Manufacturing Process Development Engineer

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! Job Summary Lumentum Operations LLC is seeking a highly motivated Manufacturing Process Development Engineer to design, develop, and optimize manufacturing processes for our advanced optical and photonic products. This role focuses on improving efficiency, yield, and quality in a high-volume production environment. Job Responsibilities Lead the development and implementation of new manufacturing processes, equipment, and methodologies from concept to production. Optimize existing manufacturing processes to improve yield, throughput, cost, and quality, utilizing statistical process control (SPC) and design of experiments (DOE). Design and execute experiments to characterize process parameters, identify critical factors, and establish robust process windows. Collaborate with R&D, product design, and NPI teams to ensure manufacturability of new products and smooth transitions into production. Develop and maintain detailed process documentation, including work instructions, process flow diagrams, and control plans. Perform root cause analysis for process deviations, yield loss, and quality issues, and implement effective corrective and preventive actions. Evaluate and qualify new materials, equipment, and suppliers to support manufacturing process improvements. Provide technical support and training to manufacturing operators and technicians. * Drive continuous improvement initiatives through Lean manufacturing principles and Six Sigma methodologies. Job Qualifications** Bachelor's or Master's degree in Electrical Engineering, Mechanical Engineering, Materials Science, Physics, or a related technical field. 3-5 years of experience in manufacturing process development within a high-tech industry, preferably in optics, photonics, semiconductors, or a related field. Strong understanding of manufacturing principles, process control, and statistical analysis (SPC, DOE). Experience with optical assembly, fiber handling, laser welding, thin-film deposition, or semiconductor fabrication processes is highly desirable. Proficiency in data analysis tools (e.g., JMP, Minitab, Python, R) and CAD software (e.g., SolidWorks, AutoCAD). Demonstrated ability to troubleshoot complex technical problems and implement effective solutions. Excellent communication, interpersonal, and teamwork skills. Ability to work independently and manage multiple projects simultaneously in a fast-paced environment. 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. Lumentum is illuminating the networks of tomorrow with advanced photonic technologies that enable AI, data centers, telecom, industrial, and sensing applications. As AI accelerates the global demand for bandwidth and energy efficiency, we deliver the building blocks that keep data moving reliably, efficiently, and at massive scale. Our optical products support AI and compute infrastructure, cloud and DCI environments, metro and long-haul networks, while our lasers drive breakthroughs in precision manufacturing and sensing. For nearly five decades, Lumentum has been at the intersection of light and innovation. What began as a vision with JDS Uniphase to harness the power of photonics has evolved into a global force driving the communication infrastructure of tomorrow. At Lumentum, we’re building more than a business—we’re building a team of passionate innovators whose drive to collaborate, create, and connect the world fuels everything we do. We are part of the AI technology revolution and we are illuminating the path forward. Headquartered in San Jose, California, we operate worldwide through a network of R&D, manufacturing, and sales locations.