Don’t send a generic resume — generate a resume and cover letter tailored to this exact role.
PT Sumbermasplast in Gresik, East Java, is seeking an Injection Machine Setting Technician to join our engineering team. You will configure, calibrate and optimise injection moulding machines to ensure peak performance and quality.
The role requires formal qualification in electrical or mechanical engineering and 3–5 years hands-on experience, plus PLC familiarity and ability to read technical drawings. You will work with production and QA teams, maintain records and support continuous
PT Sumbermasplast is seeking a skilled Injection Machine Setting Technician to join our engineering team. This is a full-time position based in Gresik District, Gresik, East Java. In this role, you will be responsible for the configuration, calibration, and optimisation of injection moulding machines to ensure they operate at peak performance and produce components that meet our exacting quality standards. This position is critical to maintaining our production efficiency and product quality, making it essential to our manufacturing operations.
Configure and set up injection moulding machines according to technical specifications and production requirements
Calibrate machine parameters including temperature, pressure, speed and injection time to achieve optimal production runs
Perform routine maintenance and diagnostic checks on injection moulding equipment to prevent breakdowns
Monitor machine performance during production and make real-time adjustments to maintain quality standards
Troubleshoot machine malfunctions and implement corrective actions to minimise downtime
Conduct testing on produced components to verify compliance with quality standards and specifications
Document machine settings, maintenance records and production data accurately
Collaborate with production supervisors and quality assurance teams to optimise output and efficiency
Train and support junior technicians on machine operation and best practices
Ensure compliance with health, safety and environmental regulations in all work activities
Formal qualification or certification in electrical engineering, mechanical engineering or a related technical discipline
Minimum 3-5 years of hands‑on experience setting up and operating injection moulding machines
Strong knowledge of injection moulding processes, equipment and parameters (temperature, pressure, speed, cooling)
Proficiency in reading and interpreting technical drawings and machine specifications
Solid understanding of electrical and mechanical systems used in industrial machinery
Experience with PLC (Programmable Logic Controller) systems and basic troubleshooting
Excellent diagnostic and problem‑solving skills with the ability to identify and resolve technical issues quickly
Attention to detail with a commitment to maintaining high quality standards
Strong communication skills and the ability to work effectively within a team environment
Experience with quality control and metrology tools is advantageous
Willingness to work shifts if required by production schedules
PT Sumbermasplast is committed to providing a supportive and professional working environment where your technical expertise is valued and rewarded. We offer competitive compensation packages, ongoing professional development opportunities and the chance to work with state‑of‑the‑art manufacturing equipment. Our company prioritises employee wellbeing and provides a safe working environment with comprehensive health and safety protocols. We encourage career progression and provide training opportunities to help you develop your skills further. As a growing organisation in the plastics manufacturing sector, you will have the opportunity to contribute to our continued success and expand your technical knowledge within a dynamic team.
PT Sumbermasplast is a leading plastics manufacturing company based in Gresik, East Java. We specialise in the production of high-quality plastic components and products using advanced injection moulding technology. With a commitment to innovation, quality and customer satisfaction, we serve clients across various industries including automotive, consumer goods and industrial sectors. Our state‑of‑the‑art facilities and experienced team enable us to deliver reliable solutions that meet international standards. We are proud of our reputation for technical excellence and our dedication to continuous improvement in all aspects of our operations.