Senior Site Agent
CompanyCostain Group PLC
Location
Newcastle Upon Tyne, England, United Kingdom
Employment TypeFull-time
Posted At1/30/2026
UK Visa Sponsorship Analytics
Occupation Type
Production managers and directors in construction
Occupation Code Skill LevelHigher Skilled
Sponsorship Salary Threshold
£53,400
(£27.38 per hour)
Occupation rate applies
Above analytics are generated algorithmically based on job titles and may not always be the same as the company's job classification. You can also check detailed occupation eligibility, and salary criteria on our UK Visa Eligible Occupations & Salary Thresholds page.
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Description
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 Northumbrian Water to the Living Water Enterprise to help shape and deliver its strategic infrastructure upgrade programme with contracts valued up to c.£670m to Costain over the next 15 years.
The Senior Site Agent will lead the delivery of projects allocated to Costain and ranging in value from £10m - £25m in this first wave. This allocation covers both STW upgrades and Storm Overflow works. You will work across the project lifecycle from concept, ECI, delivery and through handover and will be leading our design and delivery team in engagement with site operational teams and supply chain partners (on one or multiple sites). You will be developing our construction strategies and programmes and ensuring we are setting up and delivering safely to quality, time and budget.
Responsibilities
Costain have won extensive work across the water sector this year to support the AMP 8 investment cycle. We have been appointed by Northumbrian Water to the Living Water Enterprise to help shape and deliver its strategic infrastructure upgrade programme with contracts valued up to c.£670m to Costain over the next 15 years.
The Senior Site Agent will lead the delivery of projects allocated to Costain and ranging in value from £10m - £25m in this first wave. This allocation covers both STW upgrades and Storm Overflow works. You will work across the project lifecycle from concept, ECI, delivery and through handover and will be leading our design and delivery team in engagement with site operational teams and supply chain partners (on one or multiple sites). You will be developing our construction strategies and programmes and ensuring we are setting up and delivering safely to quality, time and budget.
Responsibilities
- Collaborate with the wider team to develop robust plans and forecasts for delivery aligned to the requirements of the Costain Way and Enterprise processes
- You will lead on the development of the delivery strategies and programme, budget development and delivery of work packages; ensuring robust scope challenge throughout whilst ensuring we meet the requirements
- Lead in the development of collaborative relationships with site operations teams, our supply chain and site delivery teams for effective delivery of your allocated site/s
- Create and lead a positive working culture to promote safe, efficient and high-quality delivery adapting plans to accommodate changes or improvements
- Support the drive to achieve zero LTI and RIDDOR incidents
- Ensure consistent and reliable reporting of project/services performance into the Framework
- Report key project and programme risks and work with the wider team to mitigate or manage effectively
Qualifications
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
- HNC/HND or degree in a relevant engineering discipline
- Project level experience for contracts over £5m
- Previous experience of working on multidisciplinary projects
- Experience working with MEICA interfaces and/or in a water environment would be beneficial
- A team player who can develop working relationships and demonstrate collaborative behaviours
- Experience of managing and delivering projects (or packages of work within small-medium-large projects) safely to quality, time and budget
- Practical experience and familiarity of delivery to NEC forms of contract
- Ability to build trusted relationships with key stakeholders, within your team and across the operational sites, client team, our Framework team (including design and supply chain partners) & Costain group
- Computer competence (standard Microsoft tools, document control system, Primavera software)
- Good communication and interpersonal skills
- Full UK driving licence
- SMSTS qualification
- Willingness to work across multiple sites throughout the North East
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
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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
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