onsemi

Semiconductors for intelligent power and sensing

Diffusion Technician - Manufacturing Equipment

Machine & Process OperationPosted on Nov 6

Full-timeSeremban, Negeri Sembilan, MalaysiaNo salary listedIn-person

About the Job

Requirements

A diploma or certificate in Electronic Engineering, Electrical Engineering, Mechatronics, Manufacturing Technology, Semiconductor Technology, or a related technical field.
A basic understanding of semiconductor manufacturing processes and cleanroom practices.
Willingness to work 12-hour rotating shifts, including weekends and public holidays.
Ability to read, understand, and follow technical procedures, work instructions, and safety requirements.

Responsibilities

Operate, monitor, maintain, and troubleshoot diffusion furnace equipment used in semiconductor manufacturing while ensuring product processing meets specifications and safety, quality, productivity, and equipment-performance standards.
Operate diffusion furnaces and associated support equipment according to standard operating procedures.
Load and unload wafers while ensuring product integrity and contamination control.
Monitor temperature, gas flow, pressure, and recipe conditions to ensure stable operation.
Conduct routine equipment inspections, preventive maintenance, and basic troubleshooting.
Respond to alarms, process deviations, and equipment abnormalities, escalating issues when necessary.
Support equipment qualification, process monitoring, and engineering evaluations.
Ensure compliance with safety, quality, and cleanroom protocols.
Maintain accurate production, maintenance, and process documentation.
Assist engineers with root cause investigations, corrective actions, and continuous improvement projects.
Support yield, cycle-time, and productivity improvement initiatives.
Perform housekeeping to maintain cleanroom and equipment cleanliness standards.
Collaborate with Production, Engineering, Quality, and Maintenance teams to achieve operational objectives.

Desired Qualifications

Relevant manufacturing or semiconductor experience is an added advantage.

A Diffusion Technician is responsible for operating, monitoring, maintaining, and troubleshooting diffusion furnace equipment used in semiconductor manufacturing processes. The role ensures products are processed according to specifications while maintaining high standards of safety, quality, productivity, and equipment performance.

Diploma or Certificate in Electronic Engineering, Electrical Engineering, Mechatronics, Manufacturing Technology, Semiconductor Technology, or a related technical field.
Fresh graduates are encouraged to apply. Relevant manufacturing or semiconductor experience is an added advantage.
Basic understanding of semiconductor manufacturing processes and cleanroom practices.
Willingness to work in a 12-hour rotating shift environment, including weekends and public holidays.
Ability to read, understand, and follow technical procedures, work instructions, and safety requirements.

Operate diffusion furnaces and associated support equipment according to standard operating procedures (SOPs).
Perform wafer loading and unloading activities while ensuring product integrity and contamination control.
Monitor process parameters such as temperature, gas flow, pressure, and recipe conditions to ensure stable operation.
Conduct routine equipment inspections, preventive maintenance (PM), and basic troubleshooting activities.
Respond to alarms, process deviations, and equipment abnormalities, escalating issues when necessary.
Support equipment qualification, process monitoring, and engineering evaluations.
Ensure compliance with safety, quality, and cleanroom protocols.
Maintain accurate production, maintenance, and process documentation.
Assist engineers in root cause investigations, corrective actions, and continuous improvement projects.
Support yield, cycle-time, and productivity improvement initiatives.
Perform housekeeping activities to maintain cleanroom and equipment cleanliness standards.
Collaborate with Production, Engineering, Quality, and Maintenance teams to achieve operational objectives.

About the Company

onsemi

Semiconductors for intelligent power and sensing

onsemi designs and manufactures semiconductors with a focus on intelligent power and sensing technologies for automotive and industrial markets. Its products include power management ICs and sensors that regulate energy, monitor conditions, and provide control signals for EVs, ADAS, factory automation, robotics, and energy infrastructure. The company differentiates itself by its specialized emphasis on intelligent power and sensing across both sectors and through its direct OEM relationships and global distributor network. Its goal is to improve energy efficiency and enable smarter, more capable systems for electrification, autonomy, and sustainable energy solutions.

Company size: 10,001+
Company stage: IPO
Headquarters: Scottsdale, AZ
Founded: 1999

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