Aryawan Priastowo
Sleman
Summary
Reliable Equipment Technician with comprehensive experience in maintaining, troubleshooting, and repairing wide range of industrial machinery. Skilled in diagnosing complex mechanical issues and implementing effective solutions to minimise downtime. Strong focus on safety protocols and preventative maintenance to ensure optimal equipment performance. Proven ability to collaborate with cross-functional teams and contribute to continuous improvement initiatives. Ready to bring strong work ethic and technical expertise to support operational success.
Overview
20
20
years of professional experience
1
1
Certification
Work History
Senior Heavy Equipment Technician
Brunel Australasia
Lihir New Ireland, Papua New Guinea
11.2021 - 10.2025
- Responded swiftly to emergency breakdowns, minimising impact on production schedules.
- Diagnosed faults in machinery and repaired them efficiently to restore functionality.
- Conducted regular maintenance and troubleshooting of complex equipment to minimise downtime.
- Identified and solved technical issues, applying knowledge to minimise disruptions and maintain signal strength.
- Analysed equipment performance data to recommend improvements and upgrades.
- Troubleshooting mechanical and hydraulic systems.
- Remove, install, and adjust the testing components.
- Unit handled: • Excavator CAT 336, CAT 390 • Dozer CAT D10T, CAT D10T2, CAT D11T, CAT D11T2 • Motor grader CAT 18M • Loader CAT 966, CAT 992, CAT 993.
Foreman Heavy Equipment Mechanic
Madhani Talatah Nusantara
South Kalimantan, Indonesia
03.2021 - 10.2021
- Coordinated and supervised operatives' activities, allocating tasks and enforcing safety procedures to maintain safety.
- Conducted daily safety briefings to maintain a safe working environment and minimise accidents on site.
- Followed scope of work documents to keep projects on schedule and costs within budget.
- Identified material or process problems impacting work quality and corrected problems with workers.
- Supervised labourers and skilled workers, completing projects.
- Reported to senior management on project updates and estimated completion dates, noting delays, quality issues or cost overruns.
- Assessed risks associated with construction activities and developed strategies to mitigate potential issues.
- Maintenance service and inspection.
- Troubleshooting mechanical and hydraulic systems.
- Remove the installation component and test the adjustments.
- Unit Handle:
• Exavator Hitachi EX2600, Liebher 9200, Liebher 9250, Komatsu
PC200, PC300, PC400, PC1250, PC2000
• Dozer Komatsu D85ss, D155ss, D375ss, CAT D8R, D9R
• Motor grader Komatsu MG511, MG705, CAT 14M
• Dump Truck Komatsu 465, Komatsu 785, CAT 777
Lead Hand Heavy Equipment Mechanic
Thiess Contractor Indonesia
South Kalimantan, Indonesia
10.2017 - 09.2020
- Implemented safety protocols, significantly reducing workplace accidents and promoting a safe working environment.
- Operated various manufacturing machines, providing basic maintenance as required to ensure quality results.
- Helped to maintain operating equipment and machinery by requesting repairs and calibrations.
- Handled various machines with precision following safety standards.
- Assessed repair and maintenance needs by utilising troubleshooting and diagnostic abilities.
- Supervised team activities, fostering collaboration and maximising productivity on construction projects.
- Mentored employees on productivity strategies, problem resolution and specific repair strategies.
- Disassembled and inspected equipment between runs to check for function and build-up.
- Collaborated with other team members to handle assembly or sub-assembly of various components.
- Unit Handle:
• Excavator Hitachi ZX470, ZX870, ZX1200, ZX2500, ZX2600, ZX3600, Liebherr 9250, Liebherr 9350
• Dozer CAT D8R, D9R, D10R
• Motor grader CAT 14M, CAT 18M
• Dump Truck CAT 773, CAT 777, CAT 785
• Drilling CAT DM45, CAT DM65.
Group Leader Heavy Equipment Mechanic
Gunungmas Sukses Makmur
East Kalimantan, Indonesia
02.2016 - 10.2017
- Maintained excellent member and guest satisfaction by providing continual motivational and educational support.
- Mechanical Coordinator.
- Division of mechanical tasks.
- Troubleshooting mechanical and hydraulic systems.
- Remove the installation component and test the adjustments.
- Unit Handle:
• Excavator Hitachi ZX210, ZX470, Komatsu PC 200, PC 300
• Dozer CAT D8R, Komatsu D85
• Motor grader MG511
• Compactor Komatsu 211.
Supervisor Heavy Equipment Mechanic
Bustan Indonesia
East Kalimantan, Indonesia
10.2011 - 02.2016
- Managed shift rotas and holiday schedules, maintaining optimal staffing levels at all times.
- Maintained workplace safety by observing occupational and environmental health requirements.
- Mechanical Coordinator.
- Troubleshooting mechanical and hydraulic systems.
- Remove the installation component and test the adjustments.
- Unit Handle:
• Excavator Kobelco SK 200, SK 330, SK 480
• Dozer Komatsu D85ss
• Motor Grader MG705
• Dump Truck Nissan CWB45
• Water Pump KSB.
Supervisor Heavy Equipment Mechanic
Harsco Mineral
East Kalimantan, Indonesia
05.2011 - 10.2011
- Planned and communicated daily manufacturing tasks and targets.
