Head of Water – Engineering Services

Company: COSTAIN GROUP

Location: Greater Manchester

Posted: May 20th, 2026

Job Description

Costain has secured positions on a variety of AMP8 frameworks (Thames Water, Southern Water, Severn Trent Water, Yorkshire Water, Northumbrian Water & United Utilities) providing a strong pipeline of water and wastewater programme delivery opportunities across the country.

The Head of Water role within our Engineering Services team will head up the delivery of multi‑disciplinary engineering services across a vast number of project sites and frameworks. They will be primary point of contact between Costain's Water sector and Engineering Services business, working closely with Framework Directors to identify and secure opportunities for the internal delivery of engineering services, as well as shaping engineering delivery plans and bid win strategies.

You will work with Engineering Discipline Leads to shape value propositions and be accountable for the successful delivery of multi‑disciplinary engineering services across Costain's portfolio of Water projects through appropriate deployment of people, processes and systems.

This is an opportunity to play an integral role in driving Costain's growth and strategic objectives of being an engineering‑led business within the Water Sector.

This role will report directly to the Group Director of Engineering Services. The role offers a hybrid working arrangement predominantly based in London or Manchester, with a requirement to occasionally work at multiple locations throughout the UK depending on contract needs.

At Costain, we believe diverse perspectives drive innovation. If you're passionate about making a positive impact and think you can bring value to our team, we'd love to hear from you—even if you don't tick every box. Your unique skills and experiences could be exactly what we need.

Responsibilities

Knowledge, Skills, and Experience

Essential

Desirable

Qualifications

About Us

Costain helps to improve people's lives with integrated, leading edge, smart infrastructure solutions across the UK's energy, water, transportation and defence markets. We help our clients improve their business performance by increasing capacity, improving customer service, safeguarding security, enhancing resilience, decarbonising and delivering increased efficiency. Our vision is to be the UK's leading smart infrastructure solutions company. We will achieve this by focusing on blue chip clients whose major spending plans are underpinned by strategic national needs, regulatory commitments, legislation or essential performance requirements. We offer our clients leading edge solutions that are digitally optimised through the following five services which cover the whole lifecycle of their assets: future‑shaping strategic consultancy; consultancy and advisory; digital technology solutions; asset optimisation and complex programme delivery. Our culture and values underpin everything we do.

Costain appreciate the time and effort taken when applying for one of our positions but, due to the high volume of responses, we are unable to provide individual feedback on candidates at application phase.

We do share individual feedback following an interview.

A Disability Confident employer

Will generally offer an interview to any applicant that disclose they have a disability and meets the minimum criteria for the job as defined by the employer. It is important to note that in certain recruitment situations such as high‑volume, seasonal and high‑peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non‑disabled people.

For more details please go to the Disability Confident website: https://www.gov.uk/government/collections/disability-confident-campaign

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