Smelter Operation Readiness - Process Engineer

PT Freeport Indonesia Inc.; Tangerang; Hybrid; IDR 350,000,000 - 650,000,000; Full time

Job summary

PT Freeport Indonesia Inc. is seeking a Process Engineer for Smelter Operation Readiness in Gresik, East Java, Indonesia.

The role focuses on designing, analyzing, and optimizing metallurgical processes across acid plant, ETP, electrorefinery, and related systems to ensure safety, efficiency, and environmental compliance. The ideal candidate holds a Master’s or bachelor’s in metallurgical or chemical engineering with 5–7 years of relevant experience, and has hands-on experience with

Qualifications

• Master's or bachelor's in metallurgical or chemical engineering.
• 5–7 years in chemical plants, metal refining, or electrolysis processes.
• Knowledge of hydrometallurgy, process instrumentation, interlocks, and sampling philosophy.

Responsibilities

• Design, analyze, optimize, and maintain metallurgical processes in designated areas.
• Monitor and adjust process parameters to ensure efficiency, safety, and environmental compliance.
• Lead process optimization and trouble-shooting to reduce energy use and waste.

Skills

Metallurgical software

Analytical skills

Interpersonal skills

Education

Metallurgical/ Chemical engineering degree

Job description

Smelter Operation Readiness - Process Engineer

Gresik, East Java, Indonesia PTFI Smelting & Refining

About the job Smelter Operation Readiness - Process Engineer

Jobs Purpose

Designing, analysing, optimizing, and maintaining metallurgical processes in designated area (Acid Plant & ETP/Electrorefinery/Hot Metal Operations/PMR/Material Handling & Slag Concentrator/Technical Services) of smelting & refining processes. This role ensures efficiency, safety, environmental compliance, and cost-effectiveness in smelting & refining operations.

• Develop and improve metallurgical processes for smelting and refining operations, including material handling.
• Integrate advanced technologies for automation and monitoring.
• Implement safety protocols to protect personnel from operational hazards.
• Maintain compliance with environmental regulations related to emissions, slag, and waste management.
• Track and adjust process parameters (temperature, pressure, composition) to support optimal performance.
• Respond promptly to alarms and abnormal conditions, ensuring process stability and safety.
• Oversee equipment performance across designated areas (furnaces, kilns, converters, electrolysis systems).
• Monitor product quality to meet industry and customer specifications. (i.e Copper/Gold 99,99%)
• Prepare reports on process performance, material usage, and environmental impact.
• Coordinate with operations, maintenance, automation, laboratory, and environmental teams.
• Identify inefficiencies, troubleshoot issues, and conduct root cause analysis.
• Lead and support long-term optimization projects to reduce energy consumption and minimize waste.
• Achieve production quantity target and product quality within specifications.
• Achieve desired target recovery in each process.
• Manage complexity of the precious metal refinery process.
• Do plant data analysis for daily troubleshoot and future improvement.
• Maintain reagent consumption and deliverable to ensure smooth production.
• Ability to provide accurate response in a timely manner to production issues i.e. recipe, process duration, etc.
• High variability in the data being analyzed and processed.

Requirement Education & Experience

Education:

Master's or bachelor's degree in metallurgical engineering, chemical engineering, or any related processing fields.

Experience:

Five (5) or Seven (7) years of experience in Chemical Plants, Metal Refining, or Electrolysis Processes with Smelting & Refining manufacturing industry or having experiences in hydrometallurgical plant (leaching, solvent extraction, ion exchange, resin, etc).

Knowledge, Skills & Characters

Knowledge

• Good understanding on hydrometallurgy or other similiar processes.
• Understand process instrument, sequence, interlock, process parameters, chemical reagent, MSDS, hazardous chemical, process philosophy, control philosophy, and sampling philosophy.

Skills

• Operating Metallurgical Software (Metsin, Factsage, etc).
• Analytical skill.
• Interpersonal and Human Relation skills.

Characters

• Concern for Safety and Environment
• Cultural Sensitivity
• Time Management
• Integrity; Able to be disciplined in following company policies and procedures.
• Persistence to achieve excellence.

Key Areas Decision-making Responsibility

• Stop process sequence or stream due to unsafe or emergency condition.
• Analyse and recommend process parameter based on assay result, production result and safety point of view.