Package Development Engineer
Marketing & Communications, Product · Full-time
Taiwan
Posted on Nov 3, 2026
Lead the development and qualification of advanced multi-Phase Power Module, DrMOS, and Smart Power Stage (SPS) packages. Responsible for package architecture, substrate design, flip-chip integration, passive component assembly, reliability qualification, and manufacturing readiness. Collaborate closely with Product Engineering, Silicon Design, Reliability, Operations, OSATs, and suppliers to deliver high-performance, cost-effective power packaging solutions.
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. |
- BS/MS in Electrical Engineering, Materials Science, Mechanical Engineering, or related field.
- 10+ years of semiconductor package development experience.
- Strong expertise in:
- Multi-Phase Power Modules, DrMOS, and SPS packaging
- Advanced substrate design and manufacturing
- Flip-chip assembly and package integration
- Passive component assembly and optimization
- Thermal management and reliability engineering
- High-volume manufacturing and NPI processes
- Experience working with OSATs, substrate suppliers, and material vendors.
- Strong communication skills, with the ability to effectively collaborate with Business Units, cross-functional teams, internal and external manufacturing partners, and customers.
- Proficiency in engineering tools and methodologies, including ACAD, 8D, SPC, DFMEA, DOE.
- Proven ability to lead projects across organizations and cultures in a fast-paced environment.
- Lead package development from concept through production release.
- Define package architecture, materials selection, and assembly process flow.
- Develop and optimize substrate designs including stack-up, routing, power planes, via structures, and thermal features.
- Drive flip-chip integration, bump design, underfill selection, and assembly process optimization.
- Develop passive component integration strategies for capacitors, resistors, and magnetic components.
- Perform electrical, thermal, and mechanical performance optimization.
- Lead package qualification and reliability testing per JEDEC and IPC standards.
- Conduct root cause analysis and implement corrective actions for package failures.
- Collaborate with OSATs and suppliers on DFM, process development, yield improvement, and cost reduction.
- Support NPI execution and transfer technologies into high-volume manufacturing.