Senior Engineer, Materials Quality Engineering - San Luis Obispo, CA, United States
$114,000 - $125,000 USD yearly
Originally posted 13 August 2026 by the employer.
Work on Ultra High Purity gas purification systems.
About the role
As a Senior Engineer, Materials Quality Engineering, you will deliver consistent high-quality raw materials to manufacturing operations. This role focuses on the Ultra High Purity gas purification systems business.
What you'll do
- Resolve incoming fabricated metal and electronic part quality issues by driving supplier quality investigations and implementing corrective actions.
- Lead projects to evaluate the technical risk of supplier notified changes (management of change) and execute implementation.
- Drive raw material supplier improvement using supplier assessment/audits, scorecards, measurement systems analysis, control plan development, SPC, FMEA, and continuous improvement projects.
- Develop and maintain part specifications, certificate of analysis acceptance criteria, analytical test methods, and quality documentation.
- Proactively assess and plan risk mitigation strategies (business continuity planning) with procurement.
- Contribute to new product development by evaluating new materials' capability and working closely with the business unit.
What you'll need
- BS Degree in Chemical, Mechanical, Electrical, or Materials Engineering.
- Minimum 3 years’ experience in chemical or materials production environment with core competency in manufacturing, quality, and/or production management.
- Ability to travel up to 20% domestically or internationally.
- Ability to lift up to 50 lbs.
- Skill in concise and clear verbal and written communications and experience with front line supplier and customer interactions.
Nice to have
- Six sigma knowledge.
- Experience within semiconductor industry.
Skills: materials quality, supplier quality, corrective actions, SPC, FMEA
This role has been open 65 days — well above the 52-day median for Manufacturing/Industrial Engineering roles.
Manufacturing/Industrial Engineering · Manufacturing Equipment
|
Open roles in category
2523
|
Median days open
52 d
|
Median salary
$96k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Entegris | All employers we track in this specialty (2523 roles · 80 employers) |
|---|---|---|
| Open roles in this specialty | 225 | 2523 |
| Open roles in the wider Process, Fab & Equipment family | 380 | 9862 · 109 employers |
| Median days open | 37 d | 52 d (−15 d vs this employer) |
| Median salary (USD postings) | — | $96k |
Skills observed across this category: materials quality, supplier quality, corrective actions, SPC, FMEA
Who's hiring in this category
- Micron Technology · 398 open roles · median 78 d
- Applied Materials · 253 open roles · median 38 d
- Entegris (this employer) · 228 open roles · median 37 d
- Lam Research · 108 open roles · median 59 d
- Infineon Technologies · 90 open roles · median 57 d
- STMicroelectronics · 69 open roles · median 53 d
How we counted: 2523 open Manufacturing/Industrial Engineering (Manufacturing Equipment) roles from 80 employers tracked in the SemiconductorJobs index, counted 17 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.