Mechanical Supervisor

Indocement; Bogor; On-site; IDR 350,000,000 - 520,000,000; Full time

Job summary

PT Mortar Prakarsa Utama is seeking a Maintenance Manager to lead preventive, corrective, and predictive maintenance for two mortar plants. You will drive reliability, efficiency, and safety across MEI systems including PLCs, sensors, and VFDs.

You will develop SOPs, manage spare parts, lead toolbox meetings, and collaborate with Production, Purchasing, and HSE to minimize downtime and ensure safe, compliant operations.

Qualifications

• Bachelor's degree in Mechanical, Electrical, Mechatronics or related engineering field.
• Minimum 5 years of maintenance experience in manufacturing.
• 2–3 years in a managerial or supervisory role.

Responsibilities

• Lead and supervise preventive, corrective, and predictive maintenance for two mortar plants.
• Ensure reliability, efficiency, and safety of MEI systems (mechanical, electrical, instrumentation).
• Develop and update SOPs and Work Instructions; ensure HSE/K3 and LOTO compliance.
• Supervise daily maintenance, breakdown repairs, and modification projects in the field.
• Plan and manage critical spare parts and consumables to minimize downtime.
• Coordinate with Production, Purchasing, HSE, and other departments to support smooth plant operations.
• Conduct RCA for major equipment breakdowns and implement preventive actions.
• Monitor MTBF, MTTR, and OEE; report to management.

Skills

Leadership

Maintenance management

Cross-functional coordination

Analytical thinking

Problem solving

Education

Bachelor’s degree in Mechanical/Electrical/Mechatronics Engineering

Tools

PLC

Sensors

VFDs

Job description

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About the job

We're currently hiring for PT Mortar Prakarsa Utama; a joint venture company engaged in the manufacturing and distribution of ready-mix mortar and other construction materials.

Key Roles

• Lead and supervise preventive, corrective, and predictive maintenance for two mortar plants.
• Ensure the reliability, efficiency, and safety of mechanical, electrical, and instrumentation (MEI) systems.
• Ensure the proper operation of key equipment, including silos, dosing and weighing systems, mixers, packing machines, conveyors, dust collectors, and pneumatic systems.
• Ensure proper maintenance and performance of electrical, automation, and instrumentation systems, including panels, motors, VFDs, PLCs, sensors, and load cells.
• Develop and update SOPs and Work Instructions for maintenance activities and ensure all activities are in compliance with HSE/K3 and LOTO standards.
• Supervise daily maintenance, breakdown repairs, and modification projects in the field.
• Plan and manage critical spare parts and consumables to minimize downtime.
• Set appropriate minimum stock levels and reorder points for maintenance spare parts.
• Prepare weekly, monthly, and annual maintenance schedules, including overhaul and shutdown activities.
• Manage maintenance manpower and resources to ensure timely completion of work.
• Lead toolbox meetings before maintenance activities.
• Conduct Root Cause Analysis (RCA) for major equipment breakdowns and implement preventive actions.
• Monitor and report MTBF, MTTR, and OEE to management.
• Manage and evaluate vendors and contractors involved in maintenance and calibration activities.
• Coordinate with Production, Purchasing, HSE, and other departments to support smooth plant operations.

Qualifications

• Education: Minimum Bachelor’s Degree (S1) in Mechanical Engineering, Electrical Engineering, Mechatronics Engineering, or a related engineering field.
• Experience: Minimum 5 years of experience in Maintenance within the manufacturing industry/minimum 2–3 years of experience in a managerial or supervisory position.
• Mechanical Systems: Strong understanding of mechanical systems, including gearboxes, bearings, pneumatic/hydraulic systems, and welding.
• Electrical Systems: Strong knowledge of both high-voltage and low-voltage electrical systems.
• Automation & Instrumentation: Proficient in automation and instrumentation systems, including PLC, weight hopper calibration, and sensor systems.
• Leadership: Strong leadership and team management skills.
• Cross-Functional Coordination: Ability to coordinate effectively with cross-functional teams, particularly Production and Purchasing.
• Problem Solving: Strong analytical thinking and problem-solving skills.
• Communication: Excellent communication and interpersonal skills.