SHAYSAGIRI MUTHIAH
Maddington,WA
Summary
Experienced Plant Metallurgist with over 5 years in mineral processing and leadership, keen to step into the Production Superintendent role at Northern Star. Proven success in leading teams to exceed production and safety KPIs, with expertise in cost management, succession planning, and continuous improvement. Skilled in optimising plant performance and fostering collaboration across departments, aligning with Northern Star’s STARR values to drive operational excellence
Overview
6
6
years of professional experience
Work History
Plant Metallurgist
Jundee Gold Mine, Northern Star
06.2021 - Current
- Leadership & Operations: Stepped into the Production Superintendent role as required, effectively managing teams and ensuring smooth plant operations.
- Preventive Maintenance: Collaborated with maintenance teams to develop and execute preventive maintenance schedules, reducing equipment downtime and improving reliability.
- Efficiency Improvements: Optimized plant performance by implementing advanced metallurgical processes and upgrading plant control systems, particularly in the Jundee circuit (crushing-grinding, gravity, CIL, and elution).
- Process Optimization: Conducted investigations and improvement projects to enhance recovery, increase throughput, and reduce operational costs.
- Metallurgical Accounting: Maintained metallurgical accounting systems and generated daily, weekly, and monthly reports, adhering to company standards.
- Data-Driven Performance Monitoring: Monitored plant performance through operational and assay data analysis, developing systems to track trends and identify areas for improvement.
- Budget Development: Contributed to annual budgeting by establishing physicals and cost targets in collaboration with senior management.
- Test Work & Research: Supported the Senior Metallurgist in designing and completing metallurgical test work to refine processes and validate improvements.
Graduate Metallurgist
Jundee Gold Mine, Northern Star
09.2019 - 06.2021
- Process Expertise: Gained a comprehensive understanding of the gold extractive process from both metallurgical and operational perspectives, including crushing, grinding, leaching, gravity separation, and elution circuits.
- Metallurgical Accounting: Acquired proficiency in daily, weekly, and monthly metallurgical accounting, ensuring accuracy and adherence to company standards.
- Collaboration & Teamwork: Built and maintained productive relationships with production and maintenance personnel, fostering a collaborative approach to achieving operational objectives.
- Test Work & Analysis: Conducted metallurgical laboratory test work and analyzed results to support process optimization initiatives.
Process Technician
Jundee Gold Mine, Northern Star
02.2019 - 09.2019
- Plant Operations: Operated key circuits of the processing plant, including the Carbon-in-Leach (CIL) circuit, grinding circuit, elution & gravity circuit, and crushing circuit, ensuring optimal performance and efficiency.
- Safety Leadership: Prioritized safety by actively identifying hazards, implementing controls, and promoting a culture of safe work practices.
- Leadership Support: Stepped in as 2nd in charge when required, demonstrating leadership capabilities and ensuring continuity in plant operations.
- Operational Knowledge: Gained comprehensive insight into plant systems and processes, enabling effective troubleshooting and decision-making.
- Troubleshot technical issues: Implementing solutions to maintain a smooth production process.
Education
Graduate Diploma - Metallurgy
Curtin University
01.2020
Bachelor of Engineering - Petroleum
Curtin University
01.2018
Skills
- Metallurgical analysis
- Budgeting and forecasting
- Pronto and Microsoft proficiency
- Production planning
- Daily, Weekly and Monthly Reporting
- Safety measures implementation
- Operations management
- Health and safety
- Cost reduction
- Production team motivation
Languages
English
Native or Bilingual
Malay
Native or Bilingual
Affiliations
- AUSIMM
- Engineers Australia
Additional Role
Surface Ventilation Officer
Jundee Gold Mine, Northern Star
2022 – Present
- Developed and implemented the Surface Ventilation Health Management Plan, ensuring compliance with regulatory and operational standards.
- Designed and maintained monthly and quarterly check sheets to monitor ventilation performance and workplace conditions.
- Collaborated with the Safety Department to coordinate and conduct quarterly Local Exhaust Ventilation (LEV) assessments.
Emergency Response Team Member
Jundee Gold Mine, Northern Star
2020 – 2022
- Certified in Medical First Aid, Confined Space & Vertical Rescue, and Firefighting, providing critical support during emergency situations.
- Actively contributed to emergency preparedness through training, drills, and incident response, demonstrating teamwork, safety, and accountability.
- Played a vital role in promoting workplace safety by fostering a culture of readiness and responsibility among team members.
Timeline
Plant Metallurgist
Jundee Gold Mine, Northern Star
06.2021 - Current
Graduate Metallurgist
Jundee Gold Mine, Northern Star
09.2019 - 06.2021
Process Technician
Jundee Gold Mine, Northern Star
02.2019 - 09.2019
Graduate Diploma - Metallurgy
Curtin University
Bachelor of Engineering - Petroleum
Curtin University
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