Senior Quality Manager — Power Electronics & NPI

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

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.