Senior Manufacturing Engineer - Milpitas-CA, United States
$92,000 - $138,000 USD yearly
Originally posted 1 June 2026 by the employer.
About the role
The Senior Manufacturing Engineer is a hands-on technical individual contributor responsible for establishing manufacturing readiness for complex optical and metrology systems. This role ensures precision assemblies, optical alignment, and integrated subsystems transition successfully from development into stable, scalable production.
What you'll do
- Support manufacturing readiness for precision optical and metrology systems from early development through production ramp. - Partner closely with Optical, Mechanical, Electrical, and Systems Engineering to ensure designs are manufacturable and serviceable. - Define and validate assembly, alignment, calibration, and test processes for optical plate and system-level builds. - Own pilot and engineering builds, including build planning, execution, and issue resolution. - Drive risk assessments, tolerance reviews, and process capability improvements for precision assemblies. - Establish standard work, tooling concepts, fixtures, and inspection methodologies.
What you'll need
- Bachelor’s degree in Mechanical, Manufacturing, Optical Engineering, or related field. - 5+ years of manufacturing engineering experience supporting new product introductions. - Proven track record of launching complex systems into production. - Ability to travel internationally to customer sites at least 20% of the time, with additional travel as business needs require.
Skills: NPI, optical systems, metrology systems, assembly, process capability
This role has been open 89 days — well above the 53-day median for Manufacturing/Industrial Engineering roles.
Manufacturing/Industrial Engineering · Manufacturing Equipment
|
Open roles in category
2523
|
Median days open
53 d
|
Median salary
$97k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Onto Innovation | All employers we track in this specialty (2523 roles · 80 employers) |
|---|---|---|
| Open roles in this specialty | 6 | 2523 |
| Open roles in the wider Process, Fab & Equipment family | 108 | 9979 · 109 employers |
| Median days open | 89 d | 53 d (+36 d vs this employer) |
| Median salary (USD postings) | — | $97k |
Skills observed across this category: NPI, optical systems, metrology systems, assembly, process capability
Who's hiring in this category
- Micron Technology · 402 open roles · median 78 d
- Applied Materials · 251 open roles · median 40 d
- Entegris · 225 open roles · median 39 d
- Lam Research · 108 open roles · median 61 d
- Infineon Technologies · 90 open roles · median 59 d
- STMicroelectronics · 69 open roles · median 55 d
How we counted: 2523 open Manufacturing/Industrial Engineering (Manufacturing Equipment) roles from 80 employers tracked in the SemiconductorJobs index, counted 19 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 Process, Fab & Equipment family row. Figures refresh nightly.