Senior Wastewater Modeller - Ireland

Jacobs Solutions Inc.; Dublin; Hybrid; EUR 70,000 - 100,000; Full time

Benefits offered by this job

Hybrid working options

Flexible working hours

Wellbeing initiatives

Volunteer opportunities

Employee benefits and programmes

Job summary

Jacobs Ireland is seeking an experienced Senior Wastewater Modeller to join the Water and Environment team in Dublin or Cork. The role supports major wastewater infrastructure programmes across Ireland while enabling opportunities to contribute to international projects.

You will work on a diverse portfolio, including networks, asset planning and capital investment, with emphasis on sustainable outcomes, resilience, and environmental improvement.

Qualifications

• Degree-qualified in Civil Engineering, Environmental Engineering, Water Engineering, or a related discipline.
• Membership of, or progression towards, a recognised professional institution such as Engineers Ireland, ICE, CIWEM or an equivalent professional body.
• Experience in wastewater network modelling and hydraulic analysis, water distribution modelling, and asset management.
• Experience using modelling software such as InfoWorks ICM, InfoWorks WS Pro, Synergi Water or equivalent.

Responsibilities

• Lead and deliver wastewater network modelling and analysis projects.
• Develop, calibrate and verify hydraulic models using industry-standard software.
• Support strategic planning, infrastructure design and investment programmes.
• Collaborate with multidisciplinary teams across water, environmental and engineering disciplines.
• Build and maintain strong relationships with clients and stakeholders.
• Mentor junior team members and contribute to modelling capability growth.
• Drive innovation through digital tools and data-led solutions.

Skills

Wastewater modelling

Hydraulic analysis

InfoWorks ICM/WS Pro

Multidisciplinary teamwork

Education

Civil/Environmental/Water Engineering degree

Tools

InfoWorks ICM

Synergi Water

Job description

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

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.

With more than 55,000 people across 40+ countries, Jacobs offers the opportunity to work on some of the most complex and rewarding infrastructure projects while developing your career in a supportive, inclusive and flexible environment. We put people at the heart of everything we do, empowering our teams to grow professionally, embrace new challenges and make a positive impact on communities across Ireland and beyond.

People are our greatest asset, and we offer a competitive rewards package designed to attract and retain the best talent. In addition to a market-leading salary, you'll benefit from flexible and hybrid working arrangements, professional development support, wellbeing initiatives, paid volunteering opportunities, and access to a range of employee benefits and programmes that support your personal and professional growth.

Work-life balance and flexibility are a key focus at Jacobs, and we're happy to discuss hybrid working, flexible hours and alternative working arrangements that work for you and our business.

About the Opportunity

This is an exciting time to join Ireland's water sector. Significant investment is planned across water and wastewater infrastructure to support population growth, improve environmental outcomes, enhance network resilience and help meet Ireland's sustainability and climate ambitions.

Jacobs is playing a key role in delivering these improvements through long-term partnerships with clients across Ireland, the UK and globally. We provide technical excellence in water and wastewater modelling, asset management, infrastructure planning and programme delivery, helping our clients make informed investment decisions and deliver lasting benefits to communities.

We are looking for experienced Senior Wastewater Modellers to join our growing Water and Environment team. These roles can be based in Dublin or Cork, supporting major wastewater infrastructure programmes across Ireland while also providing opportunities to contribute to high-profile projects internationally.

You'll work on a diverse portfolio of projects covering wastewater networks, asset planning, growth assessments, hydraulic modelling, wastewater strategy development and capital investment programmes. Our projects place sustainability at their core, helping to protect the environment, improve water quality, enhance network performance and create resilient infrastructure for future generations.

What You'll Do

• Lead and deliver wastewater network modelling and analysis projects.
• Develop, calibrate and verify hydraulic models using industry-standard software.
• Support strategic planning, infrastructure design and investment programmes.
• Collaborate with multidisciplinary teams across water, environmental and engineering disciplines.
• Build and maintain strong relationships with clients and key stakeholders.
• Mentor and support junior team members, contributing to the growth of our modelling capability.
• Help drive innovation through the application of digital tools and data-led solutions.

Why Join Jacobs?

Joining Jacobs means becoming part of a globally recognised team of water professionals while helping deliver transformative projects that directly benefit communities across Ireland. You'll have access to industry-leading technical expertise, structured career development opportunities, and the chance to work on some of the most significant water infrastructure programmes in the country.

Whether you're looking to deepen your technical expertise, broaden your project experience or take the next step into leadership, Jacobs provides the support, flexibility and opportunities to help you succeed.

Locations: Dublin or Cork
Working Pattern: Hybrid and flexible working options available

Here's what you'll need

• Degree-qualified in Civil Engineering, Environmental Engineering, Water Engineering, or a related discipline.
• Membership of, or progression towards, a recognised professional institution such as Engineers Ireland, ICE, CIWEM or an equivalent professional body.
• Experience in one or more of the following areas:
  • Wastewater network modelling and hydraulic analysis
  • Water distribution network modelling
  • Wastewater collection systems and treatment infrastructure
  • Strategic drainage and wastewater planning
  • Asset management and capital investment planning
  • Hydraulic modelling, network optimisation and catchment studies
• Experience using industry-standard modelling software such as InfoWorks ICM, InfoWorks WS Pro, Synergi Water or equivalent.
• Understanding of the challenges facing Ireland's water sector, including population growth, environmental compliance, network resilience and climate adaptation.
• Proven ability to work effectively within multidisciplinary project teams and collaborate with technical specialists across a range of disciplines.
• Strong communication and stakeholder engagement skills, with the ability to build lasting client relationships.
• A proactive and collaborative approach, with a desire to contribute to the continued growth of Jacobs' Water business across Ireland.
• Enthusiasm for solving complex engineering challenges and delivering sustainable outcomes for communities and the environment.

Our Culture

Our values are founded on safety, integrity, inclusion and diversity. We put people at the heart of our business and believe that by supporting one another through our culture of caring, everyone succeeds. We are committed to creating an environment where everyone feels respected, valued and empowered to bring their whole selves to work.

At Jacobs, we know that diverse perspectives lead to better outcomes for our clients, our communities and our people. We welcome applications from individuals of all backgrounds and are committed to providing equal opportunities regardless of age, disability, gender identity or expression, marital status, race, religion or belief, sexual orientation, socioeconomic background or family circumstances.

We support flexible and hybrid working and encourage applications from candidates who may not meet every requirement listed. If you're excited about the role and believe you can make a positive impact, we'd love to hear from you.

If you require any support or reasonable adjustments during the recruitment process, please let us know and we'll work with you to ensure an inclusive and accessible experience.

Locations

Dublin or Cork (Hybrid Working Available)

#LI-Hybrid #JacobsIreland #WaterCareers #WastewaterModelling #LI-MF3

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 https://www.vercida.com/uk/employers/jacobs 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 .