Principal Engineer, Mechanical

Lumentum

China - Wuhan💼 Full-time🗓 2026-10-06 → 2026-10-07

Core

Lead mechanical design and assembly process development for next-generation 2.4T optical transceiver modules.

Role type

Principal Mechanical Engineer

Builds

2.4T optical transceiver modules

Domain

Optical communications / Precision electronics

Required skills

Mechanical design, Assembly process development, Thermal analysis, Tolerance stack-up analysis, GD&T, 3D CAD (SolidWorks), Cross-functional collaboration

Preferred skills

Experience with high-volume manufacturing, Supplier and CM partner management (via careerplan.io/jobs/2026940-principal-engineer-mechanical-at-lumentum)

Technologies

SolidWorks

Responsibilities

Lead mechanical design of optical modules including housing, heat dissipation, and optics alignment; Develop and optimize assembly processes for high-volume manufacturing; Conduct mechanical tolerance and thermal analysis; Collaborate with electrical, optical, and manufacturing teams; Work with suppliers and CM partners on specifications and tooling; Support design reviews and failure analysis.

Seniority

Principal, hands-on IC

About Lumentum

Semiconductor Manufacturing3714San Jose, California, USFounded 2015

Lumentum (NASDAQ: LITE) is a global leader in optical and photonic technologies that power the networks and infrastructure behind AI, cloud computing, and next-generation communications. Built on decades of photonics innovation, Lumentum delivers high-performance lasers, modules, and optical subsystems that enable scalable, energy-efficient data center connectivity, advanced telecom networks, industrial manufacturing, and sensing applications. Headquartered in San Jose, California, the company operates R&D, manufacturing, and sales facilities worldwide.