Mining Engineering Assistant Manager

JOB REQUIREMENTS

1. Bachelor's degree in Mining Engineering or a related discipline.
2. Minimum 8 years of experience in mining, including at least 5 years in nickel mining. Minimum 3 years in a managerial or senior leadership role, such as Senior Engineer, Supervisor, or Superintendent, with responsibility for planning, technical evaluation, and team coordination.
3. Proven experience managing multiple projects and coordinating with Head Office, site operations, and contractors.
4. Strong knowledge of long-, medium-, and short-term mine planning, production sequencing, mining requirements, and infrastructure planning.
5. Solid understanding of limonite/saprolite, selective mining, dilution and ore loss control, stockpiling, and blending.
6. Surpac: Experience in block model management, tonnage and grade calculations, pit design, bench and ramp design, and mining stage development.
7. Proficiency in Whittle for pit optimization and technical-economic sensitivity analysis.
8. Experience with MineSched for production scheduling, equipment allocation, mining sequence, and operational capacity planning.
9. Ability to integrate Surpac, Whittle, and MineSched outputs into consistent mine plans and review site execution.
10. Proficiency in AutoCAD and Microsoft Excel, with strong analytical and reporting skills.
11. Able to evaluate budgets, productivity, costs, contractor performance, and reconcile block models, survey data, and production results.
12. Able to consolidate reports across multiple projects and present recommendations to management.
13. Strong leadership, problem-solving, communication, and cross-functional coordination skills.
14. Willingness to travel to mining sites as required.
15. Work Location: South Jakarta, Subsidiary of PT DDR

PREFERRED QUALIFICATIONS

1. Experience in engineering, Head Office/corporate technical services, and mining contractor operations.
2. Experience in nickel mining operations, particularly limonite and saprolite.
3. Familiarity with POM certification, geotechnical fundamentals, mine water management, and mineral resource/reserve concepts.
4. Knowledge of mining economics, GIS/Power BI, and technical reporting.
5. Strong presentation and technical writing skills in both Bahasa Indonesia and English.

JOB DESCRIPTION

1. Mine Planning: Lead the development and evaluation of long-term, annual, quarterly, and monthly mine plans, ensuring alignment between production targets, quality requirements, equipment readiness, operational constraints, and site capabilities.
2. Block Model & Pit Design: Review and evaluate block models, pit designs, benches, ramps, mining stages, and stockpiles while ensuring geological and geotechnical data are properly incorporated into mine planning and optimization.
3. Optimization & Production Scheduling: Coordinate technical and economic mine optimization and production scheduling, evaluate tonnage, quality, equipment capacity, and operational constraints, and develop alternative mining scenarios to improve operational performance.
4. Production & Contractor Management: Monitor production performance, hauling distances, contractor productivity, and compliance with mine designs. Evaluate technical proposals, work volumes, and production recovery plans to ensure operational targets are achieved.
5. Quality Control & Reconciliation: Coordinate with Geology, QA/QC, and operational teams on selective mining, dilution, ore loss, stockpiling, blending, and product quality. Review reconciliation reports covering block models, surveys, production, and shipments.
6. Budgeting & Cost Efficiency: Review operational and development budgets, productivity, operating costs, and contractor performance, and recommend initiatives to improve productivity and cost efficiency across mining operations.
7. Project Development: Evaluate new mining projects, pit and infrastructure development, operational readiness, and consultant deliverables to ensure project feasibility and effective implementation.
8. Standardization & Governance: Establish standards for mine planning, design, documentation, and reporting. Coordinate RKAB inputs, audits, work boundaries, and technical risk management with KTT and site management.
9. Team Leadership & Reporting: Lead and develop cross-functional engineering teams across projects, conduct periodic performance reviews and site visits, and consolidate management reports, production forecasts, technical risks, and key decision requirements.