Ari Asmawan Arya

Mine Plan Engineer with 5+ years of experience in mine planning and production operation in nickel and limestone mining. Skilled in production scheduling, fleet optimization, pit sequencing, and operational coordination, with proven results in large scale production, and multi-pit environments.

PT. Arjuna Global Mining site PT BAP (Central Sulawesi, Indonesia) - Limestone Mining

Mine Plan Engineer (June 2025 - Present)

• Managed mine plans sustaining limestone production at 30,000 WMT/month, integrating construction activities, mine survey, haulage optimization, and ROM stockpile management.

• Developed pre-operational cost estimation (OPEX & CAPEX)

PT. Mitra Mineral Meambo site BUMANIK (Central Sulawesi, Indonesia) - Nickel Mining

Head of Engineering Department - Mine Plan Engineer (Dec 2024 - June 2025)

• Held engineering authority with responsibility for planning control, and operational alignment.

• Coordinated Mine Planning, Mine Survey, and site teams to support operational readiness.

• Developed and controlled short-term mine plans supporting production ramp-up to 50,000 WMT/month, including QA/QC for ore hauling and sales preparation.

• Supported initial production, achieving approximately 20,000+ WMT of ore sales prior to industry-wide operational suspension.

• Built pre-operational cost estimates (OPEX & CAPEX) and work area development plans

PT. Citra Patra Energi all site (BUMANIK and other) (Sulawesi, Indonesia) - Nickel Mining

Head of Engineering Department - Mine Plan Engineer (March 2022 - Dec 2024)

• Led production planning and scheduling across 3 active pits with 6 production fleets, including pit sequencing, disposal and stockpile management, and mine-out control (Jobsite BUMANIK).

• Designed daily mine plans allocating approximately 30 excavators and 24 dump trucks, optimizing hauling distances to 1–2 km to improve equipment utilization and cycle time (Jobsite BUMANIK).

• Coordinated Engineering and Operations teams to achieve contract production target of 50,000 WMT/month ensuring plan-execution alignment (Jobsite BUMANIK).

• Exceeded production targets, delivering 700,000 WMT of nickel ore in 2023 (6 months) and 1.4 million WMT in 2024 to GNI (Jobsite BUMANIK).

• Led and executed nickel and limestone exploration projects across Central Sulawesi (Palu, Donggala, Tojo Una-Una, Banggai, North Morowali, and Morowali), South Sulawesi (East Luwu), and Southeast Sulawesi (North Konawe, Konawe, South Konawe, Kolaka, North Kolaka, and Bombana). Successfully secured mining concessions, comprising 1 limestone and 1 nickel concession (both registered in MODI), along with 5 mining project developments.

CV. Surya Perdana Mandiri (Central Sulawesi, Indonesia) - Nickel Mining

Junior Geologist (May 2021 - March 2022)

• Supported grade control team in sampling and quality monitoring.

• Processed field data (Excel, ArcGIS) and prepared weekly/monthly reports.

• Conducted geological mapping and feasibility assessments for new prospects.

The Ministry of Agrarian Affair and Spatial Planning/National Land Agency of Southeast Sulawesi Province (Southeast Sulawesi, Indonesia) - Government

Surveyor (Jan - April 2021)

• Operated Total Station and GNSS/RTK for cadastral and topographic surveys.

• Processed survey data and produced mapping outputs using AutoCAD.

S1 TEKNIK GEOFISIKA (2016-2021) - UNIVERSITAS HALU OLEO

Thesis: “Subsurface Structure Identification at Wawonii Island on Konawe Kepulauan Regency Using Global Gravity Model Plus (GGMPlus) Satellite Gravity Data”

• Laboratory Assistant of Gravity Method (Aug 2020 - Jan 2021)

• Laboratory Assistant of Seismic Reflection Method (Aug – Dec 2019)

Trainings

1. Surveyor Training at BLK Kendari - Total Station (2021)

2. Mining Work Plan and Budget (RKAB) Preparation (2023)

3. Coal Mine Planning - Surpac, Whittle, Minesched (2025)

4. Coal Mine Planning - Minescape, Spry (2025)

5. Geotechnical Stability Modeling (Nickel) - Slide2 (2025)

6. Operational Budget Planning for Coal Mining Contractors (2026)

7. Geological Resource Modelling – Leapfrog (2026)