Principal Reliability Engineer

San Jose, CAStaff / PrincipalFull-TimeQuality & Reliability$131,100 - $222,755Posted September 16, 2026

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.

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

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.

Apply now