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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mechanical Engineer ( AI & Data Center Optical Modules) - **Company:** Lumentum - **Location:** San Jose, CA, United States - **Experience:** Expert - **Salary:** $145,600.0 - **Contract:** Permanent contract - **Skills:** Computer-Aided Design, Artificial Intelligence, Data Analysis, Computer Programming, SolidWorks (CAD), Data Centers, MATLAB, Scripting, JMP (Statistical Software), High Performance Computing, Yield Optimization - **Published:** June 24, 2026 - **Apply:** https://www.dice.com/job-detail/7b1fe6b3-4830-4250-800a-93989782bb3a ## About the Role * B.S. in Mechanical Engineering or a related discipline (M.S. or Ph.D. preferred) * Experience level flexible: typically 5+ years of relevant industry experience for senior-level consideration; motivated early-career engineers with strong fundamentals and relevant project experience are also encouraged to apply * Prior experience developing optoelectronic or high-speed electronic products for data center, AI, or high-performance computing applications is highly valued * Strong proficiency in mechanical design and thermal simulation tools such as SolidWorks, FloTHERM, or equivalent CAD/FEA platforms * Deep understanding of thermal management, structural analysis, and high-density packaging design * Experience with GD&T and tolerance stack-up analysis for complex assemblies * Familiarity with high-density, non-hermetic optical module packaging and design for manufacturability (DFM/DFA) * Working knowledge of data analysis tools (e.g., JMP) and basic scripting or programming (VB, C, MATLAB, etc.) to support testing and automation is a plus * Ability to operate independently on complex technical problems while contributing effectively in a highly cross-functional environment Additional Information * Self-motivated and adaptable in a fast-paced R&D and NPI environment * Willingness to travel internationally (up to 25%) to manufacturing and contract manufacturing sites to drive NPI execution, manufacturing readiness, yield improvement, and high-volume production ramp ## Description We are seeking Mechanical Engineers to support the design and development of next-generation high-speed optical modules for AI and data center interconnect applications. This role focuses on advanced mechanical and thermal packaging solutions for high-density, high-power optical modules, including pluggable form factors and emerging advanced packaging architectures., * Design and develop mechanical packaging solutions for high-speed optical modules used in AI and data center interconnect systems * Drive mechanical concepts from architecture definition through detailed design, prototype build, validation, and production ramp * Develop detailed 3D CAD models and engineering documentation * Perform advanced thermal and mechanical stress analysis (FEA) to address high power density, airflow constraints, and long-term reliability * Own GD&T definition and tolerance stack-up analysis for high-density opto-electro-mechanical assemblies * Design fixtures, tooling, and test infrastructure to support optical alignment, module validation, and scalable manufacturing * Collaborate closely with optical, electrical, thermal, reliability, manufacturing, and supply-chain teams to deliver integrated, system-aware solutions * For senior-level engineers: provide technical direction, review designs, mentor junior engineers, and influence mechanical and thermal platform strategy ## Related Videos - [Strange New Worlds: shaping the future of the digital age](https://www.wearedevelopers.com/videos/677-strange-new-worlds-shaping-the-future-of-the-digital-age) - [The Sustainability Race: AI's Promises, Pitfalls and Potential](https://www.wearedevelopers.com/videos/100155-the-sustainability-race-ai-s-promises-pitfalls-and-potential) - [JavaScript? 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