- Maintained workplace safety by observing occupational and environmental health requirements.
- Mechanical Coordinator.
- Division of mechanical tasks.
- Troubleshooting mechanical and hydraulic systems.
- Remove the installation component and test the adjustments.
- Unit Handle:
• Excavator Kobelco SK 330, Komatsu PC 200
• Loader Komatsu WA 500
• Genset Hartech 20Y, 60Y, 150Y.
Electric Mechanic
CMS Kaltim Utama
East Kalimantan, Indonesia
02.2010 - 05.2011
- Identified mechanical faults, determined causes and ordered new parts to resolve issues.
- Performed routine maintenance checks, including oil changes, tyre rotations, and fluid top-ups, to prevent future mechanical failures.
- Rebuilt and replaced parts to restore equipment performance.
- Performed preventive and corrective maintenance to reduce faults.
- Unit Handle:
• Exavator Komatsu PC 200, Kobelco SK 480, Dosan 500
• Dozer CAT D7G, D9R
• Motor grader CAT 14M, CAT 120H
• Dump Truck Hino 260
Electrician Supervisor
Roda Nusantara
East Kalimantan, Indonesia
02.2009 - 01.2010
- Supervised and coordinated daily activities of electrical technicians to meet project deadlines efficiently.
- Followed safety practices and procedures during work activities to avoid accidents or damage to electrical components and wires.
- Analysed electrical system failures and implemented corrective actions to prevent recurrence.
- Carried out thorough inspections and testing of installations, raising issues with electricians for swift repair.
- Unit Handle:
• Excavator Komatsu PC200, Doosan 500
• Dozer Komatsu D85ss
• Motor Grader Komatsu MG511
• Dump Truck Nissan CWB45.
Lead Hand Electric
Kartika Selabumi Mining
East Kalimantan, Indonesia
06.2007 - 02.2009
- Helped to maintain operating equipment and machinery by requesting repairs and calibrations.
- Handled various machines with precision following safety standards.
- Assessed repair and maintenance needs by utilising troubleshooting and diagnostic abilities.
- Disassembled and inspected equipment between runs to check for function and build-up.
- Maintained organisation and safety of workspaces with regular housekeeping work.
- Unit Handle:
• Excavator CAT 320
• Dozer Komatsu D85SS
• Loader Komatsu WA 500.
Mechanic electric
KTH Engineering
East Kalimantan, Indonesia
02.2006 - 12.2006
- Restored and replaced damaged parts to eliminate further issues.
- Identified mechanical faults, determined causes and ordered new parts to resolve issues.
- Performed routine maintenance checks, including oil changes, tyre rotations, and fluid top-ups, to prevent future mechanical failures.
- Diagnosed and repaired a wide range of equipment issues, including engine malfunctions, electrical faults, and other related problems, to maintain optimal performance.
- Performed preventive and corrective maintenance to reduce faults.
- Unit Handle:
• Excavator Komatsu PC200, PC1250, Hitachi ZX 330,
• Dozer Komatsu D85ss, D155ss, D375ss,
• Motor Grader Komatsu MG511, Tomijima 16G,
• Dump Truck Komatsu 465, Nissan CWB45, Scania P420.
Electrician
Sasamba Bara Yasatama
East Kalimantan, Indonesia
05.2005 - 10.2005
- Installed electrical wiring into commercial and residential buildings.
- Completed electrical work, including maintenance, installation and repairs within budgets.
- Maintained electrical wiring safety by completing maintenance, upgrades and repairs.
- Installed, tested, and maintained electrical systems in residential and commercial buildings, adhering to safety standards and regulations.
- Unit Handle:
• Exavator Komatsu PC200, PC300
• Dozer Komatsu D85ss
• Motor grader Komatsu MG511
Education
Bachelor of Science - Electrical Engineering
National Institute of Technology Yogyakarta
Yogyakarta Indonesia01-2004
Skills
- Equipment maintenance
- Hydraulic systems
- Mechanical troubleshooting
- Safety compliance
- Performance analysis
- Problem solving
- Repairing techniques
- Technical troubleshooting
- Equipment troubleshooting
Languages
English
Beginner
A1
Certification
- [Area of certification] certified
Timeline
Senior Heavy Equipment Technician
Brunel Australasia
11.2021 - 10.2025
Foreman Heavy Equipment Mechanic
Madhani Talatah Nusantara
03.2021 - 10.2021
Lead Hand Heavy Equipment Mechanic
Thiess Contractor Indonesia
10.2017 - 09.2020
Group Leader Heavy Equipment Mechanic
Gunungmas Sukses Makmur
02.2016 - 10.2017
Supervisor Heavy Equipment Mechanic
Bustan Indonesia
10.2011 - 02.2016
Supervisor Heavy Equipment Mechanic
Harsco Mineral
05.2011 - 10.2011
Electric Mechanic
CMS Kaltim Utama
02.2010 - 05.2011
Electrician Supervisor
Roda Nusantara
02.2009 - 01.2010
Lead Hand Electric
Kartika Selabumi Mining
06.2007 - 02.2009
Mechanic electric
KTH Engineering
02.2006 - 12.2006
Electrician
Sasamba Bara Yasatama
05.2005 - 10.2005
Bachelor of Science - Electrical Engineering
National Institute of Technology Yogyakarta