Principal Clean Water Network Modeller

AECOM; Cork; Hybrid; EUR 90,000 - 120,000; Full time

Job summary

AECOM is seeking a Principal Clean Water Network Modeller to lead hydraulic modelling for a portfolio of water utility projects in Ireland. The role involves model building, calibration, optioneering, and producing technical reports while guiding junior staff.

You will collaborate with a multidisciplinary team across public and private sectors, leveraging GIS and specialized software to deliver robust solutions. A hybrid work model supports flexibility and career growth.

Qualifications

• Degree in Civil Engineering, Environmental Engineering, Geography, Environmental Science or related discipline.
• Experience in hydraulic network modelling and designing technical specifications and scopes of works for projects.
• Understanding of GIS and Infoworks WS Pro or Synergi.
• Experience reviewing projects/models and providing design input.
• Chartership with CIWEM, ICE or similar (obtained or in progress).

Responsibilities

• Provide technical lead on hydraulic modelling and support framework mining and work winning.
• Coordinate Field Teams and liaise with clients while supporting project delivery.
• Model build and calibration, optioneering of design solutions and asset management analyses.
• Mentor more junior staff within the team.

Skills

Hydraulic modelling

GIS

Client engagement

Project leadership

Education

Civil/Environmental Engineering degree

CIWEM/ICE chartership in progress

Tools

Infoworks WS Pro

Synergi

Job description

Company Description

Are you ready to support our talented team on water modelling projects and help us shape the future of the water industry? Join our dynamic and multidisciplinary Water Team as a Principal Clean Water Network Modeller in one of our fantastic Ireland offices – whilst also taking advantage of our flexible hybrid working model. At AECOM, we’re at the forefront of innovation, delivering an exceptional portfolio of water programmes and projects through long‑term partnerships with key clients. The successful candidate will be responsible for hydraulic modelling input on our portfolio of water utility projects. You will form part of our strong multi-disciplinary team delivering varied and interesting projects for a variety of public and private clients in the UK and Ireland. Typical projects will likely include network model building, calibration and analysis, asset management and planning projects, accelerated growth and water resource strategy and network analysis projects. This is a fantastic opportunity for you to develop your career and assist in the technical direction and future development and growth of this team.

Here’s what you’ll do:

• Expertise: Provide technical lead on the delivery on outputs of modelling and engineering projects. Engage with clients to support framework mining and work winning.
• Lead: Coordinate Field Teams and effectively delegate tasks as project workload and deadlines demand. Visit sites and liaise locally with clients and work alongside our global team in supporting project delivery.
• Deliver: Model build and calibration, optioneering of design solutions, feasibility and asset management/planning analysis, produce reports and technical documentation, and complete health and safety risk assessment (field testing).
• Support: Undertake a technical mentoring role for more junior members of staff.

Let’s not forget the perks!

You’ll enjoy a range of core and personalised benefits designed to support your future and well‑being, customised to fit your lifestyle. Take advantage of career development opportunities, technical practice networks, AECOM University, volunteering days and our flexible hybrid working model to ensure a work-life balance that suits your lifestyle.

Qualifications

Ready to push the limits of what’s possible?

Here’s what we’re looking for:

• Degree (or equivalent) in Civil Engineering, Environmental Engineering, Geography, Environmental Science or another related discipline.
• Experience working in hydraulic network modelling and designing technical specifications and scopes of works for projects.
• Understanding of, and experience using, GIS and either Infoworks WS Pro or Synergi.
• Experience of technically reviewing projects/models, providing design and optioneering input, and preparation of proposals.
• Obtained or working towards chartership with CIWEM, ICE or similar.

Additional Information

At AECOM, we value everyone's unique contributions and perspectives. We celebrate diversity, including neurodiversity, and believe it enriches our teams. We welcome applications from all backgrounds and abilities so, if you're an applicant with a disability that requires reasonable adjustment to complete the application process, please contact us at [e-mail]

At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment.

About AECOM

AECOM is the world’s trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. On projects spanning transportation, buildings, water, new energy and the environment, our public- and private-sector clients trust us to solve their most complex challenges. Our teams are driven by a common purpose to deliver a better world through our unrivaled technical and digital expertise, a culture of equity, diversity and inclusion, and a commitment to environmental, social and governance priorities. AECOM is a Fortune 500 firm and its Professional Services business had revenue of $16.1 billion in fiscal year 2025. See how we are delivering sustainable legacies for generations to come at aecom.com and @AECOM.

Freedom to Grow in a World of Opportunity

You will have the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed.

You will help us foster a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients.

AECOM provides a wide array of compensation, benefits and well-being programs to meet the diverse needs of our employees and their families. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too.

Join us, and you’ll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility. As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.

All your information will be kept confidential according to EEO guidelines.

ReqID: J10158034

Business Line: Water

Business Group: DCS

Strategic Business Unit: Europe & India

Career Area: Engineering

Work Location Model: Hybrid