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ON Semiconductor · Muntinlupa, Philippines

# External Manufacturing Staff Test Engineer

Muntinlupa, Philippines Senior individual contributor Manufacturing & Production 

Listed on ON Semiconductor ’s official careers site. Posted September 7, 2026. Check that it is still open and apply there.
[Apply on ON Semiconductor ’s careers site →](https://hctz.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1001/job/2504856)

[OpenNash Jobs](https://jobs.opennash.com/) / [ON Semiconductor ](https://jobs.opennash.com/companies/on-semiconductor/) / External Manufacturing Staff Test Engineer

## Job description

To support SiC JFET production at PSI and THEPI To support ATP and ATEC and othe OSATs To support potential new OSAT supplier.

## Responsibilities

Managing Test Operation tasks and activities at subcons in Philippines Maverick Lot disposition On-site troubleshooting for Test production/project activities Continuous yield analysis and improvements including test backend Responsible for major subcons KPI including MPE cycle time Lot Reject Rate

## Qualifications

At least 7 years of experience about Semiconductor Test development projects or sustaining activities. At least 3 years of experience in MOSFET & Power Discrete testing Familiar with Test Cell knowledge Familiar with Test Operation Flow Being familiar with VDA 6.3 audit process is a plus. Proficient English is a MUST Capable of coordination and communication among multinational teams to deliver results Organized, Focuses on facts & open-minded with integrity in all aspects.

## At a glance
- Posted by the employer: Sep 7, 2026
- First seen by OpenNash: Jul 10, 2026
- Last checked: Oct 18, 2026
- Listed for: 100 days
- Location: Muntinlupa, Philippines[Apply on ON Semiconductor ’s careers site →](https://hctz.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX_1001/job/2504856)

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