Engineer Staff, Mechanical Engineering

Lumentum Operations LLC; Hong Kong; On-site; HKD 800,000 - 1,200,000; Full time

Job summary

Lumentum Operations LLC seeks an Engineer Staff, Mechanical Engineering to drive design, development, and optimization of optical communication products and manufacturing processes.

You will lead mechanical design using CAD/FEA, validate with robust testing, and collaborate across engineering teams to ensure manufacturability and reliability.

Qualifications

• Bachelor's or Master's degree in Mechanical Engineering or related field.
• 10+ years of mechanical design experience in optical/telecom/semiconductor industries.
• Proficiency in 3D CAD (SolidWorks, Creo) and FEA for stress, thermal, vibration.
• Strong knowledge of machining, molding, stamping and additive manufacturing.
• Experience with DFR and DFM for reliability-focused design.
• Excellent communication and teamwork abilities.

Responsibilities

• Lead mechanical design and analysis of new concepts using CAD/FEA.
• Develop robust testing methodologies to validate designs and improvements.
• Collaborate with electrical, optical, manufacturing, and reliability teams.
• Conduct root cause analysis for failures and drive corrective actions.
• Create detailed engineering docs and participate in design reviews.
• Evaluate materials and manufacturing processes for components.

Skills

Mechanical design

FEA

Testing methods

Root cause analysis

DFR/DFM

Cross-functional collab

Communication

Independent work

Education

Bachelor's or Master's in Mechanical Engineering

Tools

SolidWorks

Creo

FEA software

Job description

It's fun to work in a company where people truly BELIEVE in what they're doing! We're committed to bringing passion and customer focus to the business. If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!

Job Summary

Lumentum Operations LLC is seeking a highly motivated and skilled Engineer Staff, Mechanical Engineering to contribute to the design, development, and optimization of innovative optical communication products and manufacturing processes. This role involves applying mechanical engineering principles to solve complex problems and ensure product reliability and performance.

Job Responsibilities

• Lead the mechanical design and analysis of new product concepts, components, and assemblies, utilizing CAD software (e.g., SolidWorks, Creo) and FEA tools.
• Develop and implement robust testing methodologies to validate mechanical designs, assess performance, and identify areas for improvement.
• Collaborate cross-functionally with electrical, optical, manufacturing, and reliability engineering teams to ensure seamless product integration and manufacturability.
• Conduct root cause analysis for mechanical failures, propose and implement effective corrective actions, and drive continuous improvement initiatives.
• Generate detailed engineering documentation, including specifications, drawings, test plans, and reports, in accordance with company standards.
• Participate in design reviews, providing technical expertise and constructive feedback.
• Evaluate and select appropriate materials and manufacturing processes for various mechanical components.

Job Qualifications

• Bachelor's or Master's degree in Mechanical Engineering or a related field.
• 10+ years of experience in mechanical design and development, preferably within the optical, telecommunications, or semiconductor industries.
• Proficiency in 3D CAD software (e.g., SolidWorks, Creo) and experience with finite element analysis (FEA) for stress, thermal, and vibration analysis.
• Strong understanding of manufacturing processes such as machining, injection molding, stamping, and additive manufacturing.
• Experience with design for reliability (DFR) and design for manufacturability (DFM) principles.
• Demonstrated ability to solve complex mechanical problems through analytical and experimental methods.
• Excellent communication, interpersonal, and presentation skills.
• Ability to work independently and as part of a multi-disciplinary team.

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.

Lumentum is illuminating the networks of tomorrow with advanced photonic technologies that enable AI, data centers, telecom, industrial, and sensing applications. As AI accelerates the global demand for bandwidth and energy efficiency, we deliver the building blocks that keep data moving reliably, efficiently, and at massive scale. Our optical products support AI and compute infrastructure, cloud and DCI environments, metro and long-haul networks, while our lasers drive breakthroughs in precision manufacturing and sensing. For nearly five decades, Lumentum has been at the intersection of light and innovation. What began as a vision with JDS Uniphase to harness the power of photonics has evolved into a global force driving the communication infrastructure of tomorrow.

At Lumentum, we’re building more than a business—we’re building a team of passionate innovators whose drive to collaborate, create, and connect the world fuels everything we do. We are part of the AI technology revolution and we are illuminating the path forward.

Headquartered in San Jose, California, we operate worldwide through a network of R&D, manufacturing, and sales locations.