Construction Assurance Engineer

Thames Water; Reading; On-site; GBP 37,000 - 45,000; Full time

Benefits offered by this job

24 days holiday

Pension Scheme

Benefits package

Job summary

Thames Water seeks a Construction Assurance Engineer to support delivery of water and wastewater projects from £150k to over £5 million. Based on-site in Reading, you will work with Construction Engineers and the Construction Assurance Manager to ensure projects are delivered safely, to approved designs and required quality standards.

You will build relationships with customers and contractors, review buildability and risk assessments, promote health and safety, and drive continuous improvement

Qualifications

• Knowledge of CDM Regulations is essential
• Strong commitment to health, safety and quality standards
• Proactive problem-solver with good organisational skills
• Excellent communication and relationship-building abilities
• Full UK driving licence; field-based role with travel to construction sites across London

Responsibilities

• Build relationships with customers, contractors and internal stakeholders on-site
• Support delivery of projects ensuring construction works are safe, on time, within budget and to approved designs
• Champion health, safety and environmental standards and promote Thames Water’s Triple Zero culture
• Provide technical and construction assurance reviewing buildability, temporary works, designs and risk assessments
• Drive quality and continuous improvement to minimise risks and promptly manage defects
• Monitor project performance and support handovers with accurate documentation

Job description

As a Construction Assurance Engineer within our Developer Services Complex Customer Projects team, you’ll support the delivery of water and wastewater projects valued from £150,000 to over £5 million. Working alongside Construction Engineers and the Construction Assurance Manager, you’ll help ensure projects are delivered safely, to the approved design and required quality standards.

What you’ll be doing as a Construction Assurance Engineer

We’re looking for an enthusiastic and motivated individual keen to develop a career in construction, Health & Safety, civil engineering or infrastructure delivery. This is a great opportunity to build technical knowledge and practical experience while helping deliver essential water infrastructure projects that benefit our customers, communities and the environment.

• Build strong relationships with customers, contractors and internal stakeholders, acting as a key point of contact on site and ensuring clear communication throughout project delivery.
• Support the successful delivery of projects, ensuring construction works are completed safely, on time, within budget and to the required quality standards and approved designs.
• Champion health, safety and environmental standards, promoting Thames Water’s ‘Triple Zero’ culture and working with contractors to identify risks, resolve issues and improve site safety.
• Provide technical and construction assurance, reviewing buildability, temporary works, designs, risk assessments and method statements to ensure solutions are safe, practical and fit for purpose.
• Drive quality and continuous improvement, identifying opportunities to improve processes, minimise risks and ensure construction defects are managed and resolved promptly.
• Monitor project performance and support successful handovers, working collaboratively with stakeholders to track progress, maintain accurate documentation and ensure projects meet agreed requirements.

This is a Field Based role

What you should bring to the role

• Enthusiastic and motivated, with a keen interest in construction, engineering and developing a career in construction assurance.
• Some construction or project delivery experience, gained through employment, an apprenticeship or relevant qualifications.
• Knowledge of CDM Regulations is essential, alongside a strong commitment to health, safety and quality standards.
• A proactive problem-solver, with good organisational skills, a willingness to learn and the ability to manage competing priorities.
• A strong team player with excellent communication skills, able to build positive relationships with customers, contractors and colleagues.
• A full UK driving licence is essential, as this field-based role involves regular travel to construction sites across London, carrying out audits, supporting health and safety activities and attending construction workshops.

What’s in it for you?

• Offering a starting salary of £41,235 per annum
• 24 days holiday per year increasing to 28 with the length of service (plus bank holidays)
• Generous Pension Scheme through AON
• 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.

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

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

Construction Assurance Engineer

Company: Thames Water

Salary: £41,235 to £41,235 a year

Hours: Full-time

Location: Reading, RG1 8DB

Job type: Permanent

Posting date: 4 Nov 2026

Closing date: 17 Nov 2026

About Disability Confident

Disability Confident is a government scheme. It encourages employers to recruit and retain disabled people and those with long term health conditions.