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Lumentum

Supplies photonic components for networks

Laser Semiconductor Engineer

Hardware EngineeringConfirmed live in the last 24 hours
Full-timeSagamihara, Kanagawa, JapanNo salary listedIn-person

About the Job

Requirements

  • A BSc, MSc, or PhD in electronics, electrical engineering, physics, or an equivalent technical field.
  • For candidates with a bachelor's degree, at least 6 years of work experience; for candidates with a master's degree, at least 4 years of work experience. No relevant work experience is required for candidates with a PhD.
  • Knowledge of compound semiconductors, such as the InP material system, and material physics.
  • At least 2–3 years of experience in semiconductor laser design and development.
  • Experience designing semiconductor laser diode products to improve yield and reduce costs.
  • Experience analyzing large volumes of experimental data using JMP or similar statistical analysis tools.
  • Knowledge of semiconductor device reliability.
  • Fluency in Japanese and intermediate English proficiency.
  • Basic computer skills, including MS Excel, PowerPoint, and Word.

Responsibilities

  • Develop enhanced laser designs to improve existing products using semiconductor material physics and optical science.
  • Support new product introduction (NPI), capacity ramp-up, and stable volume production.
  • Design DFB lasers to improve yield and reduce costs.
  • Design and fabricate necessary evaluation parts, such as submounts, as needed.
  • Evaluate fabricated chips, analyze evaluation data, and prepare technical reports.
  • Provide customer technical support and present technical results.

Desired Qualifications

  • Programming skills, such as Excel VBA/macros and Python.

About the Company

Lumentum

Supplies photonic components for networks

Lumentum designs and manufactures optical and photonic components for data networks, data centers, sensing, and manufacturing, including diode lasers. Its devices convert electronic signals into light to enable high-speed data transmission and 3D sensing. The company differentiates itself with a broad, high-volume photonics platform that combines silicon photonics, laser diodes for 3D sensing, and integrated optical components for cloud, networking, and manufacturing, supporting large-scale deployment. Its goal is to increase the speed, flexibility, and efficiency of communication networks and sensing systems to meet growing cloud data traffic.

Company size
1,001-5,000
Company stage
IPO
Headquarters
San Jose, CA
Founded
2015

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