Onsemi logo

Principal Reliability Engineer

onsemi

On-site
San Jose, CA
Full-time
Principal
8+ yrs
Salary not listedPosted 3h ago

Real job — pulled straight from onsemi’s careers page · Verified September 22, 2026 · No reposts.

Job description

onsemi is hiring a Principal Reliability Engineer — a full-time, based in San Jose, CA role. Apply directly on onsemi's careers page below.

Principal Reliability Engineer

Location: San Jose, CA, United States

Job Summary:

We are now looking for a Principal Reliability Engineer. The position is an individual contributor role, working on NPD Reliability Engineering & qualifications, and MP change qualifications as needed.

Job Description & Responsibilities:

  • For NPD projects, the engineer is to work with Design, Marketing, Technology, PI, PE, TE, and PKG to develop and execute the DfR, reliability strategy and qualification execution. Participate weekly NPD meetings with cross functional teams.
  • For new product development, the reliability engineer is coordinating with Design team for integrating lessons learn into Design-for-Reliability BKMs
  • To build in reliability & quality into NPD products, the reliability engineer gets involved in technology development & package development, design of experiments (DOE), material and process characterization & validation & reliability evaluation & process and product qualifications. Results from these DOEs & process characterization & reliability evaluation will be employed to improve the quality and reliability of products. 
  • The engineer works closely with PE and TE to review the NPD test program development to ensure Test Quality in NPD process with various defect screen strategies
  • Participate in Product Validation Process and provide engineering inputs to improve NPD Quality & Reliability
  • Provide engineering inputs and reliability risk assessment to NPD cross functional teams to ensure reliable and robust products are designed and developed through NPD flow.
  • Lead the NPD cross-functional teams for the Qualification Readiness Checks
  • In case of failures happening during Qual stress tests, the engineer needs to perform 1st level reject disposition teamwork with Product Engineers for FA and root cause analysis and request corrective or preventive actions if applicable.
  • Be responsible for working with PE on drift analysis of the Qualification tests, and electrical data analysis of the qualification rejects
  • The job requires the engineer to participate in assessment of Qual Material Readiness and Test program readiness required to release qualification materials into qualification process. The engineer should write clear and complete Qual readiness reports and risk assessments, and reliability qualification reports.

Qualifications:

  • A minimum of a bachelor’s degree in an Engineering discipline; M.S. degree or Ph.D. in electrical engineering is preferred.
  • Minimum 8 years of Semiconductor IC Reliability, Rel Engineering or Product Engineering experience required
  • Experienced in reliability stress methodologies, reliability acceleration models, reliability hardware design, and Product Qualification flow/tests; Familiar with industrial standards (AEC Q100, JEDEC, IPC) for Qualification & PCN process.
  • Knowledgeable and experienced with CMOS devices physics, Device & Circuit Reliability, Design for Reliability, and familiar with reliability statistics & models.
  • Knowledgeable and experienced with CMOS package, assembly process, semiconductor package failure modes;
  • Provide engineering inputs to NPD cross functional teams to ensure reliable and robust products.
  • Responsible for the successful completion of reliability deliverables in the company’s Product Development Process
  • Experience with Product or Test Engineering, familiar with drift analysis of Qualification samples
  • Effective engineering analytical and problem-solving skills; familiar with FA & RCCA flows
  • Effective oral and written communication skills; Effective meeting and presentation skills.
  • Effective analytical and problem-solving skills. Demonstrated ability to commit to assigned tasks.

About Us

onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a focus on automotive and industrial end-markets, the company is accelerating change in megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. With a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world’s most complex challenges and leads the way in creating a safer, cleaner, and smarter world.

More details about our company benefits can be found here:

https://www.onsemi.com/careers/career-benefits

About the Organization

We are committed to sourcing, attracting, and hiring high-performance innovators, while providing all candidates a positive recruitment experience that builds our brand as a great place to work.


onsemi is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, ethnicity, color, religion, ancestry, national origin, age, marital status, pregnancy, sex, sexual orientation, physical or mental disability, medical condition, genetic information, military or veteran status, gender identity, gender expression, or any other protected category under applicable federal, state, or local laws.

If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may contact Talent.acquisition@onsemi.com for assistance.

Get Site Reliability Engineer jobs like this

New roles from thousands of companies land hourly, straight from their careers pages. Get the freshest matches by email so you never miss one.

Email me new jobs
Lightspeed Commerce logo

Staff Site Reliability Engineer

Auckland
✓ From careers page· 2h ago
Lightspeed Commerce logo

Manager, Site Reliability Engineering

Montreal, QC
✓ From careers page· 2h ago
Lightspeed Commerce logo

Manager, Site Reliability Engineering

$150k–$185kToronto, ON
✓ From careers page· 2h ago
Lightspeed Commerce logo

Site Reliability Engineering Manager

Montreal, QC
✓ From careers page· 2h ago

Frequently asked questions

What is the seniority level for Principal Reliability Engineer at onsemi?

Principal Reliability Engineer at onsemi is a Principal level position.

How do I apply for Principal Reliability Engineer at onsemi?

You can view the full description and apply for Principal Reliability Engineer at onsemi on EchoJobs: https://echojobs.io/job/onsemi-principal-reliability-engineer-ijslk.