The Subcon Quality Engineer is responsible for ensuring subcontractor (external manufacturing) quality performance meets onsemi requirements for reliability, compliance, and customer satisfaction. This role partners closely with subcontractors, internal cross‑functional teams, and customers to support New Product Introduction (NPI), production, and continuous quality improvement.
Define and implement subcontractor qualification and quality requirements
Perform quality phase‑gate reviews (APQP) for new product implementation, site qualification, transfers, and process/material changes
Act as a quality engineering technical resource for subcontractor development, qualification, and sustaining production
Lead and conduct audits to subcontractor process, technical, and quality management system
Support and facilitate external customer audits at subcontractor sites as the main contact window from customer quality engineer.
Lead failure analysis and quality issue resolution, including on‑site support for critical issues
Monitor and drive subcontractor quality performance metrics and continuous improvement initiatives
Implement and sustain quality programs, corrective and preventive actions (CAPA), and effectiveness checks
Drive error‑proofing, quality incident prevention, and zero‑defect mindset across subcontractor sites
Deploy best practices, lessons learned, and standardized quality methods
Provide training and orientation to subcontractors on onsemi quality systems, tools, and requirements
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Bachelor’s degree in Engineering, or related technical discipline
Minimum 10 years of experience in semiconductor quality, manufacturing or development engineering
Experience supporting external manufacturing / subcontractors (OSAT) preferred
Strong knowledge of APQP, FMEA, SPC, and MSA
Experience with IATF 16949 / TS16949 quality standards
VDA 6.3 audit experience or certification is an advantage
Excellent communication skills in English, with the ability to engage effectively with global teams and customers.
Key Skills & Competencies
Subcontractor / supplier quality management
Audit and compliance execution
Strong technical knowledge of semiconductor WLCSP, plating and bumping processes.
Root cause analysis and structured problem solving
Cross‑functional and cross‑cultural collaboration
Strong communication and customer focus
Self-motivated and capable of working independently and planning.
Positive and proactive attitude toward challenges and continuous learning for all critical issues.
Willingness to travel to and work in subcontractor sites as required
