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Mott MacDonald • Madrid, ES; Barcelona, ES; Seville, SE, ES

Project Technical Lead - Water & Wastewater

Employment type:  Full time
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Job Description

Location/s: Madrid, Barcelona or Seville; ES
Recruiter contact: Maria Cervantes

Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices.


We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance – we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual.


Whether you want to grow as a subject matter expert or broaden your experience with roles across our international community, you’re surrounded by global specialists who want to combine their expertise and champion you to be your best. As a proudly employee-owned business, we benefit our clients, our communities, and each other, investing in creating the right space for everyone to feel empowered, included, and valued. Whatever your ambition, Mott MacDonald is where people come to be brilliant.

About the business division

The Water Utilities Division is Mott MacDonald’s centre of excellence for responding to the UK and Ireland's water and wastewater challenges. The work we do is at the forefront of ensuring safe water supplies for future generations, preventing urban flooding, and improving the health of our rivers and coastal environments. Our multi-disciplinary teams provide a variety of services throughout the full project life cycle, from advisory services and feasibility studies to outline and detailed design. Together, we deliver best-in-class solutions to our clients while offering diverse and technically stimulating opportunities to our people.

Overview of the role

Having been appointed to several UK AMP8/9 water consultancy frameworks, we are looking for a Project Technical Lead to manage the technical delivery of clean water & wastewater projects/programme of works, coordinating multi-disciplinary teams. You would build on the good work done in establishing our frameworks and work with our technical discipline leads to ensure projects within the wastewater programme are delivered on time, budget and drive technical excellence. This will be a customer facing role requiring close working relationships with our clients as part of a collaborative approach.

The role is expected to progress and evolve in line with the framework requirements and the candidates’ own skills and development areas. It offers an excellent opportunity to create future-proofed services and solutions that embrace latest innovations in digital technology and the chance to mentor the next generation of talent within our business.

Candidate specification

Essential:

  • Chartered Status (CEng) with a recognised Professional Institution
  • An understanding of conventional and innovative water or wastewater treatment technologies
  • Track record of engineering technical coordination
  • Experience in development and delivery of feasibility and outline design solutions within the UK water sector
  • Ability to support bids, fee proposals or offers of service
  • Ability to check and review technical deliverables, calculations and reports
  • Strong communication skills with experience in effective collaboration across internal multi-disciplinary teams as well as Client teams
  • Desire to take a leading role with client engagement

Desirable:

  • Track record of developing junior staff
  • Understanding of key water or wastewater sector treatments and sustainability needs
  • Understanding of drivers for treatment investment in England and Wales
  • Excellent technical report writing skills using concise English

We offer some fantastic benefits including:

  • Competitive annual leave
  • Pension scheme
  • Life insurance
  • An annual professional institution subscription
  • Private medical insurance
  • Optional benefits via salary sacrifice (restaurant voucher/transport card/day care voucher)
  • Continuous development opportunities – because we want you to thrive
  • Agile/flexible working – because life isn’t 9-5
  • Annual bonus scheme
  • Wellbeing support including access to an independent Employer Assistance Scheme, wellbeing champions and access to learning and support resources
  • Access to our Advanced Employee Networks which support our LGBTQ+, gender, race and ethnicity, disability and parents/carers communities
  • The opportunity to make a difference; learn more about our social outcomes

Employee Ownership

  • Our employee ownership model means no external investors, just us, creating a culture of shared success.
  • Our employees have a stake and a voice in our business, giving them a direct connection to our success through our personal and group performance bonuses.
  • As your career grows, so does your stake, recognising your long-term impact and contribution.
  • Your voice matters, with the opportunity to connect directly with senior leadership through formal channels to help shape our future.
  • For our senior roles you will have a direct pathway towards ownership from day one.

Agile working

At Mott MacDonald, we believe it makes business sense for you and your manager to choose how you can work most effectively to meet your client, team, and personal commitments. We offer a hybrid working policy that embraces your well-being, flexibility, and trust.

Equality, diversity, and inclusion

We put equality, diversity, and inclusion at the heart of our business, seeking to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they can contribute.

Accessibility

We want you to perform your best at every stage in the recruitment process. If you are disabled or need any support to enable you to apply or attend an interview, please contact us at reasonable.adjustments@mottmac.com and we will talk to you about how we can support you.

Apply now, or for more information about our application process, click here.

Apply now

Company benefits

Accrued annual leave
Adoption leave – 26 weeks full pay
Annual bonus
Annual pay rises
Bank holiday swaps
Bike parking
Book swaps
Buddy scheme
Buy or sell annual leave
Carer’s leave – up to 5 days, two of which are paid
Compassionate leave
Critical Illness Insurance
Cycle to work scheme
Dental coverage
Employee assistance programme
Employee discounts
Enhanced maternity leave – 26 weeks full pay
Enhanced paternity leave – 2 weeks
Enhanced pension match/contribution – matched up to 7%
Enhanced sick pay
Ergonomic workstations
Eye Care Support – Eyecare vouchers
Faith rooms
Fully stocked snack cupboard
Further education support
Health assessment
In house training
Income protection
L&D budget
Learning platform
Life assurance
Life insurance – 4 x salary
Lunch and learns
Meditation space
Meditation space
Mentoring
Modern office
On-site shower
On-site yoga classes
Open to part time work for some roles
Open to part-time employees
Pregnancy loss leave
Pregnancy support
Private booths
Private GP service – Private Medical care for all UK staff
Professional subscriptions – We pay for your primary professional annual subscription
Referral bonus
Religious celebration leave
Reservist leave – 10 days leave
Returnship
Salary sacrifice
Share options
Shared parental leave – We match up to 24 weeks full pay
Study support
Tax-free childcare
Teambuilding days
Theme park discounts
Travel loan
Women’s health leave
Menopause support

Working at Mott MacDonald

Company employees:

18,000 worldwide

Gender diversity (m:f:n-b):

0:35:65

Hiring in countries

Australia

Bulgaria

Canada

Czechia

Germany

Hong Kong

India

Ireland

Italy

Japan

Malaysia

Netherlands

New Zealand

Awards & Accreditations

Best Employee Wellbeing

Top 5 - Best Employee Wellbeing

Flexa awards 2026
Best Career Progression

Top 10 - Best Career Progression

Flexa awards 2026
2nd - Best Career Progression

2nd - Best Career Progression

Flexa awards 2025
3rd - Most Family Friendly Company

3rd - Most Family Friendly Company

Flexa awards 2025
Best Work-Life Balance

Top 5 - Best Work-Life Balance

Flexa awards 2025
Most Flexible Company

Top 5 - Most Flexible Company

Flexa awards 2025
Best Workplace Culture

Best Workplace Culture

Flexa awards 2025

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