Assembly Process Engineer

Posted Yesterday
Be an Early Applicant
2 Locations
In-Office
Mid level
Automotive • Cloud • Energy
The Role
Develops and optimizes semiconductor assembly processes including wafer dicing, chip packaging, bonding, molding, BGA packaging, and final testing. Troubleshoots defects, improves yield and quality using SPC and failure analysis, conducts DOE experiments, evaluates materials and tooling, supports new package launches, and creates SOPs and material specifications. Collaborates with technicians, test engineers, and R&D teams while leading and motivating team members.
Summary Generated by Built In

Job Summary:

An assembly process engineer develops, monitors, and optimizes post-wafer manufacturing operations—such as wafer dicing, chip packaging, wire bonding, and final testing. They troubleshoot assembly line defects, improve production yield, and test new packaging materials to ensure high reliability and low cost.

 

Responsibilities
  • Process Optimization: Fine-tune back-end operations like sawing, flip-chip bonding, die bond, wirebond, molding, and ball grid array (BGA) packaging.
  • Yield & Quality Control: Track defect rates using Statistical Process Control (SPC) and failure analysis tools to fix line issues.
  • Experimentation (DOE): Run Design of Experiments to test new materials, tooling changes, or recipe updates.
  • Cross-Functional Support: Work with equipment technicians, test engineers, and R&D teams to launch new package designs.
  • Documentation: Write clear standard operating procedures (SOPs) and material specifications.
     
Qualifications

Requirements:

·         University/College and above in related field. 

·         3+ years of manufacturing experience at Engineer level. 

·         Good knowledge in interpersonal communication. 

·         Able to lead and motivate subordinates to achieve organizational goals.   

·         Able to plan and execute plans effectively. 

·         Possesses sound knowledge on relevant company policies and regulations. 

·         Effective team building. 

·         Possess effective analytical and decision-making skills. 

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:

https://www.onsemi.com/careers/career-benefits

About the Team
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

  • University or college degree and above in a related field
  • 3+ years of manufacturing experience at the engineer level
  • Good interpersonal communication skills
  • Ability to lead and motivate subordinates to achieve organizational goals
  • Ability to plan and execute plans effectively
  • Knowledge of relevant company policies and regulations
  • Effective team-building skills
  • Effective analytical and decision-making 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.

  • 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.
  • 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.
  • 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
HQ: Phoenix, AZ
11,712 Employees

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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