Staff Mechanical Component Engineer

Lumentum Operations LLC; San Jose (CA); On-site; USD 112,000 - 160,000; Full time

Benefits offered by this job

Health and welfare benefits

Annual bonus potential

Job summary

Lumentum is seeking a Mechanical Component Engineer to own the selection, qualification, and lifecycle management of mechanical components used in optical, telecom, and related products. You will work with Mechanical Design, R&D, Supplier Quality, Procurement, Manufacturing, and suppliers to meet design, performance, quality, reliability, cost, and long-term availability requirements.

The role involves driving manufacturability into component design and specifications, defining acceptance

Qualifications

• Bachelor’s degree in Mechanical Engineering or related field.
• Five+ years of experience in mechanical component engineering, design, supplier quality, manufacturing engineering, or related field.
• Strong knowledge of mechanical components, materials, and manufacturing processes used in precision electromechanical, electronic, or optical products.
• Experience interpreting mechanical drawings, specifications, material standards, and inspection reports.
• Strong understanding of manufacturing processes such as machining, stamping, molding, casting, extrusion, plating, surface finishing, and mechanical assembly.
• Working knowledge of tolerance analysis, dimensional control, metrology, and root-cause analysis.
• Experience reviewing material certifications and supplier quality documentation.
• Ability to manage environmental exposure, vibration, thermal cycling, corrosion, and long-term operation risks.

Responsibilities

• Collaborate with Engineering and Supplier Quality to drive manufacturability into mechanical component design and selection.
• Own Component Engineering activities for mechanical components, including technical requirements, selection, qualification, lifecycle management, reliability, and engineering change assessment.
• Collaborate with R&D and Supplier Quality to drive manufacturability into component design, specifications, and selection.
• Define and review component specifications, drawings, CTQs, tolerances, and acceptance criteria to ensure robust and manufacturable designs.
• Lead technical qualification of new and alternate mechanical components, including validation.
• Partner with Supply Chain on alternate-source development, providing technical qualification and risk assessment.
• Assess component performance, materials, processes, tolerance stack-ups, and reliability risks.
• Evaluate PCNs, EOLs, material changes, and engineering changes for impact.
• Lead problem-solving and failure analysis for component issues with Supplier Quality.

Skills

Mechanical engineering knowledge

Analytical skills

Technical writing

Communication

Education

Bachelor’s degree in Mechanical Engineering

Tools

Creo

SolidWorks

CATIA

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! About Lumentum At Lumentum, we’re building the tech behind the world’s fastest networks and most advanced systems. Our optical and photonic solutions power everything from AI and cloud computing to data centers, telecom, and advanced manufacturing. We’re a global team of innovators working where light meets technology, solving big challenges that keep the world connected and moving forward. If shaping the future of connectivity excites you, you’ll fit right in. Why You’ll Love This Role The Mechanical Component Engineer is responsible for the selection, qualification, approval, lifecycle management, and reliability oversight of mechanical components used in optical, telecom, datacom, and electronic products. The candidate will work closely with Mechanical Design, R&D, Supplier Quality, Procurement, Manufacturing, Compliance, and suppliers to ensure that mechanical components meet design, performance, quality, reliability, cost, and long-term availability requirements.

Key Responsibilities

Collaborate with Engineering and Supplier Quality to drive manufacturability into mechanical component design and selection. Own Component Engineering activities for mechanical components, including technical requirements, selection, qualification, lifecycle management, reliability, and engineering change assessment. Collaborate with R&D and Supplier Quality to drive manufacturability into mechanical component design, specifications, and selection. Define and review component specifications, drawings, CTQs, tolerances, and acceptance criteria to ensure robust and manufacturable designs. Lead technical qualification of new and alternate mechanical components, including dimensional, material, functional, environmental, and reliability validation. Partner with Supply Chain and Supplier Quality on alternate-source development, providing technical qualification and component risk assessment. Assess mechanical component performance, materials, manufacturing processes, tolerance stack-ups, and reliability risks throughout the product lifecycle. Evaluate PCNs, EOLs, material/process changes, and engineering changes for technical and product impact. Lead technical problem-solving and failure analysis for component-related issues, partnering with Supplier Quality on supplier corrective actions. Support R&D, Manufacturing, and Contract Manufacturers in resolving component-related design, assembly, manufacturability, and production issues. Establish and maintain mechanical component engineering standards, qualification requirements, and technical documentation.

Required Qualifications

Bachelor’s degree in Mechanical Engineering, Materials Engineering, Manufacturing Engineering, or a related discipline. Five or more years of experience in mechanical component engineering, mechanical design, supplier quality, manufacturing engineering, or a related field. Strong knowledge of mechanical components, materials, and manufacturing processes used in precision electromechanical, electronic, or optical products. Experience interpreting mechanical drawings, specifications, material standards, and inspection reports. Strong understanding of manufacturing processes such as machining, stamping, molding, casting, extrusion, plating, surface finishing, and mechanical assembly. Working knowledge of tolerance analysis, dimensional control, metrology, and root-cause analysis. Experience reviewing material certifications, RoHS/REACH declarations, certificates of compliance, and supplier quality documentation. Ability to evaluate mechanical and material risks associated with environmental exposure, vibration, shock, thermal cycling, corrosion, and long-term operation. Strong analytical, problem-solving, communication, and technical-writing skills. Ability to manage multiple technical activities and work effectively with global suppliers and cross-functional engineering teams.

Preferred Qualifications

Experience with optical communication, telecom, datacom, photonics, electronics, aerospace, medical, or other high-reliability products. Experience with precision mechanical components, tight-tolerance assemblies, and mechanical interfaces used in optical or electronic products. Experience with 3D CAD tools such as Creo, SolidWorks, CATIA, or equivalent. Experience with GD&T standards such as ASME Y14.5. Experience with dimensional and mechanical characterization methods, including CMM, surface-finish measurement, and coating/thickness measurement. Experience with component lifecycle and engineering change management, including PCNs, EOLs, engineering changes, and alternate-component qualification. Familiarity with applicable mechanical, material, reliability, and industry standards. Experience with thermal management, thermal interface materials, and thermal-mechanical design is a plus.

Key Competencies

Mechanical engineering judgment Materials and manufacturing-process knowledge Component reliability and technical risk assessment Dimensional and tolerance analysis Data-driven root-cause problem solving Cross-functional and supplier technical collaboration Ability to influence without direct authority

Pay Range: P60-USA-1 :$112,050.00 - $160,050.00 Disclaimer: Final base salary for the successful candidate will depend on multiple factors, including but not limited to, job location, where work will be performed, qualifications, work history and relevant experience. With our continual goal of making Lumentum a best place to work for our employees, we strive to offer employees competitive total compensation packages, which may include annual bonus, commission for certain sales roles, equity, and health and welfare benefits. 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.