Job Description

• Operating the Self Loading Concrete Mixer (Carmix) to support shotcrete operations in accordance with daily targets and established working procedures.
• Cleaning the mixing drum, helix blade, and related equipment parts after use to maintain cleanliness and machine performance.
• Managing and supervising the loading and unloading process of shotcrete materials including cement, sand, and water according to daily operational needs.
• Conducting routine pre- and post-operation inspections and recording the results in the Pre-Maintenance Record.
• Monitoring the condition and composition of dry-mix shotcrete materials and making adjustments according to procedures to maintain mixture quality and target final compressive strength.
• Identifying malfunctions or damage to the Carmix unit and performing initial troubleshooting in accordance with capability and safety procedures.

Requirements

• Minimum education of Senior High School (SMA/SMK) or equivalent.
• 1–3 years of experience as an operator of a Self Loading Concrete Mixer (Carmix) or similar equipment, particularly for shotcrete works.
• Holding a valid SIO (Operator License) for a Self Loading Concrete Mixer is an advantage. Candidates with a valid Class B II General Driver's License (SIM B II Umum) may be considered.
• Understanding of the operation, routine inspections, basic maintenance, and troubleshooting of a Self Loading Concrete Mixer.
• Understanding of the shotcrete material mixing process including cement, sand, and water as well as the factors affecting mixture quality.
• Capable of routinely recording unit inspection results and operational activities.
• Understanding and implementing safety procedures during equipment operation and material handling.
• Willing to be placed in remote areas with an extended roster work schedule.