Job Overview & Organization Mission

Develop sophisticated 1D/2D hydraulic flood models, design major drainage structures, and evaluate climate change flood risks at GHD Perth.

GHD’s Water Resources & Catchment Management group is seeking an experienced Senior Water Resources & Flood Modeler to join our team in Perth. You will lead hydrological and hydraulic modeling investigations for transport corridors, mine sites, urban land developments, and municipal river catchments across Western Australia.

As a key member of the team at GHD Australia in Perth, WA, you will play a central role in driving excellence, upholding top-tier Australian industry standards, and contributing directly to the strategic milestones of one of the nation’s premier employers.

Key Duties & Core Responsibilities

In this critical role, your operational duties and key performance responsibilities will encompass:

• Construct and: Construct and calibrate 1D and 2D numerical hydrodynamic models using TUFLOW, HEC-RAS, and RORB.
• Apply Australian: Apply Australian Rainfall and Runoff (ARR 2019) methodologies to simulate design storm events and climate sensitivity scenarios.
• Design surface: Design surface water drainage networks, culverts, detention basins, and erosion sediment control systems.
• Perform geospatial: Perform geospatial analyses and produce high-resolution flood hazard mapping in ArcGIS / QGIS.
• Author comprehensive: Author comprehensive flood impact reports and present findings to local councils and state agencies (DWER).

Required Qualifications, Licenses & Experience

To be successful in this position at GHD Australia, candidates are expected to satisfy the following essential selection criteria:

• Mandatory Qualification: Degree in Civil Engineering, Environmental Engineering or Water Resources.
• Relevant Experience: Minimum 5+ Years of verified industry experience in Australia or recognized overseas equivalence.
• 5+ years of practical experience in flood modeling, catchment hydrology, and stormwater management.
• Proficiency with industry software including TUFLOW, HEC-RAS, RORB/URBS, and 12d Model.
• Degree in Civil or Environmental Engineering with eligibility for Engineers Australia membership.
• Excellent written and verbal reporting skills.

Core Competencies & Key Technical Proficiencies

The successful applicant will possess demonstrated capabilities across the following domain skill sets:

Salary, Compensation & Employee Benefits

At GHD Australia, we understand that our people drive our achievements. An outstanding remuneration and wellbeing package is provided in line with Australian benchmarks:

• Competitive Remuneration: AU$135,000 – AU$165,000 per year + standard Australian Superannuation (11.5%).
• Competitive salary ($135,000 – $165,000) + employee-ownership share scheme dividends.
• Prime 999 Hay Street Perth office with complete hybrid work flexibility.
• Vibrant social club, comprehensive wellness benefits, and continuous professional development.
• Leave Entitlements: 4 weeks annual leave (with 17.5% annual leave loading where applicable) plus 10 days paid personal/carer’s leave.
• Flexible Work: Progressive work-life balance options with supportive corporate culture and leadership development pathways.

About the Employer: GHD Australia

GHD is a global employee-owned professional services company committed to solving the world’s biggest challenges in water, energy, and communities.

GHD Australia is deeply committed to building diverse, equitable, and culturally inclusive work environments. We proudly celebrate diversity and welcome applications from all qualified individuals including First Nations Australians, people with disabilities, and candidates from culturally and linguistically diverse backgrounds.

Application Process & Next Steps

Applications for this position are currently open and being reviewed on a rolling basis. Suitable candidates are encouraged to apply as early as possible before the published closing date.

Please prepare an updated Curriculum Vitae (CV) and a tailored Cover Letter highlighting your relevant experience against the key selection criteria outlined above.

To proceed with your application, click the Apply on Employer Site button to access the official GHD Australia careers gateway.