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! This position is for a R&D role in Lumentum’s Imaging and Sensing Business Unit (ISBU) interacting with a world-class team of laser device researchers. The R&D VCSEL Designer is a key contributor on the team as they introduce new Imaging and 3D sensing laser technology and products. This position will be responsible for driving new VCSEL technology development and new product introduction (NPI) applying their expertise in VCSEL device design, wafer processing, EPI, and laser diode characterization. Key markets include mobile devices, AR/VR, automotive and security. Job Description Design of new GaAs or InP based VCSEL devices and VCSEL technology platforms Apply knowledge and experience with epitaxial growth and wafer fabrication techniques develop the design (mask layout, EPI structure) and fabrication flow (etching, metallization, dielectric passivation, implantation, oxidation, wafer fusion, etc.) Device characterization including laser diode testing at wafer probe and chip-on-carrier for light-voltage-current (LIV), spectra, polarization stability, near-field and far-field beam parameters under CW, ms pulsed and ns pulsed operation. Data analysis and understanding of device physics to correlate the device characterization to design inputs (epi, fab, emitter design and die layout) and use this information along with modeling tools to improve device performance Coordinate with groups within Lumentum and at contract manufacturers to bring the new designs, wafer fabrication flows and device characterization methods into manufacturing and product release Generating key intellectual property (IP) from new ideas in design and manufacturing Required Qualifications PhD degree in optoelectronics or other relevant major or Master’s degree with 3 years of experience is minimum requirement. PhD with industry experience is preferred. Experience with VCSEL design and wafer fabrication Knowledge of basic semiconductor device physics, process technology and equipment, Experience with software data analysis tools (such as Excel, JMP, Minitab), photomask layout, and data processing (Python, Matlab) Preferred Qualifications Experience with VCSEL devices at longer wavelength 1100 to 1550nm Optoelectronic device modeling including electrical, optical, thermal, etc. Strong communication skills and teamwork Base Salary Range: $103,600K-$148K (USD) Disclaimer: Final base salary for the successful candidate will depend on multiple factors, including but not limited to, job location, where work will be performed, qualifications, work history and relevant experience. With our continual goal of making Lumentum a best place to work for our employees, we strive to offer employees competitive total compensation packages, which may include annual bonus, commission for certain sales roles, equity, and health and welfare benefits. It’s an exciting time to join Lumentum! Lumentum (NASDAQ: LITE) is a market-leading manufacturer of innovative optical and photonic products enabling optical networking and commercial laser customers worldwide. Lumentum’s optical components and subsystems are part of virtually every type of telecom, enterprise, and data center network. Lumentum’s commercial lasers enable advanced manufacturing techniques and diverse applications including next-generation 3D sensing capabilities. Lumentum is headquartered in San Jose, California with R&D, manufacturing, and sales offices worldwide. For more information, visit www.lumentum.com. We believe Lumentum is a great place to work and we support a diverse and inclusive culture where employees bring their whole and authentic selves to work. We strive to build meaningful connections that fuel innovation to produce products that impact the world. We are committed to creating a diverse and welcoming workplace that includes employees with diverse backgrounds and experiences. We believe that enables us to better meet our mission and values while serving customers throughout our global communities. People of color, women, LGBTQIA , veterans, and persons with disabilities are encouraged to apply. All offers of employment are subject to background checks, appropriate work authorizations, and depending on the country, drug screens may be required prior to the start date. As a global employer, Lumentum is proud to be an equal opportunity workplace and an affirmative action employer. Protected categories differ from jurisdiction to jurisdiction but may include race, ethnic origin, color, ancestry, religion, sex, national origin, sexual orientation, gender identity or expression, age, citizenship, marital status, disability, or veteran status.