Design & Project Manager

Mott MacDonald Bentley are recruiting for a Project Design Manager to join our office in Madrid, Barcelona or Seville and support our work with the @one Alliance as part of a remote design and build team.

With an ambitious £2.3 billion capital investment in AMP8, we are revolutionising infrastructure, sustainability, and digital transformation to protect the environment and support growing communities

As a Project Design Manager, you’ll take technical ownership of major infrastructure projects from initial feasibility through to detailed design and handover. You’ll coordinate design delivery across multi-disciplinary teams, ensuring designs are practical, sustainable, and aligned with cost, time, and quality expectations. These projects make a real difference to the community

You’ll act as a key point of contact across the project lifecycle, working closely with project leaders, engineers, construction teams, and external stakeholders to ensure seamless delivery. Leading the design process on major capital projects, from early concept through to detailed technical development and design assurance.

Ensuring design outputs are fully integrated, meeting the operational, commercial, and environmental objectives of the wider project.

Acting as Principal Designer under CDM regulations, managing design risk and ensuring that safety is considered at every stage.

Driving digital design excellence, supporting the use of BIM and 3D modelling to improve coordination, data integration, and project outcomes.

Liaising with project leaders and delivery teams to plan and allocate design resources effectively, ensuring all technical aspects remain on track.

Building strong working relationships with internal and external stakeholders, ensuring that designs reflect the needs of operators, contractors, regulators, and the community.

Championing best practice across quality, health and safety, and performance – both within your own team and the wider Alliance.

Mentoring junior engineers and designers, creating a positive learning culture and helping others grow their skills and confidence.

Driving collaboration across disciplines, promoting a one‑team mindset and helping to unlock value at every stage of the design process.

We’re looking for a confident and technically capable design leader, someone who understands the bigger picture but isn’t afraid to get stuck into the detail when needed. Proven experience in a design or engineering leadership role within complex infrastructure or water‑related projects, ideally experience of the UK water sector.

A working knowledge of CDM 2015 regulations, with prior experience acting as Principal Designer or managing design risk.

A strong understanding of project delivery in a multi‑disciplinary environment.

Experience with digital design tools, BIM workflows, and integrated design processes.

A proactive, solution‑focused mindset with a commitment to quality and continuous improvement.

We want you to perform your best at every stage in the recruitment process. Happy to talk Flexible Working and how we can support your responsibilities beyond the workplace.

Holiday entitlement

Private medical insurance

Agile/flexible working – because life isn’t 9-5

Access to our Advanced Employee Networks which support our LGBTQ+, gender, race and ethnicity, disability and parents/carers communities

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