Job Title:  SUPV III MAINTENANCE

The Maintenance Supervisor III leads a team of Maintenance Supervisors and technicians to drive equipment reliability, reduce downtime, and support manufacturing performance. This role is responsible for providing leadership, developing team capability, and driving continuous improvement while ensuring safe and efficient operations.

The position oversees maintenance activities across multiple production areas, manages maintenance performance and preventive maintenance programs, and works closely with cross-functional teams to improve equipment uptime, operational excellence, and overall business results.

• Own machine and equipment reliability for assigned production lines, ensuring machines are safe, stable, and ready for production.
• Lead Maintenance Supervisors II, and technicians across multiple maintenance disciplines (electrical, mechanical, fixture, and molding).
• Drive machine downtime reduction through daily reviews, root cause analysis (5 Why, 4M, 8D), and corrective/preventive actions.
• Monitor and improve equipment performance using MTBF, MTTR, downtime Pareto, and reliability data.
• Own and continuously improve preventive maintenance (PM) and TPM programs to maximize equipment availability.
• Standardize maintenance processes, troubleshooting guides, work instructions, and shift handover practices across all teams.
• Manage critical spare parts, maintenance budgets, supplier support, and repair costs to ensure operational continuity.
• Lead maintenance readiness for new machine installation, FAT/SAT, machine buy-off, line transfer, and production ramp-up activities.
• Ensure machine drawings, PLC backups, maintenance records, and technical documentation are accurately maintained and updated.
• Coach, develop, and assess maintenance supervisors and technicians, including hiring, onboarding, performance management, and competency development.
• Enforce safety standards including LOTO, JSA, work permits, and electrical safety requirements, ensuring zero unsafe maintenance activities.
• Deliver weekly maintenance performance reports to management, highlighting downtime trends, key issues, corrective actions, and improvement opportunities.

• Bachelor’s degree or higher in Electrical, Electronics, Mechatronics, Mechanical, or Industrial Engineering.
• Minimum 8-12 years of experience in production machine maintenance within electronics, connector, cable, automotive, or related manufacturing environments.
• At least 3-4 years of leadership experience, supervising maintenance teams, leaders, or supervisors.
• Strong knowledge of preventive maintenance (PM), total productive maintenance (TPM), equipment reliability, and downtime reduction methodologies.
• Proven experience in root cause analysis and problem solving using tools such as 5 Why, 4M, and 8D.
• Hands-on knowledge of PLC, HMI, servo systems, sensors, vision systems, pneumatics, and automated manufacturing equipment.
• Ability to interpret electrical schematics, mechanical drawings, and technical documentation.
• Experience with MTBF, MTTR, downtime Pareto analysis, and reliability improvement initiatives.
• Familiarity with machine installation, FAT/SAT, equipment buy-off, line transfer, and production ramp-up activities.
• Working knowledge of LOTO, JSA, electrical safety requirements, and maintenance compliance standards.
• Proficiency in SAP PM or other maintenance management systems, as well as Microsoft Excel; Power BI is an advantage.
• Good command of English and Thai, with the ability to prepare reports and communicate effectively with management, suppliers, and auditors