Gold Plant Process Engineer – Remote Site (Contract)

PT Archi Indonesia Tbk; Pinenek; On-site; IDR 100,440,000 - 167,400,000; Full time

Job summary

PT Archi Indonesia Tbk invites an experienced Process Engineer to review design criteria, optimize mineral processing circuits, and support EPC projects at a remote mine site.

The role involves collaboration with consultants and contractors, development of PFDs/PDs, process simulations, commissioning, and a strong emphasis on HSE and continuous improvement. English proficiency preferred; roster-based contract.

Qualifications

• Bachelor’s degree in Chemical Engineering, Metallurgical Engineering, Mineral Processing Engineering, or related field.
• 3–5 years of experience in mineral processing, gold plants, or large mining projects.
• Experience with EPC/EPCM projects and commissioning is preferred.
• Strong process design and optimization knowledge.
• Familiarity with gold processing circuits (crushing to tailings).
• Strong analytical, troubleshooting, and problem-solving skills.
• Strong communication and cross-functional collaboration skills.
• Willing to work on a remote mine site on a roster and on contract basis.
• Good command of English, both written and spoken.

Responsibilities

• Review process design criteria, mass balances, and PFDs.
• Support development and review of P&IDs and equipment specs.
• Coordinate with consultants, EPC contractors, and engineering teams.
• Conduct process simulations and technical evaluations to optimize plant performance.
• Review equipment sizing for crushing, grinding, gravity separation, flotation, leaching, elution, and tailings systems.
• Participate in HAZOP, risk assessments, and design workshops.
• Monitor construction and commissioning activities to ensure design compliance.
• Develop commissioning procedures, operating manuals, and performance tests.

Skills

Process design

Troubleshooting

Cross-functional collaboration

Safety leadership

Analytical skills

Problem-solving

Education

Bachelor’s degree in Chemical/Metallurgical / Mineral Processing Engineering

Job description

PT Archi Indonesia Tbk invites an experienced Process Engineer to review design criteria, optimize mineral processing circuits, and support EPC projects at a remote mine site.

The role involves collaboration with consultants and contractors, development of PFDs/PDs, process simulations, commissioning, and a strong emphasis on HSE and continuous improvement. English proficiency preferred; roster-based contract.