Lumentum is hiring: Senior Hardware Engineer in San Jose

Senior Hardware Engineer, Optical Module R&D – San Jose, US

The Senior Hardware Engineer, Optical Module R&D, will play a hands-on role in supporting the development and optimization of next-generation optical transceiver modules. This position will begin with switch-level testing support on optical modules, ensuring performance, reliability, and alignment to engineering specifications. The Sr engineer will also contribute to mass-production activities by analyzing production data, identifying yield issues, and supporting cross-functional efforts to drive continuous improvement.

This role offers a strong career path within the optical transceiver design team, providing exposure to advanced hardware design, signal integrity, optical/electrical characterization, and full product lifecycle development. It is an ideal opportunity for someone looking to grow into a hardware design engineer within a cutting-edge R&D environment.

Key Responsibilities

• Switch-Level Testing: Perform switch-level testing and validation of optical modules to ensure performance, reliability, and compliance with engineering specifications.
• Module Characterization & Debug: Assist with electrical and optical measurements, data analysis, and troubleshooting to support module bring-up and feature validation.
• Mass Production Yield Improvement: Analyze production data, identify trends affecting yield, and collaborate with manufacturing and engineering teams to drive continuous improvement.
• Test Infrastructure Support: Maintain and improve lab test setups, automation scripts, and documentation to increase efficiency and accuracy in module testing.
• Cross-Functional Collaboration: Work closely with electrical, optical, firmware, and manufacturing teams to support product development throughout the lifecycle.
• Documentation & Reporting: Prepare clear documentation of test procedures, results, and recommendations for design and process improvements.

Minimum Qualifications

• Education: BS, MS, or PhD in Electrical Engineering, Photonics, Physics, Materials Science, or a related field.
• Familiarity with test equipment (oscilloscopes, VNAs, power meters, etc.).
• Foundational understanding of electronics, circuits, and basic optical concepts.
• Strong analytical and problem-solving skills.
• Ability to work effectively in a lab environment.

Preferred Qualifications

• Experience with optical transceivers, high-speed hardware, or signal integrity concepts.
• Basic scripting or automation skills (Python, MATLAB, etc.).
• Prior internship or project experience in hardware, optics, or communications systems.

Employment Type

Full-time

Seniority Level

Mid-Senior level