Sr Engineer, Quality Assurance Engineering - San Luis Obispo, CA, United States
$95,000 - $110,000 USD yearly
Originally posted 25 September 2026 by the employer.
About the role
This role involves supporting manufacturing and operational excellence across Advanced Purity Solutions (APS) gas purification products and processes.
What you'll do
- Lead cross-functional teams in resolving manufacturing, process, and product quality issues using structured problem-solving methodologies such as 8D, 5-Why, and Fishbone Analysis.
- Lead CAPA activities, including root cause verification, corrective action implementation, effectiveness reviews, and closure management.
- Own and improve plant quality notification, nonconformance, MRB, and defect tracking processes.
- Develop and maintain quality dashboards, scorecards, and reporting systems to monitor manufacturing performance, yield, scrap, rework, defect trends, and process capability.
- Serve as a quality representative for Material Review Board (MRB) activities.
- Support New Product Introduction (NPI) readiness activities, including review of Control Plans, Process FMEAs, process validations, and inspection strategies.
What you'll need
- Bachelor of Science degree in Mechanical Engineering, Electrical Engineering, Manufacturing Engineering, Semiconductor Engineering, Quality Engineering, or a related technical field.
- 4-6 years of professional experience in engineering, manufacturing, quality, or a related technical discipline, preferably within a manufacturing environment.
- Proven experience leading root cause investigations and driving effective corrective and preventive actions.
- Strong experience with quality tools, methodologies, and standards including FMEA, Control Plans, SPC, MSA, CAPA, Lean, Six Sigma, and ISO-based quality systems.
- Strong understanding of manufacturing processes, process controls, product lifecycle management, and quality management systems.
- Experience working with nonconformance management, MRB processes, defect reduction initiatives, and process improvement activities.
- Competent Microsoft Office and ERP system skills (SAP strongly preferred) and familiarity with data visualization and analysis tools such as Power BI.
- Six Sigma Green Belt or equivalent certification.
Nice to have
- Master's degree in Engineering, Quality Management, Manufacturing Engineering, or a related technical field.
- ASQ certifications such as CQE, CQIA, CSSBB, CMQ/OE, or equivalent credentials.
- Semiconductor industry experience in manufacturing, quality, process engineering, equipment engineering, or materials engineering.
- Experience leading plant quality initiatives involving CAPA systems, nonconformance reduction, SPC deployment, process capability improvement, or audit readiness.
- Experience with quality management systems such as ISO 9001, AS9100, or similar regulated standards.
- Demonstrated success leading cross-functional continuous improvement projects that improve manufacturing performance, quality, yield, or operational efficiency.
- Experience mentoring engineers and influencing organizational quality culture through technical leadership.
Skills: quality assurance, manufacturing quality, process control, CAPA, 8D, Six Sigma
This role has been open 1 day — well below the 51-day median for Reliability Engineering roles.
Reliability Engineering · Reliability Engineering
|
Open roles in category
436
|
Median days open
51 d
|
Median salary
$158k
|
See the full market breakdown ▾Category comparison, skills in demand, and who else is hiring
| Metric | Entegris | All employers we track in this specialty (436 roles · 70 employers) |
|---|---|---|
| Open roles in this specialty | 11 | 436 |
| Open roles in the wider Process, Fab & Equipment family | 379 | 9460 · 108 employers |
| Median days open | 58 d | 51 d (+7 d vs this employer) |
| Median salary (USD postings) | — | $158k |
Skills observed across this category: quality assurance, manufacturing quality, process control, CAPA, 8D, Six Sigma
Who's hiring in this category
- Micron Technology · 73 open roles · median 143 d
- Infineon Technologies · 34 open roles · median 32 d
- Analog Devices · 22 open roles · median 46 d
- onsemi · 22 open roles · median 71 d
- Renesas Electronics · 19 open roles · median 65 d
- Applied Materials · 18 open roles · median 55 d
How we counted: 436 open Reliability Engineering (Reliability Engineering) roles from 70 employers tracked in the SemiconductorJobs index, counted 27 Sept 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.