Principal Opto-Mechanical Engineer - Lead Systems

Lumentum Operations; Hong Kong; On-site; HKD 900,000 - 1,400,000; Full time

Job summary

Lumentum Operations LLC is seeking a highly experienced Principal Mechanical Engineer to lead the design, development, and optimization of complex mechanical systems for our cutting-edge optical products. This role involves driving advanced mechanical engineering solutions from concept to production, ensuring robust performance, reliability, and manufacturability.

The ideal candidate will mentor engineers, collaborate with optical, electrical, and manufacturing teams, oversee validation

Qualifications

• Master's degree in Mechanical Engineering; Ph.D. preferred.
• 10+ years of progressive experience in mechanical design and analysis, preferably within the optical, semiconductor, or high-tech manufacturing industries.
• Expert proficiency with 3D CAD software (e.g., SolidWorks) and PDM/PLM systems.
• Demonstrated expertise in advanced FEA and CFD tools (e.g., ANSYS, FLOTHERM).
• Strong understanding of material science, heat transfer, vibrations, and precision mechanical design principles.
• Experience with design for manufacturability (DFM), design for assembly (DFA), and design for reliability (DFR).
• Proven ability to lead complex technical projects and mentor engineering teams.
• Excellent problem-solving skills and a strong analytical mindset.
• Exceptional communication, interpersonal, and presentation skills.
• Experience with optical alignment and packaging techniques is a significant advantage.

Responsibilities

• Lead the mechanical design and analysis of opto-mechanical assemblies, modules, and systems for new product introduction and existing product enhancements.
• Conduct advanced engineering analysis, including FEA (stress, thermal, vibration), CFD, and tolerance analysis, to ensure design integrity and performance.
• Develop detailed mechanical specifications, design documentation, and test plans.
• Collaborate with cross-functional teams including optical, electrical, manufacturing engineers, and program managers to define requirements, integrate designs, and troubleshoot issues.
• Mentor junior engineers and provide technical guidance within the mechanical engineering team.
• Drive the selection and qualification of materials, components, and manufacturing processes.
• Identify and implement innovative mechanical solutions to improve product performance, cost-effectiveness, and manufacturability.
• Oversee design validation and verification activities, including prototype testing and failure analysis.
• Stay abreast of industry trends, new technologies, and best practices in mechanical engineering and optical systems.

Skills

Leadership

Mentoring

Analytical thinking

Problem solving

Communication skills

Team collaboration

Education

Master's degree in Mechanical Engineering

Ph.D. preferred

Tools

SolidWorks

PDM/PLM

ANSYS

FLOTHERM

CFD

Job description

Lumentum Operations LLC is seeking a highly experienced Principal Mechanical Engineer to lead the design, development, and optimization of complex mechanical systems for our cutting-edge optical products. This role involves driving advanced mechanical engineering solutions from concept to production, ensuring robust performance, reliability, and manufacturability.

The ideal candidate will mentor engineers, collaborate with optical, electrical, and manufacturing teams, oversee validation