ENGR PRIN, PROCESS; MFG (Backgrind & Back Metal)

ON Semiconductor Malaysia Sdn. Bhd.; Seremban; On-site; MYR 280,000 - 520,000; Full time

Job summary

onsemi Malaysia is seeking a Senior Principal Process Engineer to lead post‑Fab wafer backgrind, thinning, and metallization, ensuring robust manufacturability and high yield. You will drive AI‑enabled analytics, provide cross‑functional guidance, and influence executive decisions to optimize cost and performance.

You will collaborate across Fab, Assembly, Test, Quality, IT, and external suppliers to deploy data‑driven solutions, mentor teams, and deliver high‑impact programs aligned with

Qualifications

• Bachelor's degree in Engineering or related discipline required.
• Master's/PhD is advantageous.
• Minimum 10 years in wafer processing or post‑Fab manufacturing.
• Experience applying data analytics or AI tools in semiconductor work.
• Deep expertise in backgrind, thinning, metallization, and post‑Fab integration.
• Strong communication and executive‑level presentation skills.

Responsibilities

• Lead wafer backgrind, thinning, and metallization processes for die assembly and final test.
• Provide deep technical guidance across fabrication, assembly, test, and reliability qualification.
• Drive yield learning, defect reduction, and root‑cause investigations with advanced analytics.
• Lead post‑Fab development, optimization, and sustainment for manufacturability and cost competitiveness.
• Apply AI‑assisted analytics to identify trends and opportunities in high‑volume manufacturing.
• Collaborate with Fab, Assembly, Test, Quality, Equipment, IT, and suppliers on data‑driven solutions.
• Own and execute high‑impact projects aligned with business objectives and timelines.
• Anticipate risks and define mitigation using predictive insights where applicable.
• Communicate complex technical data to senior management and executives.
• Prepare technically robust analytics reports translating process insights into business impact.

Skills

Wafer backgrind

Metallization

Data analytics

AI analytics

Cross‑functional leadership

Process optimization

Executive communication

Education

Bachelor's degree in Engineering

Master's or PhD (advantage)

Tools

Statistical tools

ML/AI tooling

Job description

ENGR PRIN, PROCESS; MFG (Backgrind & Back Metal)

The Principal Process Engineer is a senior technical leader within the Malaysia IL Wafer Process Engineering organization, responsible for providing high‑level, self‑driven project leadership and deep subject matter expertise in post‑Fab wafer processing. This role focuses on wafer backgrind, thinning, and metallization processes critical to successful die assembly, test, and long‑term product reliability. The incumbent leverages strong technical depth, data‑driven methodologies, and emerging AI‑enabled analytics to optimize manufacturing performance, influence executive‑level decisions, and drive continuous improvement across the end‑to‑end semiconductor manufacturing flow.

Key responsibilities

Serve as the principal technical expert for wafer backgrind, thinning, and metallization processes in preparation for die assembly and final test.

Provide deep technical guidance across wafer fabrication, back‑end assembly and packaging, final electrical testing, and reliability qualification.

Support yield learning, defect reduction, and root cause investigations using semiconductor failure analysis techniques, advanced data analytics, and pattern recognition approaches.

Lead post‑Fab process development, optimization, and sustainment to ensure manufacturability, robustness, yield, and cost competitiveness.

Apply AI‑assisted data analysis, statistical learning, and automation tools to identify process trends, anomalies, and improvement opportunities in high‑volume manufacturing environments.

Partner with Fab, Assembly, Test, Quality, Equipment, IT, and external suppliers to deploy data‑driven and AI‑enabled solutions that enhance process capability, cycle time, and operational efficiency.

Own and execute high‑impact, self‑directed technical and manufacturing projects, ensuring alignment with business objectives, timelines, and quality standards.

Anticipate technical risks, define mitigation strategies, and leverage predictive insights where applicable to proactively address manufacturing challenges.

Communicate complex technical and data‑driven insights effectively to senior management and executive stakeholders, supporting informed strategic and operational decisions.

Prepare and deliver high‑quality technical presentations and analytics‑based reports, translating advanced process and AI insights into clear business impact.

Qualifications

Bachelor's degree in Engineering, Materials Science, Physics, Data‑enabled Engineering, or a related discipline is required.

Post‑graduate degree (Master's or PhD) is an advantage.

Minimum 10 years of relevant semiconductor or academic experience in wafer processing, post‑Fab manufacturing, assembly/test integration, or related research roles.

Demonstrated experience applying data analytics, statistical methods, or AI‑assisted tools in semiconductor manufacturing, process engineering, or reliability analysis is strongly preferred.

Deep technical expertise in wafer backgrind, thinning, metallization, and post‑Fab process integration.

Strong working knowledge of AI‑enabled manufacturing analytics, including trend detection, process monitoring, yield learning, or decision‑support tools (coding expertise not mandatory).

Advanced data analysis, problem‑solving, and executive‑level presentation skills.

Excellent verbal and written communication skills, with the ability to influence technical and non‑technical stakeholders.

Proven ability to work independently while driving results through cross‑functional and global collaboration.

Unlock job insights

Hirer responsiveness Salary match Number of applicants

Your application will include the following questions:

• Which of the following statements best describes your right to work in Malaysia?
• What's your expected monthly basic salary?
• Which of the following types of qualifications do you have?
• How many years' experience do you have as a Wafer Fabrication Specialist?

Consumer Electronics Manufacturing More than 10,000 employees

Company Profile

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

onsemi operates a responsive, reliable supply chain and quality programs, and robust ESG programs. Headquartered in Scottsdale, Arizona, the company has a global network of manufacturing facilities, sales and marketing offices and engineering centres in its key markets.

Global Operations

While the company’s corporate headquarters are located in Scottsdale, Arizona, U.S., it operates a worldwide network of manufacturing facilities, sales offices and design centers in key markets throughout North America, the Asia Pacific regions and Europe.

Our Vision

Drive technology breakthroughs that deliver on the promise of a sustainable future.

Our Mission

We will push innovation to create intelligent power and sensing technologies that solve the most challenging customer problems. Our employees are inspired each day to increase stakeholder value through high‑quality and high‑value products and services.

To report a concern, please contact the anonymous onsemi Helpline at 1800 819976.

Company Profile

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

onsemi operates a responsive, reliable supply chain and quality programs, and robust ESG programs. Headquartered in Scottsdale, Arizona, the company has a global network of manufacturing facilities, sales and marketing offices and engineering centres in its key markets.

Global Operations

While the company’s corporate headquarters are located in Scottsdale, Arizona, U.S., it operates a worldwide network of manufacturing facilities, sales offices and design centers in key markets throughout North America, the Asia Pacific regions and Europe.

Our Vision

Drive technology breakthroughs that deliver on the promise of a sustainable future.

Our Mission

We will push innovation to create intelligent power and sensing technologies that solve the most challenging customer problems. Our employees are inspired each day to increase stakeholder value through high‑quality and high‑value products and services.

To report a concern, please contact the anonymous onsemi Helpline at 1800 819976.