Engineer Sr, Mfg Waferfab

  • Lumentum
  • San Jose, California
  • Full Time

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Epitaxy Engineer (Engineer Sr, Mfg Waferfab) Lumentum Operations LLC

Epitaxy Engineer

Lumentum (NASDAQ: LITE) is a market-leading manufacturer of innovative optical and photonic products enabling optical networking and commercial laser customers worldwide. Lumentums optical components and subsystems are part of virtually every type of telecom, enterprise, and data center network. Lumentums commercial lasers enable advanced manufacturing techniques and diverse applications including next-generation 3D sensing capabilities. Lumentum is headquartered in San Jose, California with RD, manufacturing, and sales offices worldwide. For more information, visit www.lumentum.com.

Lumentum is an Equal Opportunity Employer, EOE/Minorities/Females/Veterans/Individuals with Disability

Job Description:
Virtually every communications network in the worldtelecom, enterprise, or data centerdepends on our optical components and modules. Our high-performance commercial lasers are critical to advanced manufacturing techniques for products ranging from semiconductor chips, smartphones, and tablets to automobiles and appliances.

We are a world technology leader, and our employees are part of an elite, innovative, success-driven team operating in a fast-moving, collaborative work environment to solve real-world problems.

We are seeking an Epitaxy Process Engineer to join our dynamic team, performing the following:

In this position you will:

  • Serve as process engineer for epitaxy and metrology related activities, supporting manufacturing, and supporting R&D for continuous product improvement and NPI development.
  • Assume responsibilities of metal organic chemical vapor deposition (MOCVD) epitaxy and thin film deposition process ownership on dedicated reactor towards 247 manufacturing and developing new-generation optoelectronic devices for optical communications and consumer applications.
  • Develop, optimize, and sustain advanced characterization and measurement processes, as well as metrology tool governance and calibration.
  • Deliver on time and meet all key epitaxy production matrices including the line yield, tool throughput, and its continuous improvement process (CIP) including reactor component design improvement participation, on-time delivery to growth commitment, data generation and presentation towards driving the manufacturing continuity and its troubleshooting, procedure protocols documentation, wafer cost/cycle time, lean manufacturing, engineering change order, statistical process control (SPC)/analysis/report, work instruction, corrective action, high-level production training, manufacturing execution system (MES), process flow, volume manufacturing, other manufacturing documentations/logistics.
  • Interface closely with the manufacturing production as well as various product engineers, equipment engineers, process engineers, chip design engineers, to maintain and improve the legacy wafer fab products and to develop new products.

Requirements:

  • Bachelor, Master or Ph.D. degree in Physics, Electrical Engineering, Material Science or related field is required.
  • Experience with CVD/thin film processes is preferred.
  • Experience developing, optimizing, documenting and sustaining CVD processes, especially MOCVD.
  • Working knowledge of SPC, and reporting SPC/yield for relevant processes is desired.
  • Technical knowledge and hands-on experience in III-V compound semiconductor wafer and device characterizations such as photoluminescence (PL), x-ray diffractometer (XRD), ECV/polarons, particle/defect scan, thin film reflectometer, and spectroscopic ellipsometer is desired.
  • Experience working cooperatively with equipment engineering and product engineering to manage effect of process details on device performance and yield is preferred.
  • Experience with manufacturing execution software that controls process sequence, collects and evaluates process measurements to assure product quality is preferred.
  • Demonstrated ability to analyze the data, write clear technical reports to lead to the valid conclusion or result, and make crisp presentation is necessary.
  • Able to work supporting of 247 fab manufacturing, including working additional off-hours on-call support as required. Work is 100% on site.
  • Experience in manufacturing epitaxy and metrology with familiarity of design of experiment (DOE), statistical process control (SPC), methodical data analysis for process performance improvement and process troubleshooting is ideal.
  • A highly motivated self-starter with ability to work independently and a strong team player with good communication skills.
  • Ability to adapt in rapid changing priorities, to thrive on technical challenges within and outside own core area of expertise, and to interact effectively across multi-functional teams.

Primary Location

S-CA-San Jose 100% on site work

Work Locations

San Jose-Rose, CA USA

80 Rose Orchard Way

San Jose

95134

Job

Manufacturing Waferfab

Organization

US BU

Schedule

Full-time

Employee Status

Regular

Job Type

Standard

Job Level

Individual Contributor

Travel

Less than 5%

Pay Range:

P40-USA-1 :$85,000.00 - $121,400.00

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.

Job ID: 523393685
Originally Posted on: 6/2/2026

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