Job Description Location flexible across Australia, New Zealand or Philippines

Shape the future of water, resources and infrastructure projects across APAC. At GHD, we're solving the world's most complex water, environmental and infrastructure challenges. With a connected global network of technical specialists, you'll be part of a business that invests in innovation, collaboration and professional growth.

Are you an experienced groundwater modeller looking to take the next step in your career? Do you want to work on technically complex, large-scale projects while collaborating on high profile projects across multiple sectors, alongside some of the industry's leading hydrogeologists, geotechnical specialists and water professionals?

At GHD, you'll have the opportunity to do exactly that.

Senior Groundwater Modeller We're seeking a Senior Groundwater Modeller to play a key role within our growing APAC Groundwater Modelling team. This is an exciting opportunity to lead high-impact projects, influence technical excellence across the region, and contribute to projects that help communities, industries and environments thrive.

Working alongside our Australian and international hydrogeology teams, you'll apply advanced groundwater modelling expertise to solve complex challenges across water resources, mining, infrastructure, energy and environmental projects.

What You'll Be Doing

Lead complex groundwater impact assessments and regional groundwater modelling studies,

Deliver integrated surface water and groundwater modelling projects





Apply advanced numerical modelling techniques to address challenging technical issues

Collaborate with multidisciplinary teams across Water, Resources, Transport, Geotechnics and Contaminated Land

Manage projects from proposal through to successful delivery, ensuring quality outcomes for clients

Mentor and develop the next generation of groundwater professionals

Build trusted client relationships and support business development opportunities across the region

Develop your technical capabilities through targeted learning and development, and technical mentoring programs

Contribute to the ongoing growth and technical leadership of GHD's groundwater modelling capability

What You'll Bring

A Master's degree or higher in Hydrogeology (or equivalent professional experience)

10+ years' experience in numerical groundwater modelling

Excellent written and verbal communication skills

Strong experience delivering complex groundwater modelling projects

Expertise with numerical groundwater flow models such as MODFLOW, FEFLOW and related modelling tools

Programming skills for modelling automation and data processing, ideally using Python (FloPy)

Experience with model calibration, uncertainty assessment and PEST-based workflows

Strong project management and stakeholder engagement capability

A cooperative mindset with a passion for mentoring and developing others

Experience in surface water-groundwater interactions, solute transport modelling, mining projects or major infrastructure projects will be highly regarded.

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📌 Senior Groundwater Modeller (Sydney)
🏢 Ghd
📍 Sydney