Wastewater Modelling -Principal/Associate Director, Ireland, Cork

Are you a passionate Wastewater Modeller ready to take your career to the next level? At Jacobs, you’ll play a vital role in shaping the future of water infrastructure across Ireland. With unprecedented investment in the sector, now is the time to be part of something transformative.

Principal Modellers and Associate Directors

of Modelling to strengthen our teams and support long‑term frameworks with leading Ireland water companies. Your expertise will help deliver innovative solutions that protect the environment, reduce flood risk, improve water supply, and create lasting value for local communities.

From early‑stage planning to detailed design and delivery, you’ll contribute to diverse programmes across the full project lifecycle. You’ll be supported by a collaborative, multidisciplinary team and have access to cutting‑edge tools, professional development, and career progression opportunities.

This is more than a modelling role, it’s a chance to make a meaningful impact while growing in a dynamic and inclusive environment.

Key Responsibilities

Technical lead for network modelling projects

Line Management of project team members with responsibility for day‑to‑day leadership and direction for the team, workload planning, technical guidance, driving staff performance and career development.

Management of all health and safety, quality and environmental aspects of projects.

Technical development and delivery of wastewater catchment strategies and solutions, to include flooding and CSO drivers

Provide technical and commercial leadership in the delivery of wastewater network projects within agreed timeframes and budgets and to exceed our clients’ expectations

Technical governance of outputs and compliance with client specifications

Using network models for planning, operational and design purposes

Support and supervise the wastewater modelling team, ensuring technical excellence and best industry practice

Contribute to developing working methods, routines and innovative solutions to improve processes in the delivery of wastewater network projects

Supervision of report writing check and review of technical modelling outputs.

Plan, programme and co‑ordinate projects delivery

Contribute to the preparation of cost estimates

Here’s what you’ll need

Supporting management in developing relationships and sales with existing and new clients

Excellent knowledge of the water industry with a focus on wastewater network solutions

Proficiency in wastewater modelling software such as InfoAsset Manager, and InfoWorks ICM, ArcGIS, MapInfo

Strong technical ability in the outline design of wastewater schemes; sewage pumping systems and treatment facilities

Expertise in 1D and 2D modelling

Excellent knowledge in current industry best practice and able to actively contribute to innovation in this field

Good supervision and leadership skills

Ensuring project financial and programme performance.

Experience of liaising with clients and managing projects

Management and technical supervision of a team of modellers

Why Join Jacobs?

Grow Your Career– From early talent to seasoned professionals, we offer clear paths for progression and development.

Shape the Future of Water– Work on innovative, high‑impact projects that protect resources and drive sustainability.

Collaborate with the Best– Partner with industry‑leading clients and experts in a thriving, future‑focused sector.

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.

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