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We are seeking a highly skilled and motivated Principle Mechanical Engineer to lead the mechanical design and assembly process development for our next-generation 2.4T optical transceiver modules. The successful candidate will play a key role in translating system requirements into robust mechanical solutions that ensure superior performance, manufacturability, and reliability.
Key Responsibilities:
Lead the mechanical design of 2.4T optical modules, including housing, heat dissipation, optics alignment structures, and PCB integration.
Develop and optimize assembly processes for high-volume manufacturing, covering precision alignment, bonding, soldering, and sealing.
Conduct mechanical tolerance analysis, thermal analysis, and reliability assessment to ensure design robustness.
Work closely with electrical, optical, and manufacturing teams to ensure cross-functional design compatibility and smooth product ramp-up.
Collaborate with suppliers and CM partners to define mechanical specifications, tooling, and assembly fixtures.
Support design reviews, failure analysis, and continuous improvement of product yield and manufacturability.
Qualifications:
Bachelor’s or Master’s degree in Mechanical Engineering or related field.
3+ years of experience in mechanical design and process development for optical, communication, or precision electronic products.
Proficient in 3D CAD tools (e.g., SolidWorks) and GD&T.
Strong understanding of thermal design, tolerance stack-up, and high-precision assembly.
Excellent communication, leadership, and cross-functional collaboration skills.
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.
Skills Required
- Bachelor's or Master's degree in Mechanical Engineering or related field.
- 3+ years of experience in mechanical design and process development for optical, communication, or precision electronic products.
- Proficient in 3D CAD tools (e.g., SolidWorks) and GD&T.
- Strong understanding of thermal design, tolerance stack-up, and high-precision assembly.
- Excellent communication, leadership, and cross-functional collaboration skills.
Lumentum Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Lumentum and has not been reviewed or approved by Lumentum.
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Equity Value & Accessibility — Equity is positioned as a meaningful part of total compensation, with RSUs frequently framed as a valued component of offers. An employee stock purchase plan with a discount and look-back further reinforces equity access as part of rewards.
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Retirement Support — Retirement benefits are presented as a clear strength, with a 401(k) match and immediate vesting highlighted as supportive features. Auto-enrollment and match eligibility details indicate a structured retirement program for U.S. employees.
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Healthcare Strength — Multiple medical plan options are described, including PPO and HDHP/HSA choices and Kaiser in some locations, suggesting breadth and choice in coverage. Health and well-being programming is also characterized as part of a comprehensive benefits approach.
Lumentum Insights
What We Do
Lumentum (NASDAQ: LITE) is a market-leading designer and manufacturer of innovative optical and photonic products enabling optical networking and laser applications worldwide. Lumentum optical components and subsystems are part of virtually every type of telecom, enterprise, and data center network. Lumentum lasers enable advanced manufacturing techniques and diverse applications including next-generation 3D sensing capabilities. Lumentum is headquartered in San Jose, California with R&D, manufacturing, and sales offices worldwide. For more information, visit www.lumentum.com.
