Principal Water Engineer


Cardiff, UK 🇬🇧

Principal Water Engineer 

Why Arup?  

Are you passionate about building a more sustainable future? At Arup we work to find solutions for some of the world’s most complex problems – providing expertise across all areas of the built environment from strategic approach and planning to design and engineering. 

Join us and you will have the freedom to push boundaries, develop new skills and work on some of the world’s most inspiring projects. We believe that by giving our people the freedom to be creative, we will produce work that continuously redefines quality across our firm. Whatever the role or specialism, our people are passionate about what they do, they believe in our values and are happy to come to work every day. And this is why people choose to work here and stay.  

The Opportunity 

Across the West of the UK, we have a team of 150+ multi-disciplinary water engineers working closely together on a wide variety of flood and coastal risk management, waste and clean water infrastructure and non-infrastructure assets.  

We are seeking a principal water civil engineer, ideally located in Cardiff or Bristol, to help lead and/or manage a diverse range of projects within our major client portfolios.  We are looking for individuals who are passionate about technical excellence and providing an outstanding service to our clients.   

You will technically lead and/or manage projects to suit your skill set and preferred development needs. As a senior member of an established and growing team, you will mentor and delegate work amongst engineers and other specialists, supporting them with your experience.  

You will have the opportunity to make a difference – to Arup, to your career, to our staff and to the clients and communities we serve. 

Is this role right for you?  

We are looking for a senior water civil engineer with curiosity, personal drive, and technical know-how. Engineering experience in the UK water sector or risk management authority sector is essential.    

  • A relevant degree and Chartered Engineer status.  
  • Proven technical design lead for pressure pipeline schemes, and ideally experience in leading / working on pumping station projects  
  • Experienced in outline and detailed design of potable water and sewer rising main pressurised pipelines  
  • Experienced in the design of gravity sewer infrastructure projects  
  • Proven skills in the commercial management of design projects including preparing fee proposals, preparing programmes, monthly reporting and submissions, AFPs, managing and coordinating design teams  
  • High competence with pressure pipeline hydraulics, experience of using GIS and 3D CAD packages.

Not ready to apply just yet, or have some questions? Contact me via email at Please note that all applicants must apply directly via the job portal. 

If this role is not quite what you are looking for but you are interested in other opportunities, please sign up to our Talent Community where you will be kept up to date with roles suitable for you.’  

Rewards and Benefits 

We care about you and want you to perform at your best, which is why we offer one of the most competitive benefits packages in our sector. 

As a member organisation, everyone shares in our success through a global profit share scheme (payments are dependent on the firm’s financial performance). 

We also provide Private medical insurance, Life assurance, Accident insurance and Income protection cover. In addition, you’ll have access to flexible benefits to help you look after all aspects of your wellbeing and give you the freedom and flexibility to find the best solutions for you, your family, and your individual needs. 

Different people, shared values. 

At Arup, we believe when talented people collaborate, great things are possible. Arup hires people with proven skills and open minds. We are taking deliberate action to create an inclusive culture that is grounded in our purpose to shape a better world. 

At Arup, we welcome candidates from all backgrounds, regardless of age, disability, gender, gender identity, gender expression, race, religion or belief, sexual orientation, socioeconomic background, and any other protected characteristic. Our internal employee networks – BAME, Culture, Disability, LGBTQ+ and Women – provide a space for you to express your views and to make a positive difference – discover more about life at Arup here. 

At Arup, we are committed to making all stages of our recruitment process accessible to candidates with disabilities. Please speak to our recruitment team and we will work with you to make reasonable adjustments to ensure you can perform at your best throughout your application. 

At Arup, we appreciate that everyone’s circumstances are different and having the freedom to flex the way we work is essential to our wellbeing. If flexibility matters to you let us know when you apply, and we will discuss how this could work in your role. 

Our Application Process 

To understand what to expect next, please visit our UK Application Process page. 

Stay safe online – Arup will never ask for payment or your bank details as part of our recruitment process. 





IHE Delft MSc in Water and Sustainable Development