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Direct and control Grasberg Mine Development and pre-production operations including manpower and equipment to achieve the necessary development goals to bring the Grasberg Block Cave Mine (GBC) on line, in accordance with established schedules and budgets in a safe and efficient manner and in compliance with the company’s policies, procedures, goals and objectives.

Additional Responsibilities:

  1. Direct, communicate and control company’s safety, health and environmental policies and procedures implementation, including: conducting safety meeting in order to promote subordinate’s awareness of safety and environmental issues; especially when working in an underground (UG) mine environment, which has inherently high risk and limited space.

  2. Direct and control development activities including: horizontal development, pre-production work and vertical development to ensure that they are executed in a safe and efficient manner and to ensure that the UG production targets are achieved and are in compliance with the determined plan from the Grasberg Engineering Department.

  3. Direct and control Grasberg Block Cave Mine Development Staff to ensure that they are aware of safety, production equipment performance and the affected operational costs.

  4. Direct and control the application of advanced technology to improve the operational processes; including the development of global risk analyses on the implementation to prevent the disturbance to other production processes.

  5. Develop and initiate a strategic plan to support the Grasberg Block Cave Mine production plan in line with the GBC Mine Engineering long-term plan.

  6. Manage and control the assigned development budget to prevent over-budget expenditures and ensure that the unit cost targets are achieved.

  7. Manage and control communication and information linking the various projects that constitute the development of a new mine in such a manner as to prevent misunderstandings that can impact the ability to meet start of production commitments.

  8. Establish and maintain relationships with major internal departments (Engineering, Maintenance, Production, Construction, Deputy Technical Manager, etc.) and external departments (PSU, Safety, Material Management, PTRI, etc.) to keep and ensure a good safety record, achieve development targets, optimize equipment utilization and identify potentials for adverse effects of external impacts and other support requirements within the development organization.

  9. Develop, monitor, motivate, and appraise performance and potential capabilities of subordinates to contribute to the development of a professional team.


  • Bachelor’s degree in Mining Engineering with a minimum of ten (10) years of proven experience in underground mining operations, to be able to understand and control the whole mining process of development areas, use of explosives, materials and various mining equipment.

  • Alternatively, a minimum of fifteen (15) years of proven applicable underground mining experience without formal degree qualifications.

  • Familiar with advanced technology and current underground mining methods and rapid development techniques.

  • Understanding of UG dispatching systems.

  • Familiar with underground mining equipment.

  • Concern for Safety and Environment – considers potential dangers and finds ways to prevent them.

  • Highly proactive and achievement oriented.

  • Strong analytical and conceptual thinking skills.

  • Highly focused toward satisfying customer requirements.

  • Ability to work in a culturally diversified workforce.

  • Strong supervisory and leadership skills.

  • Strong English skills, both oral and written.

  • Willingness to work in a team environment.

  • Strong computer skills.

  • High level communication and presentation skills.

Preferred Qualifications
  • Basic level of the Indonesian language in understanding and oral (preferable but not essential) 

  • Copper Overseas Service Company ("COSCO") promotes a drug/ alcohol free work environment through the use of mandatory pre-employment drug testing and on-going random drug testing as per applicable Company Standards

COSCO has reviewed the jobs at its various office and operating sites and determined that many of these jobs include tasks or duties that could affect the safety or health of the employees performing these tasks or others. Accordingly, the Company has designated the following positions as safety-sensitive:

  • Positions within COSCO which are held by employees who receive Safety Training; or

  • Positions within COSCO which are held by employees who operate equipment or motor vehicles in furtherance of performing their COSCO job duties, including operating motor vehicles while on Company business or travel (for this purpose “motor vehicles” includes Company owned or leased motor vehicles and personal motor vehicles used by employees in furtherance of Company business or while on Company travel)

Benefits: Begin first day of employment
  • Medical, Dental and Vision Insurance
  • Relocation assistance/Ex-Pat incentives

    COSCO is an equal opportunity employer


General Superintendent – Grasberg Block Cave Operations

Primary Location


Closing Date:

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