Principal Quality Engineer - Optics & Lasers Systems
Listed on 2025-12-01
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Engineering
Quality Engineering, Process Engineer, Manufacturing Engineer, Mechanical Engineer
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A Day in Your Life at MKS:
As a Principal Quality Engineer at Newport / MKS Instruments, located in Irvine, CA, you will lead Quality Engineering efforts across high-value optical assemblies and laser systems, with a particular focus on critical subsystem manufacturing transfers. You will partner with cross-functional teams in manufacturing, engineering, and supply chain to drive world-class product quality, support transfer programs to global sites, and enable customer satisfaction through a data-driven, zero-defect mindset.
A Day in Your Life at MKS:
As a Principal Quality Engineer at Newport / MKS Instruments, located in Irvine, CA, you will lead Quality Engineering efforts across high-value optical assemblies and laser systems, with a particular focus on critical subsystem manufacturing transfers. You will partner with cross-functional teams in manufacturing, engineering, and supply chain to drive world-class product quality, support transfer programs to global sites, and enable customer satisfaction through a data-driven, zero-defect mindset.
You will report to the Technical Director, Quality Engineering and serve as a key quality liaison for high-complexity, precision optical and laser products.
You Will Make an Impact By:
- Leading Quality Engineering activities for laser-based optical subsystems, including optical assembly transfer programs from Irvine to global manufacturing sites
- Driving a culture of Zero Defect Quality in collaboration with the Optical Assembly and Laser Systems Teams
- Applying structured 8D and DMAIC problem-solving to complex technical issues, with timely customer-facing communication and closure
- Leading PFMEA, control plans, and quality risk assessments for complex optical assemblies and transfers
- Drive the implementation of process controls based on risk assessments that mitigate risk or ensure point of generation detection of quality defects/concerns
- Reviewing and updating QMS documentation and procedures in compliance with ISO 9001:2015 and customer-specific quality requirements
- Leading Customer Complaints, RMAs, CAPA, and related metrics tracking, with strong ownership of root cause and corrective actions
- Partnering with Engineering and Production teams to proactively reduce variability and enhance process capability and product reliability
- Evaluate and improve upon existing monitoring and measuring capability for manufacturing and assembly processes in a manner that is both practical and statistically effective (e.g. Measurement System Analysis)
- Supporting incoming inspection, in-process quality, and final product release for complex, tolerance-critical assemblies
- Supporting customer audits, transfer validation, and regulatory compliance for semiconductor and aerospace customers
- Support continuous improvement activity within the facility. Launch and/or participate in multi-disciplinary Kaizen events as needed to enhance productivity and/or quality performance within the facility
- Bachelor’s or Master’s degree in Engineering, Physics, Optics, or related technical field
- 8+ years of Quality Engineering experience in a precision manufacturing environment, preferably involving laser systems, optics, or semiconductor equipment
- Strong command of quality tools and methodologies: 8D, PFMEA, SPC, MSA, PPAP, DOE, Six Sigma, etc
- Experience with product and process transfers, especially in regulated or customer-qualified environments
- Deep understanding of ASME Y14.5-2009 GD&T, ISO 9001:2015, and customer quality expectations in semiconductor or aerospace industries
- Proven ability to work across functions and lead complex issues with data-driven decision-making and cross-functional collaboration
- Experience supporting Tier-1 semiconductor OEMs Hands-on experience with laser integration, fiber optics, or advanced optical…
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