Quality Manager, Power Electronics Products

Vital Materials Co., Limited; Cupertino (CA); On-site; USD 110,000 - 160,000; Full time

Job summary

Vital Materials Co., Limited is seeking a Quality Manager for Power Electronics Products in California. The role ensures that all products meet strict customer quality requirements throughout the lifecycle and acts as the primary liaison among customers, sales, plant quality, and global engineering teams.

The candidate will drive FAT/SAT, DFMA, and advanced quality tools, supporting NPI across production releases and providing QA support through EOL with continuous improvement focus.

Qualifications

• Bachelor's degree in engineering (Electrical/Mechanical)
• 5-8 years of experience in product quality management for complex power electronics products.
• Experience in quality control, manufacturing, or quality engineering; preference for clean energy/renewable/industrial sectors.
• Strong knowledge of FAT, SAT, DFMA, NPI processes, and UL certification.
• Proficiency in quality tools: PPAP, Control Plans, FMEA, SPC, 8D problem-solving.
• Certifications: ASQ CQE; Six Sigma Green/Black Belt preferred.
• Experience working with global teams (China collaboration highly desirable).

Responsibilities

• Serve as the main quality interface between customers and internal teams; ensure timely resolution of quality issues.
• Represent plant quality during customer audits, FAT and SAT.
• Conduct internal and external audits to ensure ISO/UL compliance.
• Lead quality planning and execution during NPI phases for new products (Transformers, PDS, Switchgear MV, ECM, Ultra Capacitors).
• Collaborate with engineering teams in China and local manufacturing to apply DFMA principles.
• Validate product compliance with UL and other regulatory standards.
• Manage stage-gate deliverables and quality milestones during product introduction.
• Develop and implement quality control plans for all product lines.
• Conduct DFMEA/PFMEA and risk assessments; drive 8D root-cause analysis and corrective actions.
• Oversee supplier quality audits and qualification for critical components.
• Implement Lean Six Sigma and Kaizen initiatives; monitor KPIs and use SPC for trend analysis.
• Maintain detailed quality documentation for NPI, FAT/SAT, and compliance audits.
• Provide regular quality performance reports to senior management and customers.

Skills

Quality planning

Root cause analysis

8D problem solving

Statistical analysis

Education

Bachelor's degree in Electrical/Mechanical Engineering

Tools

FAT

SAT

DFMA

NPI processes

UL certification

PPAP

Control Plans

FMEA

SPC

8D methodology

Job description

Job Title: Quality Manager, Power Electronics Products

Location: California
Reports To: VP of Global Quality

Role Overview

The Quality Manager (Power Electronics Products) position is to provide Quality Engineering service to one of our most important customer in the clean energy sector. Needs to ensure that all Products meet the stringent quality requirements and standards of the customer throughout the product lifecycle. This role acts as the primary Quality liaison between customers, Sales team, Plant quality teams, and Global engineering teams, driving compliances and meeting Customer Quality Requirements. The position will support NPI (New Product Introduction) Processes into Production release and Qualification at Customer and provide quality Support till EOL, with robust quality practices. The position requires expertise in FAT/SAT, DFMA, and advanced quality tools, with a strong focus on continuous improvement and quality management skills.

Quality Engineering experience in power electronics such as Power Distribution Systems (PDS), Switchgear electrical equipment, Transformers, DC/AC Energy Conversion modules, and Automatic Transfer Switches is Highly preferred.

Key Responsibilities

Customer & Internal Liaison

• Serve as the main quality interface between customers and internal teams, ensuring clear communication and timely resolution of quality issues.
• Represent plant quality during customer audits, FAT (Factory Acceptance Test), and SAT (Site Acceptance Test).
• Conduct internal and external audits to ensure compliance with industry standards (like ISO) and regulations, such as UL.

Product Development & NPI

• Lead quality planning and execution during NPI phases for new products (Transformers, PDS, Switchgear MV, ECM, Ultra Capacitors).
• Collaborate with engineering teams in China and local manufacturing teams to ensure DFMA (Design for Manufacturing & Assembly) principles are applied.
• Validate product compliance with UL and other regulatory standards.
• Manage stage-gate deliverables and quality milestones during product introduction.

Quality Assurance & Control

• Develop and implement quality control plans for all product lines.
• Conduct DFMEA/PFMEA and risk assessments during design and production phases.
• Drive root cause analysis and corrective actions using 8D methodology.
• Oversee supplier quality audits and qualification for critical components.

Continuous Improvement

• Implement Lean Six Sigma and Kaizen initiatives to improve process capability and reduce defects.
• Monitor KPIs and use SPC (Statistical Process Control) for trend analysis and improvement.

Documentation & Reporting

• Maintain detailed quality documentation for NPI, FAT/SAT, and compliance audits.
• Provide regular quality performance reports to senior management and customers.

Qualifications

• Bachelor's degree in engineering (Electrical /Mechanical Engineering)
• 5-8 years of experience in product quality management for complex power electronics products.
• Experience in quality control, manufacturing, or quality engineering is necessary, with a preference for experience in the clean energy, renewable energy, or industrial sector.
• Strong knowledge of FAT, SAT, DFMA, NPI processes, and UL certification.
• Proficiency in quality tools: PPAP, Control Plans, FMEA, SPC, 8D problem-solving.
• Certifications: ASQ CQE (Certified Quality Engineer), Six Sigma Green/Black Belt preferred.
• Experience working with global teams (China collaboration highly desirable).

Preferred Skills

• Excellent communication and stakeholder management skills.
• Strong leadership and project management capabilities.
• Ability to analyze quality metrics and trends using statistical tools.