The Role
Develop and execute thermo-mechanical simulations for semiconductor packages, power modules, and electronic assemblies. Analyze thermal performance, stress, warpage, deformation, and reliability risks using FEA. Support material and package selection, failure analysis, experimental correlation, and design optimization. Collaborate with design, process, reliability, and manufacturing teams; improve modeling methodologies, prepare technical reports, and contribute to advanced packaging and power semiconductor technology roadmaps.
Summary Generated by Built In
We are seeking a highly motivated Thermo-Mechanical Simulation Engineer to develop and execute simulation methodologies for semiconductor packages and power modules. The role will focus on thermal, mechanical, and reliability analysis to support new product development, package design optimization, and technology innovation. The successful candidate will work closely with design, package development, process, reliability, and manufacturing teams to accelerate product development and improve product performance.
Responsibilities- Perform thermo-mechanical simulations and analyses of semiconductor packages, power modules, and electronic assemblies using finite element analysis (FEA) tools.
- Develop simulation models to evaluate thermal performance, stress, warpage, deformation, and reliability risks during product development.
- Support package and material selection by assessing mechanical integrity and thermal behavior under various operating conditions.
- Conduct root-cause investigations and failure analysis through simulation-driven approaches.
- Collaborate with cross-functional teams including package design, product engineering, process development, reliability, and manufacturing to optimize product performance.
- Develop and improve simulation methodologies, modeling techniques, and correlation practices with experimental data.
- Generate technical reports, present simulation findings, and provide recommendations for design improvements.
- Support technology roadmaps and innovation projects related to advanced packaging, power semiconductor devices, and new materials.
Preferred Qualifications
- Bachelor's, Master's, or PhD in Mechanical Engineering, Materials Engineering, Physics, or a related discipline.
- Good experience with FEA tools such as ANSYS Mechanical, ANSYS Icepak, Abaqus, COMSOL, or equivalent.
- Knowledge of semiconductor packaging, power modules, thermal management, reliability, and material characterization.
- Experience correlating simulation results with laboratory measurements and reliability testing.
- Strong analytical, problem-solving, and communication skills.
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
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.
Skills Required
- Bachelor’s, Master’s, or PhD in Mechanical Engineering, Materials Engineering, Physics, or a related discipline
- Experience with FEA tools such as ANSYS Mechanical, ANSYS Icepak, Abaqus, COMSOL, or equivalent
- Knowledge of semiconductor packaging, power modules, thermal management, reliability, and material characterization
- Experience correlating simulation results with laboratory measurements and reliability testing
- Strong analytical, problem-solving, and communication skills
onsemi Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about onsemi and has not been reviewed or approved by onsemi.
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Retirement Support — Retirement programs are highlighted by a U.S. 401(k) with a 100% match on the first 4% and immediate vesting. International plans such as Ireland’s defined contribution scheme and Germany’s company-funded pension elements reinforce long-term savings.
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Leave & Time Off Breadth — Time-off policies include ten paid holidays, flexible vacation for exempt employees, and three to five weeks of vacation for non-exempt staff as tenure grows, alongside sick time accrual. Paid leaves span parental, bereavement, jury duty, and military service, with Europe locations offering additional statutory and seniority-based days.
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Parental & Family Support — Family supports include eight weeks of paid parental leave, company-sponsored backup care for children, adults, and pets, and up to $15,000 in adoption assistance. Regional provisions such as Switzerland’s child allowance and accessible EAP counseling show added attention to household needs.
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The Company
What We Do
We are building a better future through intelligent technology. For over 60 years, onsemi and its ancestors have been leading the world’s greatest technology advancements. 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.
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