Engineer Principle, Supplier Quality

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business.

If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!

Product & Business Ownership

• Serve as the Supplier Quality Engineer for Lumentum's Mechanical Components to cover mainly on Submount parts and some other mechanical parts, e.g., Plastic Molding, CNC Machining, Soldering Wire, etc., (upon manager assignment).

• Provide supplier quality leadership throughout the complete product lifecycle, from technology development through sustaining production.

• Partners with Product Engineering, Component Engineering, and Commodity Management to influence supplier selection, manufacturing strategy, technology roadmaps, and supplier capability development.

• Support multiple concurrent NPI programs while balancing business priorities, supplier readiness, and manufacturing capacity.

Supplier Quality & Supplier Development

• Lead supplier qualification, manufacturing capability assessments, process audits, and supplier readiness evaluations for strategic suppliers.

• Develop supplier improvement roadmaps focused on quality, yield, process capability, manufacturing robustness, and operational excellence.

• Identify supplier risks and develop mitigation strategies supporting business continuity, supply resiliency, and product quality.

• Drive Lean Manufacturing, Six Sigma, and continuous improvement initiatives with strategic suppliers.

New Product Introduction (NPI)

• Partner with Product Development, Component Engineering, Manufacturing Engineering, and Program Management to ensure supplier readiness for new product introductions.

• Participate in Design Reviews, Design for Manufacturability (DFM), and Design for Excellence (DFX) activities with Engineering teams and suppliers.

• Lead supplier process qualification, First Article Inspection (FAI), process validation, and production readiness activities.

• Support production ramp, supplier transfers, manufacturing transfers, localization initiatives, and capacity expansion projects.

• Ensure suppliers consistently meet quality, reliability, manufacturability, and delivery requirements prior to production release.

Engineering & Technical Leadership

• Act as the primary technical quality interface between Lumentum and strategic suppliers.

• Influence engineering and supplier decisions without direct authority through technical expertise and data-driven decision making.

• Lead supplier technical reviews, quality reviews, executive escalations, and corrective action activities.

• Support Engineering organizations with supplier manufacturing expertise during technology development, product industrialization, and manufacturing transfers.

Cross-Functional Collaboration

• Work closely with Product Engineering, Component Engineering, Commodity Management, Global Sourcing, Manufacturing, Reliability Engineering, Operations, Program Management, and Customer Quality.

• Support supplier changes, value engineering initiatives, localization programs, and manufacturing optimization projects.

• Utilize supplier quality metrics, statistical analysis, and manufacturing data to improve supplier capability and product quality.

• Drive proactive supplier risk management, manufacturing readiness, and long-term supplier development throughout the product lifecycle.

Required Qualifications

• Bachelor of Engineering or higher in Mechanical, Optical, Chemical, Electrical, Industrial Engineering or any related field.

• ISO Certified Auditor or well understand of QMS

• Experience or good knowledge in Submount, mechanical parts, electromechanical parts, etc.

• Experience and knowledge of Casting, Machining, Sheet Metals Stamping, Injection Molding Technologies is advantage, soldering wires, solder pad, etc.

• Minimum 8 years of experience in Supplier Quality Engineering, Manufacturing Quality, Product Quality, or Quality Engineering

• Knowledge of supplier quality systems, statistical process control, process capability analysis, FMEA, Control Plans, Measurement System Analysis (MSA), and structured problem-solving methodologies.

• Excellent communication, organizational, project management, and leadership skills.

• Demonstrated ability to influence cross-functional technical decisions across engineering, manufacturing, sourcing, and supplier organizations.

• Willingness to travel domestically and internationally (approximately 20–30%).

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.