitions and beyond.

What you'll be doing as a Mechanical Design Engineer

Focusing on the mechanical engineering discipline, the role will provide the expertise needed to:

• Get the right technical requirements with the project definition briefs.
• Input and continuously improve technical asset standards.
• Provide mechanical input into asset surveys and plant condition assessments, feasibility studies, optioneering, whole life costing, and preliminary designs.
• Support the establishment of a 'Centre of Excellence' for engineering.
• Provide design sign-off to Capital Delivery as the delivery stream dictates.
• Provide technical assurance during the delivery, commissioning, and handover of assets.
• Drive the digital advancement of our engineering within the corporate digital strategy.
• Ensure and deliver the engineering regulatory compliance on relevant assets in the mechanical engineering area.
• Support the establishment of a cohesive, sustainable engineering structure from graduate to industry experts that leads Thames Water's engineering requirements into AMP8 and beyond.

Location:

Hybrid - Clearwater Court, you will be required in the office and on-site 2-3 days a week and as the business requires.

Working Hours:

36 hours a week, Monday to Friday.

You must have a driver's licence and access to a vehicle for this role.

What you should bring to the role

To thrive in this role, the essential criteria you'll need are:

• Be educated to a degree level in mechanical engineering or other appropriate technical qualification.
• Have previous technical design, installation or commissioning experience working for a water utility company.
• Take a curious, hands on approach to understanding issues on site and be willing to challenge a brief if required.
• Understand the UK's water industry's regulatory environment to achieve compliance with our engineering regulatory requirements.
• Be able to communicate with all levels of internal and external stakeholders.

What's in it for you?

• Competitive salary from £42,640 to £55,000 per annum, depending on experience.
• 26 days holiday per year, increasing to 30 with the length of service. (Plus bank holidays).
• Performance related pay plan directly linked to both company and individual performance measures and targets.
• Generous Pension Scheme through AON.
• Personal Medical Assessments - Open to all once a year.
• Access to lots of benefits to help you take care of you and your family's health and wellbeing, and your finances - from annual health MOTs and access to physiotherapy and counselling, to Cycle to Work schemes, shopping vouchers and life assurance.

We're the UK's largest water and wastewater company, with more than 16 million customers relying on us every day to supply water for their taps and toilets. We want to build a better future for all, helping our customers, communities, people, and the planet to thrive. It's a big job and we've got a long way to go, so we need help from passionate and skilled people, committed to making a difference and getting us to where we want to be in the years and decades to come.

Thames Water is a unique, rewarding, and diverse place to work, where every day you can make a difference, yet no day is the same. As part of our family, you'll enjoy meaningful career opportunities, flexible working arrangements and excellent benefits.

If you're looking for a sustainable and successful career where you can make a daily difference to millions of…