Costain Group
Senior Site Agent
Skills
2 months ago
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Important information
Location:
Newcastle upon Tyne, UK
Work mode:
Hybrid
Published on:
2 September 2026
What they need
Costain 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 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.
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
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
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