WSP
Senior / Principal Hydrologist

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Senior / Principal Hydrologist
What if you could shape a career as unique as you? At WSP, you can always find opportunities to grow and do what matters to you. Make the most of our global reach to discover new challenges and chances to work with diverse, talented individuals who will help you expand your horizons.
A little more about your role …
WSP are looking for Hydrologists and Water Resources Hydrologists at all levels from Senior Consultant to Associate Director to join our Sustainable Water Management Consulting team.
Focussing on the delivery of a wide range of national infrastructure and flood risk management projects you will lead hydrological contributions for our external and internal clients. Based on your personal interests and strengths, you might find yourself contributing to
- Our national fluvial and pluvial modelling team to provide flood modelling services that support a wide range of projects, including Flood and Coastal Erosion Risk Management (FCERM) studies and strategic infrastructure initiatives across the energy, transport, government, and water sectors.
- The delivery of hydrology and water resources management services to UK water companies, aiding in the development of water resource and drought plans, new water supply assets, and supporting the Water Industry National Environment Programme (WINEP).
- Water resource assessments for the industrial and energy sectors, contributing to climate resilience and adaptation planning.
We offer a dynamic, but supportive environment for motivated and talented individuals looking to fulfil their potential. We recognise that our people are central to our success as a business and we are ready to invest in you!
Although primarily a UK based role, you will also be expected to work collaboratively with teams across WSP’s global business.
What we will be looking for you to demonstrate …
- Detailed understanding of UK hydrological techniques and knowledge of recent updates and active fields of development with a proven track record in undertaking high flow studies.
- Understanding and experience of carrying out reviews and calculations to satisfy UK statutory bodies (EA, SEPA, NRW or DfI)
- Commercial awareness, with experience of identifying and developing business opportunities as well as the preparation of winning proposals.
- A sound understanding of client needs, their opportunities and challenges, with a track record of leading and winning work.
- Excellent report-writing, technical review, numerical and analytical skills, with an eye for detail and enjoy solving challenging hydrological problems.
- Chartership with a relevant professional body (or commitment to work towards)
Reasons to use Rodeo
I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
Don’t quite meet all the criteria? Apply, and we can see how your experience aligns to this role and other opportunities within the team.
Imagine a better future for you and a better future for us all.
Work on landmark projects around the world and embrace opportunities to make an even bigger impact in the communities you care about. What if you could do the best work of your life and create a legacy for yourself?
With us, you can. Apply today.
#LI-DM2
We are one of the world’s leading engineering and professional services firms. Our 72,800 passionate people are united by the common purpose of creating positive, long-lasting impacts on the communities we serve through a culture of innovation, integrity, and inclusion. With over 9,000 professionals across the UK and Ireland, we are dedicated to our local communities and propelled by international brainpower.
WHAT’S IN IT FOR YOU?
Work-life balance
At WSP, we understand that work is just one aspect of your life. It’s important to make time for you, your family, friends, interests and your community.
Our hybrid working policy offers the flexibility to work from home two days a week, while also providing opportunities to collaborate in our modern offices across the UK.
Inclusivity & Belonging
We welcome applicants with varied backgrounds and experiences. We enable rewarding careers by encouraging people to bring their whole and authentic selves to work so that our work represents the fullest spectrum of society. We celebrate integrity and treat people with respect, supporting each other and embracing a culture of inclusion and belonging at WSP. We have our employee resource groups bring together employees and allies with different backgrounds to promote our culture of inclusivity.


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Health & Wellbeing
We are committed to supporting our people, giving you the tools to make improvements to your health and wellbeing through our Thrive programme.
Our Virtual GP service gives you access to an NHS or Irish Medical Council GP at a time and place that suits you – giving you peace of mind and quick access to medical advice when you need it most. We also provide reasonable workplace adjustments for those in need. Additionally, you can benefit from the Gymflex scheme, which offers up to 40% off annual gym memberships through our WSP flexible benefits program, as well as a comprehensive menopause support package.
Flex your time
To enhance work-life balance, WSP offers the “WSP My Hour,” allowing you to take one hour each day for personal activities, with the flexibility to make up the time earlier or later that day.
We also provide part-time and flexible working arrangements, the option to purchase additional leave, and the ability to use your bank holiday entitlement to suit you.
Your development
We understand the importance of development and training to you. That’s why we foster a supportive environment that invests in your growth, whether through training, mentoring, or Chartership.
#WeAreWSP
Here at WSP we positively encourage applications from suitably qualified and eligible candidates regardless of sex, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, pregnancy or maternity/paternity. As a Disability Confident leader, we will interview all disabled applicants who meet the essential criteria, please let us know if you require any workplace adjustments in support of your application.
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