Engineer Principal, Mfg Product

About the Role

Lumentum is seeking a Principal Product Development Engineer responsible for driving advanced variant development and technical leadership of complex optical switch modules from end-to-end. This role requires deep technical expertise, strategic problem-solving capability, and strong leadership skills to drive product development, manufacturing readiness, and engineering excellence across global cross-functional teams.

This position serves as a key technical leader for New Product Introduction (NPI), process optimization, yield improvement, and manufacturing scalability while influencing engineering decisions and supporting long-long term technology development.

Key Responsibilities

• Drive and provide technical leadership for New Product Introduction (NPI) activities, including product design reviews, process development, risk assessment, and manufacturing readiness for complex optical modules and telecommunication products.
• Serve as a subject matter expert and technical lead for product development, process integration, yield improvement, and manufacturing optimization initiatives.
• Lead resolution of highly complex product, process, yield, reliability, and quality issues; coordinate with global cross-functional teams to implement effective and sustainable technical solutions.
• Drive strategic continuous improvement initiatives related to production yield, process capability, quality performance, operational efficiency, and manufacturing scalability.
• Lead DFM, PFMEA, process flow optimization, process validation, and development of manufacturing standards and work instructions.
• Manage and oversee Bill of Materials (BOM), component readiness, and collaboration with supply chain teams and suppliers to ensure timely qualification and development of custom parts and assemblies.
• Influence technical decisions and collaborate closely with global engineering, manufacturing, quality, sourcing, and operations teams to support business objectives and product roadmap execution.
• Provide technical mentoring, coaching, and guidance to engineers and cross-functional teams to strengthen organizational engineering capability.
• Support technology development and drive engineering solutions aligned with customer requirements, manufacturing capability, quality expectations, and business goals.
• Lead complex engineering projects and drive execution across multiple priorities in a fast-paced global environment.

Qualifications

• Bachelor’s degree or higher in Engineering or a related Science field. Master’s degree is preferred.
• Minimum 10 years of experience in product development, NPI, manufacturing engineering, or process engineering within telecommunication, optical module, or high-tech manufacturing industries.
• Proven technical leadership experience driving complex engineering projects and influencing cross-functional engineering decisions.
• Strong organizational and leadership skills with the ability to manage multiple complex priorities and drive execution effectively under pressure.
• Excellent communication and presentation skills, both verbal and written, in English.
• Proven ability to collaborate and influence cross-functional teams in a matrix organization across local and international environments.
• Strong technical problem-solving and data analysis capability, including familiarity with databases, statistical analysis tools, and process control systems.
• Strong knowledge of assembly and test processes, manufacturing equipment capabilities, reliability principles, and materials science.
• Hands-on experience with DFM, PFMEA, yield improvement, process optimization, and manufacturing scalability.
• Experience working with telecommunication products such as fiber optic line cards, optical modules, optical switches, and related components is highly preferred.
• Experience mentoring engineers and driving engineering best practices across teams is an advantage.