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Job Description
Costain have won extensive work across the water sector this year to support the AMP 8 investment cycle. We have been appointed by United Utilities as one of 7 partners to the Enterprise, delivering £5.5bn of projects in the Asset Management Period 8 (AMP8) between 2025 – 2030, and AMP 9 (2030 – 2035). Our scope is to provide project management, design, construction and commissioning services on design and build schemes throughout the Northwest and Cumbria region covered by United Utilities. Projects vary in value, covering both infrastructure and non-infrastructure assets on water and wastewater sites with wider Enterprise partners.
As part of the AMP8 Wigan WwTW is seeing a £230m upgrade which is being delivered by Costain, along with our partners MWH Treatment. Costain scope will see the civils construction, mechanical & electrical fit out & commissioning of a new ASP & MBR plant, the largest in the UK. Scope of works will include (but not limited to); earthworks, pilling, significant reinforced concrete, mechanical pipework & electrical fit out.
The role is to ensure the effective performance of all quality activities against the compliance requirements of project specifications and standards. Endorse and demonstrate good quality attitudes and behaviours in line with the company policy values. Promote and develop a ‘Right First Time’ culture throughout the project. Support the site team, undertake internal audits and assist with close out actions.
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
- Work with Enterprise Quality Manager to Implement and maintain the Contract management and Quality Plan and Policy, procedures as required. Provide feedback, report to Quality Manager/Lead, and contribute to regular Quality meetings.
- Work with the project delivery team to ensure “Right First Time” and drive positive quality and Health and Safety cultures.
- Maintain a good working relationship with Client and associated project personnel
- Maintain accurate QA/QC records, traceability documents and testing reports
- Work with Package managers and lab/materials managers to ensure materials being incorporated into the Works comply with the specification, supporting the Enterprise Material Approval process and any testing requirements
- Attend /Facilitate as required, Quality Risk Reduction meetings, provide insight and contribute to creation of RAMS.
- Assist project team with creation of ITPs and ensure relevant inspection and hold points are identified and programmed.
- Engage with supply chain to review and approve Quality Documentation.
- Assist Construction team engineers to create and maintain quality documentation and assist with inspections of works in process and completed
- Undertake inspections, attend hold points, monitoring quality and compliance with standards as part of the day-to-day running of the project.
- Identify Non-Conformances and Defects against approved detailed design. Contribute to Root Cause analysis, resolution, and prevention of further occurrences.
- Assist with planning and carrying out audits of the works on site and possibly off-site fabrication facilities.
- Assist with collating and compiling Client handover documentation.
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I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
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Graduate Consultant — 2026 Scheme
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StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
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Essentials
Knowledge, Skills, and Experience
- Experience in a quality process within the construction industry.
- Organized individual with good communication skills
- Experience in multi discipline works, Civils /Mechanical/Electrical
- Knowledge of ISO 9001:2015
- Meticulous attention to detail
- Leading Meetings and working as part of the integrated delivery team
Desirable
- Engineering qualification or relevant experience of engineering methodologies.
- Knowledge of working within the water industry
Qualifications
Essential
- Be on track or have achieved professional qualifications such as Chartership or Incorporated Status
- Educational experience relevant to their engineering discipline, ideally degree qualified to a 2:1 or better
- Secondary level education, such as A levels, BTEC, T levels etc
- Safety passport or similar
- Full UK driving licence


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Desirable
- Additional technically focused qualifications / training
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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