Environmental Geochemist: Predictive Modeller

ERM; Brisbane; On-site; AUD 90,000 - 130,000; Full time

Job summary

ERM is seeking an Environmental Geochemist for a 3-6 month FTC to deliver complex mining and environmental projects across Australia and internationally. The focus is predictive geochemical modelling, geochemical characterisation, and AMD assessment, with experience using PHREEQC, GWB, or equivalent tools.

You will collaborate with geochemists, hydrogeologists, and mine-closure professionals to translate modelling outcomes into practical client advice and robust project deliverables across

Qualifications

• Bachelor’s or postgraduate degree in Environmental Geochemistry, Environmental Science, Chemistry, Hydrogeology or related.
• Minimum 5+ years of relevant consulting, mining, research or industry experience in environmental or mining geochemistry.
• Practical understanding of aqueous geochemistry and water-rock interactions.
• Experience with predictive geochemical modelling using PHREEQC, GWB or comparable software.
• Experience interpreting geochemical characterisation datasets and laboratory testwork.
• Knowledge of AMD processes and geochemical behaviour of mine wastes (waste rock/tailings).
• Willingness to travel to project sites and across Australia/internationally.

Responsibilities

• Develop and apply predictive geochemical models for mining and environmental applications using PHREEQC, GWB or equivalent software.
• Develop geochemical conceptual models for water-mineral-rock interactions.
• Undertake aqueous speciation, mineral saturation, equilibrium and kinetic modelling.
• Predict mine water and seepage chemistry related to waste rock dumps, tailings facilities, pits and underground workings.
• Interpret laboratory testwork and field data to calibrate models and communicate results.

Skills

Geochemistry

Modelling

Data analysis

Technical writing

Python/R

Education

Bachelor’s or postgraduate degree in Environmental Geochemistry, Environmental Science, Chemistry, Hydrogeology or related

Tools

PHREEQC

Geochemist’s Workbench (GWB)

Job description

ERM is seeking an Environmental Geochemist for a 3-6 month FTC to deliver complex mining and environmental projects across Australia and internationally. The focus is predictive geochemical modelling, geochemical characterisation, and AMD assessment, with experience using PHREEQC, GWB, or equivalent tools.

You will collaborate with geochemists, hydrogeologists, and mine-closure professionals to translate modelling outcomes into practical client advice and robust project deliverables across