Costain
Construction Manager
1 month ago
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Important information
Contract type:
Permanent
Location:
Southampton, UK
Work mode:
Onsite
Published on:
16 September 2026
What they need
CMDP, a Joint Venture between Costain and MWHT, have been selected by Southern Water to deliver essential infrastructure solutions for its next AMP8 investment programme. The award is for an initial seven-year term worth at least £500m to Costain, with an option to extend by up to five years.
The strategic delivery partner framework will deliver upgrades to water and wastewater assets, including treatment sites, pumping stations and reservoirs, during Asset Management Period 8 (AMP8) and beyond. Southern Water expects that its AMP8 programme, which runs from 2025 to 2030, will be the largest it has ever undertaken.
We are looking for a Construction Manager to join our growing team.
Responsibilities: Responsibilities
Develop scheme Health, Safety and Environmental Management Plan (HASEMP)
To ensure works are constructed defect free
Ensure all works are undertaken with due regard to the needs of the local population within the immediate vicinity of the works and the travelling public as a whole
Manage, supervise and mentor the site team as appropriate
Ensure only adequately trained and experienced operatives are engaged on site to deliver the scheme
Adopt, maintain and promote cost conscious management through efficient use of all resources
Ensure realistic scheme programmes are prepared, reviewed and updated
Ensure method statements and risk assessments are prepared, reviewed, briefed and updated
Deliver site inductions and regular tool box talk briefings to all site personnel
Ensure all plant and equipment used is fit for purpose, only operated by suitably trained personnel and regularly inspected
Ensure all records for measurement and payment purposes are prepared promptly, in appropriate form
Keep line management apprised of potential problems and opportunities
Ensure all “as constructed” records are provided to the CDMC for inclusion within the Health and Safety File in a timely manner following scheme completion
Management of temporary coordination
Knowledge, Skills, and Experience
Essential
Recognised Civil Engineering/Site Management Qualifications
Degree in Civil Engineering/Construction Management
Health, Safety and Environmental Management (IOSH or Construction Managers Safety Certificate
Valid Driving Licence
CSCS Site Manager (Min)
First Aid at Work
Understanding of Engineering Principles
Incorporated or Chartered status
#LI-BM1
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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