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Costain Group Plc

Head of Design Management

Company logo
Costain Group Plc
Delivering innovative solutions in infrastructure, energy, and water projects across the UK.
Lead design delivery, ensuring timely, cost‑effective, quality wastewater project designs.
4d ago
Expert & Leadership (13+ years)
Full Time
Brighton, England, United Kingdom
Office Full-Time
Company Size
4,000 Employees
Service Specialisms
Construction services
Project Management
Consulting
Engineering
Design
Technical Services
Sector Specialisms
Transport
Water
Energy
Defence
Road
Rail
Integrated Transport
Nuclear
Role
What you would be doing
budget management
change control
as‑built docs
supply integration
conformity inspections
progress reporting
  • Ensure that standard designs and design practices initiated during the solution phase are continued through to delivery.
  • 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 safe and constructable design solutions are delivered within authorised sums.
  • Ensure Design Team are delivering in line with the Design Management Plan / Project Execution Plan
  • Ensure design solutions meet the requirements of CMDP+ governance procedures.
  • Ensure Supply Chain designs are successfully integrated into CMDP+ project solutions.
  • Ensure Design Teams deliver timely project close out documentation including As Built record drawings.
  • 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.
  • Leading a team of design managers and discipline design engineers in the detail design and construction/commissioning phase of projects.
  • 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.
  • 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.
  • Report on design progress and escalation matters at Monthly Project Reviews
What you bring
water treatment
chartered engineer
team leadership
scope management
risk management
design‑build
  • Experience in the Water Treatment Industry
  • Experience in leading and managing multi-disciplinary design teams
  • Chartered Engineer in an engineering-related discipline
  • Must be delivery-driven with the ability to set targets, manage and motivate multi-disciplinary teams to deliver to time, cost and quality objectives
  • Able to identify and manage changes to project scope
  • Able to identify and manage project/programme risk
  • Technical and management skills
  • A successful track record of managing constructability in design
  • Experience of working in Joint Ventures
  • Experience of offsite manufactured design solutions
  • Experience of technical project delivery in a design-build environment
Benefits
Information not given or found
Training + Development
Information not given or found
Company
Overview
Founded 1865
Year Established
Established in 1865, the company has over 150 years of experience in engineering and construction.
  • A leader in providing innovative solutions, specializing in complex, large-scale projects across the UK.
  • Their expertise spans infrastructure, energy, water, and other high-impact sectors.
  • Deep history in delivering projects for government, private, and public sector clients.
  • Recent notable projects include major works in energy, water, and transport sectors, including upgrades to critical infrastructure.
  • Known for integrating cutting-edge technology to enhance project delivery and safety outcomes.
  • Services extend from consultancy and design to construction and asset management.
  • Deeply involved in shaping the UK’s energy transition, particularly in sustainable power generation.
Culture + Values
5% reduced incidents
Safety improvement
Achieved a 5% reduction in workplace incidents over the past three years through comprehensive safety training and equipment upgrades.
100% renewable energy
Energy commitment
Committed to sourcing 100% of our electricity from renewable energy sources by 2025.
95% satisfaction rate
Customer loyalty
Achieved a 95% customer satisfaction rate by consistently meeting and exceeding customer expectations.
50% engagement increase
Employee wellness
Increased employee engagement by 50% through initiatives focused on mental and physical wellbeing.
  • Integrity – doing the right things in the right way
  • Customer focus – striving for excellence through understanding, anticipating and meeting customer needs
  • Be collaborative – teamwork through being connective and inclusive
  • Be curious – being innovative, agile and constantly learning
  • Be caring – being empathetic and considerate in what we do
  • Be courageous – being bold and committed to being better
Environment + Sustainability
38% Scope 1 Emissions
Carbon Reduction Target
Achieved a significant reduction in operational emissions compared to baseline.
80% HVO Fuel Mix
Sustainable Fuel Adoption
Increased the proportion of hydrotreated vegetable oil in the fuel mix.
10% Emission Intensity
Carbon Efficiency Improvement
Reduced emission intensity per revenue unit compared to baseline.
100% Renewable Electricity
Clean Energy Transition
All office energy consumption sourced from renewable tariff-backed providers.
  • Commitment to deliver low-carbon whole-life solutions to every client by 2023 and to be net zero by 2035
  • Net zero target for operational and supply-chain emissions (Scope 1, 2 by 2035; Scope 3 by 2045)
  • Emission intensity (tCO₂e/£M revenue) reduced by 10% compared to baseline
  • Introduction of a Low Carbon Materials mandate for concrete, cement and asphalt
  • October 2024 Board-approved climate transition plan with accelerated decarbonisation targets
  • Carbon reduction tool deployed in 2024 for enhanced Scope 1, 2 and supply-chain emissions tracking
  • PAS 2080:2023 verification for carbon management in infrastructure achieved Q4 2024
  • Company awarded London Stock Exchange Green Economy Mark in 2024
Inclusion & Diversity
75% Participation
Best Companies Accreditation 2024
Achieved 'A Very Good Company to Work for' Best Companies one-star accreditation with 75% employee participation.
26 Weeks Leave
Enhanced Parental Leave Policy
Improved maternity and adoption leave to 26 weeks full pay, paternity leave to 8 weeks full pay, and introduced 5 days paid carers' leave.
46/50 Score
Considerate Constructors Scheme
Achieved an average score of 46/50 in Considerate Constructor Scheme contracts, exceeding the industry average of 41.
41% Spend
SME Contract Spend
41% of total contract spend (£650m) went to SMEs in 2024, exceeding the UK Government's 33% target.
  • Achieved Disability Confident Level 3 and Disability Confident Leader status in 2024
  • Workforce of ~14,500 people across 170+ sites, with over 30 million hours worked in FY 2024
  • Since 2016, engagement increased and incidents halved, reflecting safer and more engaged workforce
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