Metallurgist / process engineer

SO4 is on a mission to produce world‐class Sulphate of Potash (SOP). Our Lake Way asset is in the Goldfields region of Western Australia, 15 kms south of Wiluna. With our first product successfully delivered and operations ramping up, we are entering an exciting phase of growth.

Be a part of this exhilarating new chapter and join an innovative and forward‐thinking mining company at the forefront of a new industry in Australia, who are focused on sustainability and making a change.

Our values guide the way we work every day:

People | Ownership | Nurture | Drive | Safety

We value integrity, accountability, teamwork and continuous improvement while ensuring the safety of our people and the sustainability of our operations.

THE ROLE

As a Metallurgist / Process Engineer, you will play a pivotal role in ensuring the efficient and reliable operation of our processing plant. This position is central to monitoring, optimising, and continuously improving metallurgical performance while driving process innovation and supporting overall operational excellence.

RESPONSIBILITIES

• Monitor daily plant performance to ensure recovery, yield, and product quality stay on target.
• Identify problems and optimise processes to improve efficiency and reduce costs.
• Run and manage test work (lab and pilot scale) to trial new ideas, technologies, and process changes.
• Analyse metallurgical data and complete daily metallurgical accounting and reporting.
• Troubleshoot process issues and work with operations and maintenance to fix problems quickly.
• Provide technical support and training to plant operators to improve process understanding and control.
• Develop clear reports on plant performance, test work results, and improvement opportunities.
• Ensure all work meets safety and compliance standards, following WHS requirements and company procedures.
• Work closely with production, maintenance, and engineering teams to support plant goals and continuous improvement.
• Drive process improvement initiatives to increase efficiency, reduce downtime, and enhance product quality.

ABOUT YOU

You are an analytical and proactive Metallurgist / Process Engineer with a minimum of 2 years' experience, who enjoys working in a plant environment and improving process performance.

QUALIFICATIONS

• Bachelor's degree in chemical engineering or a related discipline.
• Construction White Card.
• Strong computer skills, including Office 365, with experience in Power BI or Visual Basic.
• Familiarity with SysCAD, Pronto, Aconex, or INX (desirable).
• Knowledge of mineral processing, including flotation, crystallisation, evaporation, or brine chemistry.
• Experience with metallurgical accounting and analysing plant performance data.
• A solid understanding of safety and environmental requirements.
• Familiarity with evaporation pond design and solar salt operating principles.
• Knowledge of potash crystallisation processes and techniques.

WHAT WE OFFER YOU

• Permanent full-time opportunity.
• 8/6 Family Friendly Roster.
• FIFO ex Perth, short commute direct to site.
• Healthy and competitive salary.
• Team social events.
• 8 weeks of Paid Parental Leave, including return to work incentive.
• Employee Assistance Program (EAP) and Wellness App.
• Salary Packaging (Novated Lease Vehicles, Electronic Devices, Education Expenses, FIFO Travel and FIFO Airport Car Parking).
• Salary Sacrificing (Superannuation).

HOW TO APPLY

If this role aligns with your experience and career goals, we encourage you to submit your CV and a cover letter outlining your suitability.

APPLICATION REQUIREMENTS

• Submit CV and Cover Letter.
• Successfully complete a pre‐employment medical to ensure fitness for the inherent requirements of the position.
• Provide a clear National Police Clearance prior to commencement.

Pre‐employment checks will be conducted in accordance with applicable WA legislation and company policy.

SO4 celebrates diversity and encourages applicants from culturally diverse backgrounds to apply, including Aboriginal and Torres Strait Islander people, people from diverse cultural backgrounds and people with disabilities.