Metallurgy Superintendent

PT Amman Mineral Nusa Tenggara; Nusa Tenggara Barat; On-site; IDR 3,000,000,000 - 6,000,000,000; Full time

Job summary

Amman Mineral Nusa Tenggara seeks a senior Metallurgy leader to oversee long-term projects, the on-site metallurgical laboratory, and metallurgical accounting at the Batu Hijau operation in Indonesia. You will drive project execution, ensure QA/QC, and deliver robust reports that inform business decisions.

The role requires 12+ years in metallurgy with a track record in leadership, lab management, and mass balance reconciliation, plus strong cross-functional collaboration and safety commitment.

Qualifications

• Bachelor’s degree in metallurgical engineering, Mineral Processing, Chemical Engineering, or closely related field.
• Minimum 12 years of progressive experience in metallurgical roles within large-scale mineral processing operations.
• At least 5 years in leadership/managerial role as Superintendent/Advisor Metallurgy.
• Experience managing a metallurgical laboratory with QA/QC protocols.

Responsibilities

• Oversee long-term metallurgical projects and process improvements to reduce costs and improve efficiency.
• Manage on-site metallurgical laboratory and ensure safety, QA/QC, and timely analytical data.
• Own metallurgical accounting and reporting, including mass and metal balances and inventory data.
• Lead and mentor a high-performing metallurgist team in a remote-site, multicultural environment.

Skills

Leadership

Project management

Data analysis

QA/QC protocols

Mass balance

Communication

Metallurgical expertise

Cross-functional collaboration

Education

Bachelor's degree in metallurgical engineering or related field

Master's degree preferred

Tools

Metallurgical simulation software

Data analysis tools

Job description

This role responsible to oversee three critical functions: long-term metallurgical projects, the on-site metallurgical laboratory, and metallurgical accounting. This is a key leadership role that requires a blend of technical expertise, project management skills, and a meticulous approach to data and reporting. Responsible for defining the future of the process, ensuring the quality of the data, and providing accurate reporting that guides our business decisions.

1. Long-Term Metallurgical Projects and Process Improvement:

Lead the identification, evaluation, and execution of long-term projects aimed at improving metallurgical performance, reducing operating costs, and enhancing process efficiency.

Develop detailed project scopes, budgets, and timelines, and manage project teams from conception to completion.

Stay abreast of industry trends and new technologies in mineral processing and identify opportunities for their application.

Collaborate with engineering, operations, and external vendors to design and implement plant modifications or new equipment installations.

Conduct feasibility studies and cost-benefit analyses to justify capital expenditure on new projects.

2. Metallurgical Laboratory Management:

Provide oversight for the on-site metallurgical laboratory, ensuring the highest standards of safety, quality control, and efficiency.

Ensure the lab is properly staffed and equipped to provide timely and accurate analytical data for both operational support and project work.

Implement and maintain robust quality assurance/quality control (QA/QC) protocols for all sample preparation and analytical procedures.

Lead the development of new testing methods or procedures to support specific metallurgical challenges or projects.

Manage the laboratory budget and procurement of reagents, equipment, and consumables.

3. Metallurgical Accounting and Reporting:

Be the ultimate owner of the plant's metallurgical balance, ensuring the accuracy, integrity, and transparency of all metallurgical data.

Oversee the entire metallurgical accounting process, from sampling protocols and data collection to final reporting, in accordance with company standards and industry best practices.

Generate and present comprehensive daily, weekly, and monthly metallurgical performance reports.

Lead the reconciliation process for mass and metal balances, identifying and resolving any discrepancies.

Work closely with finance and commercial teams to provide accurate data for inventory valuation.

4. Team Leadership and Capability Building:

Mentor, and develop high-performing metallurgists, fostering a culture of innovation, data-driven decision-making, and continuous improvement.

Foster a culture of safety, technical excellence, and continuous improvement within the team.

Provide expert guidance and support to the operations team for complex metallurgical challenges.

Bachelor’s degree in metallurgical engineering, Mineral Processing, Chemical Engineering, or a closely related field. (Master’s degree preferred or considered an asset)

Minimum of 12 years of progressive experience in metallurgical roles within a large-scale mineral processing operation; at least have 5 years of experience in a leadership and managerial role as Superintendent/ Advisor Metallurgy

Proven experience in managing a metallurgical laboratory, including QA/QC protocols and analytical techniques; Strong background in metallurgical accounting and mass balance reconciliation is essential; Demonstrated experience in leading long-term technical projects from concept to completion.

Excellent project management skills, including the ability to manage budgets, schedules, and cross-functional teams; Proficiency with metallurgical simulation software and data analysis tools.

Strong analytical, problem-solving, and decision-making abilities; Effective communication and cross-functional collaboration; Demonstrated ability to lead, coach, and influence others in a multicultural, remote-site environment; A strong commitment to safety and environmental stewardship.

Good communication skills in English both verbal and written and computer literate.

Amman Mineral International (AMMAN) is the second-largest copper-and-gold mining company in Indonesia, operating the Batu Hijau mine on the island of Sumbawa. In all aspects of business and operations, AMMAN adheres to international standards of corporate governance, sustainability, and environmental responsibility.

The corporate vision is to be a transformative organization creating a legacy of best. This vision reflects the commitment to achieve excellence in all operational aspects. Through optimal operational efficiency and astute financial management, AMMAN can maintain a cost of production lower than sales revenue even during the most-challenging phases of a market cycle.

AMMAN continues to encourage “brave thinking” from all employees. Innovative ideas, from whatever source, are evaluated without prejudice and implemented if found useful. This concept is also applied to programs to improve the welfare of local communities. Through “brave thinking”, AMMAN has become a role model for other business entities striving for operational excellence and good environmental stewardship.