Construction Assurance Manager

Thames Water Utilities Limited; Greater London; On-site; GBP 60,000 - 79,000; Full time

Job summary

A large water and wastewater utility in Greater London seeks a Construction Assurance Manager to lead compliance assurance in major projects. Responsibilities include managing a team, ensuring project deliverables are met, and improving assurance processes. Candidates should have an engineering degree and a background in wastewater processes. This full-time role offers a competitive salary up to £79,000 plus benefits, including a car allowance and a supportive work environment.

Benefits

Car allowance of £5,800 per annum

26 days holiday per year, increasing to 30

Annual Bonus

Private Medical Health Care

Contributory pension – Maximum of 12%

Personal Medical Assessments

Wider benefits scheme

Qualifications

• Hold an engineering degree or a background in a similar role.
• Have enough knowledge for technical reviews of project details.
• Experience in developing, designing, constructing, or operating wastewater treatment works.

Responsibilities

• Lead assurance within major projects team ensuring compliance.
• Manage a team of engineers to drive consistency.
• Engage with asset management to identify effective solutions.

Skills

Technical understanding of wastewater treatment processes

Effective communication

Project management

Performance and quality management

Education

Engineering degree

NEBOSH General or Construction Certificate

Job description

Job title Construction Assurance Manager Ref 43504 Division Asset Operations & Capital Delivery Location Beckton - IG11 0AD Contract type Permanent Full/Part-time Full-time Salary Competitive salary from £60,000 to £79,000 per annum, depending on the skills and experience of the successful candidate. Job grade C Closing date 31/12/2025

Are you an experienced construction professional with a background in wastewater, or a background in another industry with transferable skills?

Thames Water have an exciting opportunity for you!

We’re seeking a Construction Assurance Manager to lead assurance within our major projects team, ensuring compliance with policies, specifications, and best practices. You’ll provide proactive leadership through construction, commissioning, and handover, influence early project development for constructability and commissioning, and manage a team of up to eight engineers to drive consistency and innovation.

This role also involves improving assurance processes, resolving escalated issues, ensuring consultant compliance, and leading defect management to guarantee timely resolution. Join us to play a key role in delivering safe, efficient, high-quality projects.

What you’ll be doing as a Construction Assurance Manager

• Providing a technical understanding of the Wastewater Treatment work processes to ensure that the day-to-day operation of our treatment plants is not disrupted.
• Ensuring compliance with environmental requirements in asset design and delivery, monitoring delivery performance and working with contractors to address issues and improve performance.
• Manage the input of consultant specialists and subject matter experts, delivering the construction phase assurance on all wastewater projects within your portfolio of work.
• Engage with Asset Management. Engineering and Operations: Identify synergies and use lessons from previous projects to agree on the most effective solutions.
• Support the assessment and appointment of contractors and consultants.
• Manage the Operational Integration team to ensure project deliverables are clear and agreed upon by all stakeholders.
• Verify and approve project plans. (Project Delivery Plan, Commissioning Plan, test plans).

The successful candidate will be based at an Office within the East London catchment of Thames Water, Beckton and Crossness STW are the main sites however an expectation of this role is to travel across the whole of Thames Water catchment.

As part of this role, you must be on-site 4 days a week, as required by the business.

36 hours a week - Monday to Friday.

Successful candidates should hold a valid driving licence and have access to personal transportation – this role comes with a £5,800 per annum car allowance.

What you should bring to the role

• Hold an engineering degree or a background in a similar role.
• Have a technical understanding of the principles and processes involved in developing, designing, constructing, and operating wastewater treatment works or substantial experience in a similar process environment.
• Have sufficient knowledge and capability for the technical review of project details.
• NEBOSH General or Construction Certificate.
• Understanding of performance and quality management.

What’s in it for you?

• Competitive salary from £60,000 to £79,000 per annum, depending on the skills and experience of the successful candidate.
• This role will come with a car allowance of £5,800 per annum.
• 26 days holiday per year, increasing to 30 with the length of service. (plus bank holidays).
• Annual Bonus.
• Private Medical Health Care.
• Contributory pension – Defined Contribution - Maximum of 12% - 2x employee contribution.
• Personal Medical Assessments – Open to all once a year.
• Wider benefits scheme including our benefits hub, which is packed full of offers and information to save you money and support your wellbeing.

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 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.

Disclaimer: due to the high volume of applications we receive, we may close the advert earlier than the advertised date, so we encourage you to apply as soon as possible to avoid disappointment.