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Head of Design Management

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Job Description

As a key member of the Regional Design Leadership Team, the Head of Design Delivery for Wastewater will be accountable for time, cost and quality of design production during the detail design phase and construction/commissioning support phase of our AMP8 Wastewater projects. The successful candidate will be a seasoned professional with extensive Design and Build experience in the Water Sector with strong technical capability directing teams on constructability matters. The candidate will also have exceptional communication skills and a 'hands on' approach to supporting our integrated Design and Delivery Teams resolving design challenges encountered during the construction phase.

Key responsibilities:

  • Leading a team of design managers and discipline design engineers in the detail design and construction/commissioning phase of projects.
  • Ensure safe and constructable design solutions are delivered within authorised sums.
  • Establish collaborative working relationships with the client, design teams, construction staff and supply chain representatives to promote buildability and supply chain efficiency in design outputs.
  • Ensure design solutions meet the requirements of CMDP+ governance procedures.
  • Agree design budgets, monitor performance against the budget and provide forecast costs to completion for individual projects. Ensure Design Teams record, monitor and control design changes to maximise cost efficiency.
  • Ensure Design Team are delivering in line with the Design Management Plan / Project Execution Plan
  • Report on design progress and escalation matters at Monthly Project Reviews
  • Coordinate both internal and Client Site Conformity Inspections across the Wastewater programme.
  • Ensure your own continuous professional development by participating in external networking/conferences/associations/groups, to stay current on industry changes and innovations.

    Person Specification

    Essential:

  • Experience of technical project delivery in a design-build environment
  • A successful track record of managing constructability in design
  • Experience in the Water Treatment Industry
  • Experience in leading and managing multi-disciplinary design teams
  • Must be delivery-driven with the ability to set targets, manage and motivate multi-disciplinary teams to deliver to time, cost and quality objectives
  • Technical and management skills
  • Able to identify and manage project/programme risk
  • Able to identify and manage changes to project scope

    Desirable:

  • Chartered Engineer in an engineering-related discipline
  • Experience of working in Joint Ventures
  • Experience of offsite manufactured design solutions

Responsibilities

As a key member of the Regional Design Leadership Team, the Head of Design Delivery for Wastewater will be accountable for time, cost and quality of design production during the detail design phase and construction/commissioning support phase of our AMP8 Wastewater projects. The successful candidate will be a seasoned professional with extensive Design and Build experience in the Water Sector with strong technical capability directing teams on constructability matters. The candidate will also have exceptional communication skills and a 'hands on' approach to supporting our integrated Design and Delivery Teams resolving design challenges encountered during the construction phase.

Key responsibilities:

  • Leading a team of design managers and discipline design engineers in the detail design and construction/commissioning phase of projects.
  • Ensure safe and constructable design solutions are delivered within authorised sums.
  • Ensure design solutions meet the requirements of CMDP+ governance procedures.
  • Ensure that standard designs and design practices initiated during the solution phase are continued through to delivery.
  • Ensure Supply Chain designs are successfully integrated into CMDP+ project solutions.
  • Agree design budgets, monitor performance against the budget and provide forecast costs to completion for individual projects.
  • Ensure Design Teams record, monitor and control design changes to maximise cost efficiency.
  • Report on design progress and escalation matters at Monthly Project Reviews
  • Coordinate both internal and Client Site Conformity Inspections across the Wastewater programme.
  • Ensure Design Teams deliver timely project close out documentation including As Built record drawings.
  • Ensure your own continuous professional development by participating in external networking/conferences/associations/groups, to stay current on industry changes and innovations.

#LI-BM1

Qualifications

Essential

  • Experience of technical project delivery in a design-build environment
  • A successful track record of managing constructability in design
  • Experience in the Water Treatment Industry
  • Experience in leading and managing multi-disciplinary design teams
  • Must be delivery-driven with the ability to set targets, manage and motivate multi-disciplinary teams to deliver to time, cost and quality objectives
  • Technical and management skills
  • Able to identify and manage project/programme risk
  • Able to identify and manage changes to project scope

    Desirable:

  • Chartered Engineer in an engineering-related discipline
  • Experience of working in Joint Ventures
  • Experience of offsite manufactured design solutions

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

About the Team

CMDP is a joint venture between Costain and MWHT and delivers a range of schemes to maintain and improve Southern Water's water supply and wastewater treatment works in the eastern half of its region (Kent & Sussex).

Head of Design Management

Costain
Brighton and Hove, UK
Full-Time

Published on 10/08/2025

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