ON Semiconductor

Package Development Engineer

ON Semiconductor • $150K — $249K *
San Jose, CA 95123In-Person
Manufacturing & Automotive
8 - 10 years of experience
Today
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Job Overview by Ladders

Qualifications

  • 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.
  • Experience in advanced substrate design and manufacturing.
  • Proficient in flip-chip assembly and package integration.
  • Capability in thermal management and reliability engineering.

Responsibilities

  • Lead package development from concept through production release.
  • Define package architecture and materials selection.
  • Develop and optimize substrate designs, including stack-up and routing.
  • Drive flip-chip integration and assembly process optimization.
  • Develop passive component integration strategies.
  • Perform electrical, thermal, and mechanical performance optimization.
  • Collaborate with OSATs and suppliers on process development and yield improvement.
  • Support NPI execution and transition to high-volume manufacturing.

Benefits

  • Comprehensive health benefits package.
  • Retirement savings plan.
  • Paid time off and holiday pay.
  • Opportunities for professional development and training.
Full Job Description
Job Description

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.

Responsibilities

  • 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.


Qualifications

  • 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.


onsemi is excited to share the base salary range for this position is $150,000.00 to $249,780.00. The Range 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 ON Semiconductor

The Farichild Semiconductor founders was called "Traitorous eight". - Robert Noyce (Intel Founder) - Gordon Moore (Intel Founder) - Eugene Kleiner (KPCB Founder) - Jay Last - Victor Grinich - Sheldon Roberts - Julius Blank - Jean Hoerni

ON Semiconductor Careers

Join the dynamic team at ON Semiconductor, a premier global provider of high-performance silicon solutions for energy-efficient electronics. This is an unparalleled opportunity to advance your career with a company at the forefront of technological innovation, environmental sustainability, and progressive employment practices.

Work You’ll Do

At ON Semiconductor, you will be part of a culture that thrives on diversity, innovation, and leadership. Our company is committed to nurturing talent and encouraging growth through comprehensive professional development and diversity training. As a member of our team, you will contribute to projects that shape the future of technology, working alongside over 30,000 dedicated professionals worldwide.

Explore Job Opportunities

Whether you're a seasoned professional looking for your next challenge or a recent graduate eager to put your degree to work, ON Semiconductor offers a range of career paths. Our job opportunities span from engineering to marketing, each position offering a chance to innovate and lead in your field.

Internship Programs

Kickstart your career with an ON Semiconductor internship. Our internships provide invaluable hands-on experience, networking opportunities, and insights into our day-to-day operations. You’ll work closely with experienced professionals and gain the skills necessary to excel in the semiconductor industry.

Professional Growth and Benefits

ON Semiconductor is deeply invested in the professional growth of its employees. We offer robust training programs, leadership development opportunities, and a supportive network to help you reach your career goals. Our benefits package is designed to support the diverse needs of our workforce, including health, wellness, and continuous learning.

Join Our Team

We are hiring! Search open positions that match your skills and interests on our Careers page. We look for passionate, curious, creative, and solution-driven team players. Prepare your resume, sharpen your interview skills, and get ready to make a significant impact at ON Semiconductor.

Stay Connected

Keep up to date with the latest at ON Semiconductor by reading our Careers Blog. Here, you’ll find career tips, insider perspectives, and industry-leading insights you can put to use today—all from the people who work here.

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Personalize your subscription to receive job alerts, latest news, and insider tips tailored to your preferences. Discover the exciting and rewarding opportunities that await at ON Semiconductor. Join ON Semiconductor today and be part of a team that values innovation, leadership, and a commitment to diversity and professional growth. Explore how you can contribute to our mission of creating a smarter, greener, more connected world.
Learn more about ON Semiconductor
Size
30,000 employees
Market Cap
$26.4 billion
Industry
Manufacturing & Automotive
Net Income
$234.2 million
Founded
1999
5 Year Trend
+11.5%
Revenue
$5.2 billion
NASDAQ
ON
* Ladders Estimates

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