Senior Maintenance Lead, Injection Molding

PT Sefong Industries Batam; Batam; On-site; IDR 300,000,000 - 420,000,000; Full time

Job summary

PT Sefong Industries Batam is seeking a Senior Maintenance Injection Molding professional to lead our engineering team in Batam, Riau Islands. You will oversee maintenance programs to minimise downtime and maximise production efficiency across our injection moulding operations.

This full-time role requires hands-on diagnostic and repair skills, leadership experience, and the ability to read schematics. You will mentor technicians, coordinate with production, and ensure safety standards are met.

Qualifications

• 5–8 years of hands-on maintenance in injection moulding or similar manufacturing environments.
• Proven ability to diagnose and repair injection moulding machines and hydraulic systems.
• Strong knowledge of mechanical, hydraulic and electrical systems used in injection moulding operations.
• Leadership experience supervising maintenance teams.

Responsibilities

• Lead and manage preventative and corrective maintenance for injection moulding machines and related equipment.
• Conduct regular inspections, diagnostics and troubleshooting to identify issues early.
• Develop maintenance schedules and procedures to optimise performance and extend asset life.
• Supervise and mentor junior maintenance technicians with technical guidance.
• Coordinate with production to plan maintenance and minimise downtime.
• Maintain detailed maintenance logs and documentation of all equipment servicing and repairs.
• Perform complex repairs and component replacements on injection moulding machines and hydraulic systems.
• Monitor equipment performance metrics and recommend upgrades or replacements.
• Ensure compliance with safety regulations in the maintenance department.
• Liaise with suppliers and external specialists for specialized support.

Skills

Maintenance leadership

Injection moulding

Diagnostics & repair

Hydraulic systems

Technical certification

Reading schematics

Education

Mech maintenance cert

Tools

CMMS

Job description

PT Sefong Industries Batam is seeking a Senior Maintenance Injection Molding professional to lead our engineering team in Batam, Riau Islands. You will oversee maintenance programs to minimise downtime and maximise production efficiency across our injection moulding operations.

This full-time role requires hands-on diagnostic and repair skills, leadership experience, and the ability to read schematics. You will mentor technicians, coordinate with production, and ensure safety standards are met.