Principal Reliability Engineer

Onsemi; San Jose (CA); Hybrid; USD 131,000 - 223,000; Full time

Job summary

onsemi in San Jose, CA is hiring a Principal Reliability Engineer. This individual contributor will lead reliability activities for NPD projects, coordinate with Design, Marketing, Technology, PI, PE, TE and PKG teams, and drive DfR strategy and qualification execution.

You will perform DOE, material and process characterization, write qualification reports, assess risks, and ensure Test Quality in the NPD process. A strong background in CMOS reliability and industry standards is required.

Qualifications

• Bachelor’s degree in an engineering discipline; MS/PhD preferred.
• Minimum 8 years in semiconductor IC reliability or related fields.
• Experience with reliability stress methods and product qualification.
• Familiar with industry standards (AEC Q100, JEDEC, IPC).
• Knowledgeable in CMOS device physics and reliability statistics.
• Experience with CMOS packaging and semiconductor packaging failure modes.
• Strong problem solving and communication skills.

Responsibilities

• Develop and execute DfR strategies and qualification plans for NPD.
• Coordinate with cross-functional teams to ensure design-for-reliability.
• Lead qualification readiness checks for NPD projects.
• Analyze qualification test data and perform root cause analysis.
• Prepare reliability qualification reports and risk assessments.

Skills

Reliability engineering

NPD collaboration

DOE

Drift analysis

Statistical analysis

Education

Bachelor’s degree in Engineering

MS or PhD in Electrical Engineering

Job description

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 strategyand 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.

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 strategyand 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

Requirements:

• 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.

onsemi is excited to share the base salary range for this position is $131,100.00 to $222,755.00 exclusive of fringe benefits or potential bonuses. The final pay rate for the successful candidate will depend on geographic location, skills, education, experience, and/or consideration of internal equity of our current team members. We also offer a competitive benefits package. https://www.onsemi.com/site/pdf/Benefits-Summary-USA.pdf

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:

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. onsemiis 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 [e-mail] for assistance.

Job Info

• Job Identification 2506583


• Job Category Engineering, Quality & Reliability


• Posting Date 09/16/2026, 03:31 PM


• Degree Level Masters


• Job Schedule Full timeJob Shift Day


• Locations 150 Rose Orchard Way, San Jose, CA, 95134, US

150 Rose Orchard Way, San Jose, CA, 95134, US