Staff Mechanical Component Engineer - USA - CA - San Jose (Ridder), United States
$112,050 - $160,050 USD yearly
Originally posted 6 October 2026 by the employer.
About the role
This role is responsible for the selection, qualification, approval, lifecycle management, and reliability oversight of mechanical components used in optical, telecom, datacom, and electronic products.
What you'll do
- 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.
- 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.
- Assess mechanical component performance, materials, manufacturing processes, tolerance stack-ups, and reliability risks throughout the product lifecycle.
- Lead technical problem-solving and failure analysis for component-related issues, partnering with Supplier Quality on supplier corrective actions.
What you'll need
- 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, or manufacturing engineering.
- 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.
Nice to have
- Experience with optical communication, telecom, datacom, photonics, electronics, aerospace, or medical 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, or CATIA.
- 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.
This role has been open 3 days — well below the 50-day median for Hardware Systems Engineering roles.
Hardware Systems Engineering · AI ML Hardware
|
Open roles in category
939
|
Median days open
50 d
|
Median salary
$157k
|
See the full market breakdown ▾Category comparison, and who else is hiring
| Metric | Lumentum | All employers we track in this specialty (939 roles · 103 employers) |
|---|---|---|
| Open roles in this specialty | 10 | 939 |
| Open roles in the wider Software, Firmware & Systems family | 34 | 6047 · 146 employers |
| Median days open | 11 d | 50 d (−39 d vs this employer) |
| Median salary (USD postings) | — | $157k |
Who's hiring in this category
- Intel Corporation · 70 open roles · median 27 d
- KLA Corporation · 57 open roles · median 41 d
- NVIDIA · 53 open roles · median 63 d
- Teradyne · 47 open roles · median 21 d
- Applied Materials · 46 open roles · median 58 d
- AMD · 44 open roles · median 61 d
How we counted: 939 open Hardware Systems Engineering (AI ML Hardware) roles from 103 employers tracked in the SemiconductorJobs index, counted 9 Oct 2026. Specialty figures count only roles carrying this exact specialty label, so an employer's related work in neighbouring specialties is not included there — it is counted in the wider Software, Firmware & Systems family row. Figures refresh nightly.