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Principal​/Senior Design Manager - Water & Wastewater

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Arcadis
Full Time position
Listed on 2026-10-16
Job specializations:
  • Management
    Project & Program Management, Operations Management, Water Management
  • Engineering
    Operations Management, Water Management
Salary/Wage Range or Industry Benchmark: 90000 - 120000 GBP Yearly GBP 90000.00 120000.00 YEAR
Job Description & How to Apply Below
Position: Principal / Senior Design Manager - Water & Wastewater AMP8
Location: Greater London

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.

We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world’s most complex challenges and deliver more impact together.

Role description:

Our Water Optimisation team is at the forefront of delivering some of the UK's most complex and high-profile water programmes, helping clients navigate the challenges and opportunities of AMP8 and beyond. Working in partnership with leading water companies and contractors, we deliver innovative solutions across major programmes that improve resilience, sustainability and long-term environmental performance.

Dimensions of the job:
  • Responsible for delivery of medium to large scale, complex multi-disciplinary projects or elements of major projects in own discipline with fee typically in range of £1M+.
  • Demonstrable design manager capability and applied sector experience, including leading, managing and coordinating teams. Strong consulting skills including project management and client relationship management at senior management level. Experience in managing business relationships at senior management level.
Role accountabilities:
  • Technically lead and coordinate multi-disciplined wastewater or water treatment / infrastructure projects and programmes of work throughout the design life cycle
  • Collaborate with key clients, partner organisations and supply chain maintaining Arcadis’ reputation for high quality, innovative design and a positive client experience
  • Build and sustain adequate resource for the delivery of the project or programme and support identify strategic recruitment needs
  • Work with the Framework Director, Project Manager and Commercial team to manage the programme, ensure commercial rigour, deliver profitable outputs and resolve project issues efficiently
  • Provide Line Management, career direction and pastoral care to team members, taking a proactive role in developing them to their full potential, leading by example to achieve sector/divisional goals and championing a high quality, innovative and entrepreneurial culture
  • Promote a culture that is proactive on Safety, Health, Quality and Sustainability matters
  • Promote a culture of innovation, helping to develop engineering technology and continuous improvement systems
  • Performing other duties as required from time to time by your Client Manager or Arcadis Senior Leadership Team
  • Work with other Arcadis teams to foster collaboration, ensuring the collective knowledge and experience is shared across all
Qualifications &

Experience:
  • Degree in Civil, Mechanical, Electrical, Process Engineering or other directly related degree
  • Chartered or Incorporated Engineer status and membership of a professional institution such as ICE, IMechE, IET, IChemE, or CIWEM
  • Relevant water industry experience
  • Takes accountability and leads by example
  • Has excellent people management skills, ensuring that the best talent is used to meet the resource demands for the projected workload
  • Extensive experience of contract, commercial, project & programme management
  • Extensive experience of working on complex design and delivery frameworks and / or design and build projects
  • Is digitally curious and/or proficient
  • An excellent communicator at all levels who works effectively with people from other organisations, backgrounds, and disciplines, utilising their knowledge and experience to best effect
  • Demonstrable experience of building and sustaining successful teams
  • Exhibit behaviours consistent with the Arcadis vision and values
Why Arcadis?

We can only achieve our goals when…

Position Requirements
10+ Years work experience
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