The Staff NPI Assembly Engineer is responsible for leading New Product Introduction (NPI) activities related to semiconductor assembly processes from development through high-volume manufacturing. This role serves as the technical owner for assembly process qualification, process optimization, risk assessment, and production readiness, ensuring new products meet quality, cost, reliability, and manufacturing requirements.
The engineer collaborates closely with Product Engineering, Process Engineering, Quality, Equipment Engineering, Supply Chain, and Customers to ensure successful product transfers, process characterization, and ramp-up activities.
Process Development & Qualification
- Define assembly manufacturing flow, process parameters, and control plans.
- Lead process characterization studies and DOE (Design of Experiments).
- Establish process windows and optimize manufacturing parameters.
- Perform process qualifications according to internal and customer requirements.
- Drive equipment and process readiness for new package introductions.
Assembly Manufacturing Support
- Provide technical leadership for assembly operations including:
- Die Attach
- Wire Bond
- Wafer Saw
- Molding
- Trim & Form
- Singulation
- Marking
- Packing
- Troubleshoot process issues during pilot builds and production ramp-up.
- Drive yield improvement and cycle time reduction initiatives.
Reliability & Quality
- Lead failure analysis and root cause investigations for NPI-related issues.
- Support reliability qualification activities such as:
- HTOL
- TC
- HAST
- MSL
- Autoclave
- Ensure compliance with automotive, industrial, medical, or consumer quality requirements where applicable.
- Drive corrective and preventive actions (CAPA).
Documentation & Change Management
- Create and maintain:
- Process Flow
- FMEA
- Control Plan
- Work Instructions
- Qualification Reports
- Engineering Specifications
- Support Engineering Change Orders (ECO) and Product Change Notifications (PCN).
- Ensure product documentation is complete before production release.
Continuous Improvement
- Drive yield enhancement and cost reduction initiatives.
- Apply statistical analysis and SPC methodologies for process improvement.
- Implement Lean Manufacturing and Six Sigma practices.
- Benchmark best practices and introduce innovative assembly technologies.
Stakeholder & Customer Interface
- Act as technical focal point for customers during NPI programs.
- Present qualification status, technical risks, and project updates to management and customers.
- Work closely with suppliers on material and equipment qualifications.
Education
- Bachelor's Degree in:
- Electrical Engineering
- Electronics Engineering
- Mechanical Engineering
- Manufacturing Engineering
- Materials Engineering
- Semiconductor-related disciplines
Experience
- Minimum 5-8 years of experience in semiconductor assembly manufacturing or NPI engineering.
- Experience leading new product introductions and product transfers.
- Strong experience in assembly process development and qualification.
- Experience in high-volume semiconductor manufacturing environments.
Technical Knowledge
- Strong knowledge of semiconductor assembly processes.
- Understanding of:
- Statistical Process Control (SPC)
- Design of Experiments (DOE)
- FMEA
- MSA
- 8D Problem Solving
- Root Cause Analysis
- Reliability Testing
- Process Qualification Methodologies
- Familiarity with automotive quality requirements such as IATF 16949 and APQP is an advantage.
Technical Skills
- Data analysis using Minitab, JMP, Excel, or equivalent tools.
- Yield improvement and defect reduction methodologies.
- Equipment qualification and process validation.
- Strong understanding of semiconductor package technologies.
More details about our company benefits can be found here:
https://www.onsemi.com/careers/career-benefits
Skills Required
- Bachelor’s degree in electrical, electronics, mechanical, manufacturing, materials engineering, or a semiconductor-related discipline
- 5–8 years of experience in semiconductor assembly manufacturing or NPI engineering
- Experience leading new product introductions and product transfers
- Strong experience in assembly process development and qualification
- Experience in high-volume semiconductor manufacturing environments
- Strong knowledge of semiconductor assembly processes and package technologies
- Knowledge of SPC, DOE, FMEA, MSA, 8D problem solving, root cause analysis, reliability testing, and process qualification methodologies
- Experience with data analysis using Minitab, JMP, Excel, or equivalent tools
- Experience with yield improvement, defect reduction, equipment qualification, and process validation
- Familiarity with IATF 16949 and APQP
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.
onsemi Insights
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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