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Thames Water Ltd; Teddington; Hybrid; GBP 50,000 - 60,000; Full time

Benefits offered by this job

25 days annual leave (plus bank)

Health and well-being benefits

Cycle to Work scheme

Life assurance

Job summary

Thames Water is seeking a Senior Process Engineer to join the Engineering team and support AMP8 ambitions. You will work under a Principal Engineer, delivering specialist wastewater process engineering expertise across the project lifecycle, ensuring technical requirements, risk mitigation, value, and assurance.

You will help establish standards, coach teams, and contribute to safe, sustainable solutions for customers and the environment.

Qualifications

• Significant wastewater process engineering experience.
• Degree in a Process Engineering discipline; Chartered Engineer status preferred.
• Alternative: an HNC or equivalent with at least ten years of relevant industry experience.

Responsibilities

• Prepare and assess project briefs, technical information and solutions to identify risks and maximise value.
• Provide specialist wastewater process engineering input across projects.
• Review technical requirements and ensure compliance with standards.
• Sign off designs between Asset Management and Capital Delivery.
• Deliver technical assurance throughout delivery, commissioning and handover.
• Support development and continuous improvement of Technical Asset Standards.
• Lead multidisciplinary project teams and manage delivery to time, cost and quality.

Skills

Wastewater process engineering

Technical assurance

Stakeholder communication

Team leadership

Problem solving

Education

Process engineering degree

Chartered Engineer

HNC with 10+ years' experience

Job description

Senior Process Engineer

We have an exciting opportunity for a Senior Process Engineer to join our Engineering team and support Thames Water in delivering its AMP8 ambitions and beyond.

Working under the direction of a Principal Engineer, you will act as part of Thames Water’s intelligent client capability, providing specialist wastewater process engineering expertise throughout the project lifecycle. You will help establish the right technical requirements, identify and mitigate risks, maximise value and provide technical assurance through design, delivery, commissioning and asset handover.

This is an excellent opportunity for an experienced engineer who wants to influence engineering standards, support major infrastructure investment and help deliver safe, effective and sustainable solutions for our customers and the environment.

What you’ll be doing as a Senior Process Engineer

• - Preparing and assessing Project Definition Briefs, technical information and engineering solutions to identify risks and maximise value before contractor pricing.
• - Providing specialist wastewater process engineering input across projects and programmes.
• - Reviewing technical requirements and ensuring proposed solutions meet the required standards.
• - Providing design sign-off between Asset Management and Capital Delivery, depending on the delivery stream.
• - Delivering technical assurance throughout project delivery, commissioning and asset handover.
• - Supporting the development and continuous improvement of Technical Asset Standards.
• - Managing the activities of multidisciplinary project teams in line with project delivery procedures.
• - Supporting the delivery of project outputs to the required time, cost and quality standards.
• - Planning and forecasting resource requirements.
• - Checking and reviewing technical outputs produced by internal teams and delivery partners.
• - Coaching and mentoring colleagues to support continuous improvement and capability development.

Base location: Hybrid working up to 3 days a week in office and on site - Base Location: Hampton Coal Wharf

Working pattern: 36 hours a week Monday to Friday

What you should bring to the role

• - Significant wastewater process engineering experience.
• - A degree in a Process Engineering discipline, ideally supported by Chartered Engineer status and membership of a relevant professional institution.
• - Alternatively, an HNC or equivalent qualification supported by at least ten years of relevant industry experience.
• - Experience of leading multidisciplinary project teams and taking accountability for project delivery.
• - Strong technical checking, review and assurance capabilities.
• - Excellent communication skills, with the ability to explain technical information clearly and influence stakeholders.
• - A collaborative approach and a willingness to coach and support the development of others.

If you have strong wastewater process engineering experience but do not meet every requirement, we would still encourage you to apply. We recognise that valuable expertise can be gained through a range of professional and technical career paths.

What’s in it for you?

• - Competitive salary up to £60,000 per annum depending on skills and experience.
• - Annual Leave -26 days holiday per year, increasing to 30 with length of service. (plus bank holidays)
• - Access to many benefits to help you take care of your health and your family's health and well-being, and your finances - from annual health MOTs and access to physiotherapy and counselling to Cycle to Work schemes, shopping vouchers and life assurance.
• - Performance-related pay plan directly linked to company performance measures and targets

Find out more about our benefits and perks (Please note different T&Cs apply if on secondment)

Who are we?

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.

Learn more about our purpose and values

Working at 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 people’s lives while helping to protect the world of water for future generations, we’ll be here to support you every step of the way. Together, we can build a better future for our customers, our region, and our planet.

Real purpose, real support, real opportunities. Come and join the Thames Water family. Why choose us? Learn more.

We’re committed to being a great, diverse, and inclusive place to work. We welcome applications from everyone and want to ensure you feel supported throughout the recruitment process. If you need any adjustments, whether that’s extra time, accessible formats, or anything else just let us know, we’re here to help and support.

When a crisis happens, we all rally around to support our customers. As part of Team Thames, you’ll have the opportunity to sign up to support our customers on the frontline as an ambassador. Full training will be given for what is undoubtedly an incredibly rewarding experience. It’s also a great opportunity to learn more about our business and meet colleagues.

Proud member of the Disability Confident employer scheme

Senior Process Engineer

Company: Thames Water

Salary: £60,000 to £60,000 a year

Hours: Full-time

Location: Hampton, TW12 2ES

Job type: Permanent

Posting date: 16 Oct 2026

Closing date: 29 Oct 2026