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onsemi

Semiconductors for intelligent power and sensing

Wafer Level Reliability - Wafer Level Reliability, Technician

Inspection & TestPosted on Nov 11
Full-timeBucheon-si, Gyeonggi-do, South KoreaNo salary listedIn-person

About the Job

Requirements

  • An Associate Degree (2-year college) or higher in Electrical Engineering, Electronics Engineering, Semiconductor Engineering, Mechanical Engineering, or a related technical discipline; equivalent experience in semiconductor testing, equipment maintenance, or engineering support may be considered.
  • Basic understanding of electrical and electronic equipment and measurement systems.
  • Ability to understand and follow technical documentation and work instructions.
  • Interest in equipment maintenance, troubleshooting, and continuous learning.
  • Ability to promptly report and discuss issues.
  • Demonstrated responsibility, reliability, and attention to detail.
  • Ability to work effectively in a team environment.

Responsibilities

  • Execute reliability evaluations according to test plans and work instructions established by engineers.
  • Prepare wafers, probe cards, fixtures, and other materials required for evaluation activities.
  • Support equipment setup and test environment preparation.
  • Promptly report abnormal conditions, equipment issues, or unexpected observations to engineers.
  • Accurately document evaluation activities and maintain testing records.
  • Participate in installation, setup, and qualification activities for newly introduced equipment.
  • Learn and understand equipment operating procedures and maintenance requirements.
  • Perform routine inspections and preventive maintenance to ensure equipment readiness and reliability.
  • Conduct basic troubleshooting when equipment alarms, errors, or abnormal behavior occur.
  • Escalate unresolved issues to engineers promptly and support corrective actions.
  • Work with equipment vendors and related departments to support equipment repair and recovery activities.
  • Support evaluations using WLR-related equipment, including wafer probers, source measure units (SMUs), parametric measurement systems, and other reliability test equipment.
  • Manage probe cards, measurement boards, fixtures, and related test hardware.
  • Handle, install, replace, and move equipment components, measurement boards, fixtures, and related materials as required.
  • Understand and follow technical instructions provided by engineers.
  • Discuss appropriate actions when issues arise rather than making independent decisions outside established procedures.
  • Adhere to defined work instructions, procedures, and safety requirements.
  • Collaborate with engineers, technicians, and other team members to ensure reliable and consistent evaluation results.

Desired Qualifications

  • Experience with semiconductor test equipment or manufacturing equipment.
  • Wafer handling experience.
  • Experience with equipment troubleshooting and maintenance.
  • Experience in semiconductor manufacturing, testing, or development environments.
  • Basic proficiency with Microsoft Excel.
  • Ability to understand English equipment manuals and technical documents.

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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