Summary
Overview
Work History
Education
Skills
Websites
Certification
Software
Timeline
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RHONI LEONHARD SIDABUTAR

RHONI LEONHARD SIDABUTAR

SENIOR MINE GEOLOGIST
Malang,JI

Summary

Results-driven mine geologist with over 9 years of experience specializing in gold deposits, dedicated to optimizing quality and quantity in grade control responsibilities. Seeking a full-time role that presents professional challenges while utilizing strong interpersonal skills, effective time management, and problem-solving expertise. Proven ability to adapt quickly to new environments, complemented by exceptional analytical, communication, and teamwork skills. Committed to contributing to team success and fostering continuous learning and growth with a positive attitude.

Overview

10
10
years of professional experience
6
6
Certifications

Work History

Senior Mine Geologist

PT. Indo Muro Kencana (IMK)
Murung Raya, Central Borneo
01.2022 - Current
  • Block modeling for grade control (production) purpose using RC drilling data
  • Monthly and reconciliation report for ore mined, ore blocking, grade control block model, and exploration block model
  • Supervising 2 Mine Geologist, 5 Jr. Mine Geologist, and Grade Control Crew
  • Managed time efficiently in order to complete all tasks within deadlines.

Mine Geologist

PT. Indo Muro Kencana (IMK)
Murung Raya, Central Borneo
07.2017 - 12.2021
  • Controlling and monitoring ore mined actives especially for ore dilution and ore loss
  • Stockpile Management, controlling ore blending grade and material, and maintain stockpile quality
  • Made RC drilling plans for 2 Rigs in order to grade control block model
  • Maximized RC drilling efficiency with strategic borehole placements based on comprehensive analysis of geologic formations.

Jr. Mine Geologist

PT. Kasongan Bumi Kencana (KBK)
Kab. Katingan, Central Borneo
01.2016 - 01.2017
  • Supervising 2 Rigs RC drilling.
  • Implementing and monitoring QAQC RC data/samples
  • Pit mapping in order to obtain better understanding to ore characteristics

Education

Master Degree - Earth Resource Exploration

Institute Technology of Bandung
Bandung
04.2001 -

Bachelor Degree - Mining Engineering

University of Palangkaraya
Palangkaraya, KT
01.2012

Skills

Teamwork and collaboration

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Certification

Pengawas Operational Pertama PPSDM Geominba, Kementerian ESDM

Software

Surpac

Microsoft Office

Timeline

Senior Mine Geologist

PT. Indo Muro Kencana (IMK)
01.2022 - Current

Mine Geologist

PT. Indo Muro Kencana (IMK)
07.2017 - 12.2021

Jr. Mine Geologist

PT. Kasongan Bumi Kencana (KBK)
01.2016 - 01.2017

Master Degree - Earth Resource Exploration

Institute Technology of Bandung
04.2001 -

Bachelor Degree - Mining Engineering

University of Palangkaraya
RHONI LEONHARD SIDABUTARSENIOR MINE GEOLOGIST