Hydraulic Modellers (Flood Risk Management)

At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission‑critical outcomes, operational advancement, scientific discovery and cutting‑edge manufacturing, turning abstract ideas into realities that transform the world for good.

Your impact

Shape the future of flood resilience across Ireland - Location Dublin, Cork or Belfast.

What if your work could help protect communities, critical infrastructure, and the environment from the growing impacts of flooding?

As a Hydraulic Water Modeller, you'll play a pivotal role in delivering some of the largest Flood Risk Management programmes in the UK and Ireland. Working on major frameworks with leading water and public sector clients, you'll help develop innovative solutions that reduce flood risk, improve water resilience, and create a lasting positive impact for future generations.

This is more than a modelling role. It's an opportunity to influence how communities adapt to climate challenges while building your expertise on technically diverse, high‑profile projects.

We're committed to helping you do your best work while building a career you're excited about.

You'll benefit from

• The opportunity to work on some of the industry's most significant flood risk and catchment management programmes
• Exposure to projects spanning rivers, coasts, urban environments, reservoirs, and water resources
• Clear career development pathways and support towards Chartership (ICE, CIWEM or equivalent)
• Opportunities to mentor others and grow your leadership capability
• Access to industry‑leading tools, technology, and innovation initiatives
• Flexible and hybrid working options that support work‑life balance
• A collaborative team culture where your ideas are encouraged and valued

Joining our growing Water Catchment Management team, you'll work across the full project lifecycle, from strategic planning and modelling studies through to detailed design and delivery.

You'll help develop and apply innovative hydraulic modelling solutions, including leading software such as Flood Modeller, helping clients make better decisions and deliver successful outcomes.

Working closely with multidisciplinary teams, you'll contribute to projects covering

• Flood risk management
• Reservoir safety and design
• Water resources planning
• Coastal, fluvial, and urban flood modelling
• Surface water management and flood strategy development
• Flood mapping and catchment studies
• Developing, calibrating, interpreting, and reviewing 1D and 1D‑2D hydraulic models using industry‑standard software including Flood Modeller, TUFLOW, InfoWorks and HEC‑RAS
• Analysing and interpreting data using GIS platforms such as ArcGIS, QGIS, and MapInfo
• Applying analytical methods using Python, R, or similar tools
• Producing and reviewing high‑quality technical reports and modelling outputs
• Collaborating with multidisciplinary teams to deliver exceptional client outcomes
• Driving innovation by challenging conventional approaches and identifying smarter solutions
• Supporting technical assurance, peer reviews, and quality checking activities
• Mentoring and developing junior team members to strengthen team capability

Here's what you'll need

• Degree, Master's, or equivalent qualification in Civil Engineering, Environmental Science, Geography, Mathematics, or a related discipline
• Experience developing and applying 1D and 2D hydraulic models for river, urban, or coastal flooding projects
• Strong working knowledge of hydraulic modelling software such as Flood Modeller, TUFLOW, InfoWorks ICM, or HEC‑RAS
• Experience undertaking hydrological assessments and calculations
• Ability to review and assure technical modelling outputs
• A collaborative mindset with a passion for knowledge sharing and team development
• Working towards or already holding Chartered status with ICE, CIWEM, or an equivalent professional body

Ready to Make an Impact?

If you're looking for a role where your expertise will directly influence how communities respond to flood risk and climate challenges, we'd love to hear from you.

Join us and help create safer, more resilient places for generations to come.

Joining Jacobs not only connects you locally but globally. Our values stand on a foundation of safety, integrity, inclusion and belonging. We put people at the heart of our business, and we truly believe that by supporting one another through our culture of caring, we all succeed. We value positive mental health and a sense of belonging for all employees.

With safety and flexibility always top of mind, we’ve gone beyond traditional ways of working so you have the support, means and space to maximize your potential. You’ll uncover flexible working arrangements, benefits, and opportunities, from well‑being benefits to our global giving and volunteering program, to exploring new and inventive ways to help our clients make the world a better place. No matter what drives you, you’ll discover how you can cultivate, nurture, and achieve your goals – all at a single global company. Find out more about life at Jacobs.

We aim to embed inclusion and belonging in everything we do. We know that if we are inclusive, we’re more connected and creative. We accept people for who they are, and we champion the richness of different perspectives, lived experiences and backgrounds in the workplace, as a source of learning and innovation.

We are committed to building vibrant communities within Jacobs, including through our Jacobs Employee Networks, Communities of Practice and our Find Your Community initiatives, allowing every employee to find connection, purpose, and belonging. Find out more about our Jacobs Employee Networks here.

Jacobs partners with VERCIDA to help us attract and retain talent from a wide range of backgrounds. For greater online accessibility please visit to view and access our roles.

As a disability confident employer, we will interview disabled candidates who best meet the criteria.

We welcome applications from candidates who are seeking flexible working and from those who may not meet all the listed requirements for a role.

We value collaboration and believe that in‑person interactions are crucial for both our culture and client delivery. We empower employees with our hybrid working policy, allowing them to split their work week between Jacobs offices/projects and remote locations enabling them to deliver their best work.

Your application experience is important to us, and we’re keen to adapt to make every interaction even better. If you require further support or reasonable adjustments with regards to the recruitment process (for example, you require the application form in a different format), please contact the team via Careers Support.

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