Principal Process Development Engineer

Posted:
2/3/2026, 9:12:04 AM

Location(s):
Guangdong, China ⋅ Shenzhen, Guangdong, China

Experience Level(s):
Expert or higher ⋅ Senior

Field(s):
Mechanical Engineering

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!

Responsibilities Include:

  • Within the Global Process Development team, located in Shenzhen, lead the process development activities, from development phase (Pre-Alpha and Alpha) to transfer to manufacturing (Beta and Post Beta)
  • Provide input to the design team on new products to guarantee product manufacturability and improve automation level (DFM, DFA)
  • Own the technology transfer to designated manufacturing site (Lumentum and CMs) to establish manufacturing capabilities for beta and post beta phase, in collaboration with the local operation teams
  • As Die bond/assembly process engineer, lead R&D phase Die bond/assembly automation equipment selection and solution development, work closely with vendors and internal resource across functional teams to evaluate machine capability, efficiency, target to deliver low cost, high automation level solution for mass production
  • Own process development deliverables required for project milestones (FMEA, process flow, process control plan, process qualification plan and report)
  • Define assembly yield and process capability targets and coordinate development and improvement activities to meet those targets
  • Develop specific process and equipment to establish new assembly technologies and enable the implementation of new product designs
  • Day to day analysis of process yield and capability (Cpk/Ppk) during the alpha, beta and post beta phase and the implementation of corrective actions through A3/8D methodology
  • Preparation of specific process documentation (Work Instructions, Validation Reports, etc)
  • Lead failure analysis, setup de-bug tree and troubleshooting instructions.
  • Responsible for internal factory or CM pilot line setup for Die bond/assembly process for new products, support ramp up and smoothly transfer knowledge to operation.

Qualifications and Requirements

  • Bachelor’s degree or above, major in Optics, Electronics, Semiconductors, material science, mechanical engineering, Automation or equivalent technical discipline from an accredited college or university
  • At least 8 years of experiences in R&D/NPI/manufacturing process sustain. Have more than 5 years die bonding/assembly process related work experience.
  • Experience in automated production, familiar with automation line development role and logic.
  • Team player; ability to work in a fast-paced, multi-cultural environment with cross-functional teams
  • Self-motivated and able to take ownership of specific tasks and delivery on time
  • Production Operations Knowledge - Has a firm understanding of how complex production lines operate including key items such as industrial workings between facilities/departments, line balance, OEE, error proofing, etc.
  • Understanding of how the manufacturing validation process runs in relation to complex new products that stretch across various engineer teams and manufacturing centers/factories (methodology, validation plans, associated KPIs)
  • Ability to read and interpret basic mechanical drawings or CAD models
  • Strong interpersonal skills dealing with all levels of an organization. Able to effectively and confidently communicate to senior and executive level leadership
  • Strong written and verbal communication skills in both English and Mandarin.
  • Well versed with common workplace software (word processor, spreadsheet, database, etc). Excellent organizational skills
  • Excellent problem-solving skills; adverse in various problem-solving methodologies
  • Availability for regular travels to International Lumentum sites and external CM sites to work with Product Design and Manufacturing teams. This can include temporary assignments in the Manufacturing sites

Skills/Competencies Desirable:

  • Experience in team management is preferred
  • Optical components, design and performance
  • Preference will also be given to candidates who can display an understanding of Kaizen (or similar) methodology

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.