Process Engineer – Leadframe Process & Tooling Expert

ST; Muar; On-site; MYR 150,000 - 190,000; Full time

Job summary

STMicroelectronics in Muar, Malaysia, is seeking a Process Engineer – Leadframe Process & Tooling Expert to own and optimize Lead Lock Tape and Lead Trimming operations. You will drive process robustness, yield, and tool readiness while collaborating with Production, Quality, Equipment, Maintenance, and Tooling teams on high-volume semiconductor assembly.

The role requires a Bachelor's in a relevant field and at least 5 years in semiconductor process engineering, with hands-on leadframe

Qualifications

• Bachelor’s degree or equivalent in a technical field.
• Minimum 5 years in semiconductor assembly/manufacturing process engineering.
• Hands-on leadframe experience with Lead Lock Tape or Lead Trimming.

Responsibilities

• Own and sustain leadframe assembly processes (Lead Lock Tape, Lead Trimming).
• Define and optimize process parameters for stability and yield.
• Support tooling design, qualification, modification, and troubleshooting.
• Lead problem solving using DOE, SPC, FMEA, and 8D methods.
• Drive cost reduction, cycle time improvements, and productivity gains.
• Collaborate with cross-functional teams and train operators.

Skills

Leadframe process engineering

Lead Lock Tape

Lead Trimming

Tooling support

Process optimization

DOE

SPC

FMEA

8D

Excel

Minitab

Lean Manufacturing

Six Sigma

Education

Bachelor’s degree in Mechanical Engineering

Manufacturing Engineering

Industrial Engineering

Materials Science

Tools

Minitab

Excel

Job description

# Process Engineer – Leadframe Process & Tooling ExpertMuar, MalaysiaID: 13609---## Job description**OUR STORY****At STMicroelectronics, we believe in the power of technology to drive innovation and make a positive impact on people, businesses, and society. As a global semiconductor company, our advanced technologies and chips form the hidden foundation of the world we live in today.****When you join ST, you will be part of a global business with more than 122 nationalities, present in 40 countries, and comprising over 49,000 diverse and dedicated creators and makers of technology around the world.****Developing technologies takes more than talent: it takes amazing people who understand collaboration and respect. People with passion and the desire to disrupt the status quo, drive innovation, and unlock their own potential.****Embark on a journey with us, where you can innovate for a future that we want to make smarter and greener, in a responsible and sustainable way. Our technology starts with you.****YOUR ROLE**The Process Engineer – Leadframe Process & Tooling Expert is responsible for the development, optimization, and sustaining of assembly leadframe processes, with primary ownership of **Lead Lock Tape** and **Lead Trimming** operations. The role ensures process robustness, tooling readiness, yield improvement, equipment performance, and continuous manufacturing excellence in a high-volume semiconductor assembly environment* Own and sustain **Lead Lock Tape** and **Lead Trimming** assembly processes.* Define, optimize, and troubleshoot process parameters to ensure stable output, high yield, and product quality.* Support **tooling design, qualification, modification, and troubleshooting** for leadframe and assembly operations.* Investigate process and tooling issues, identify root causes, and implement effective corrective and preventive actions.* Lead process improvement activities using structured problem-solving and data-driven methods.* Support **new product introduction (NPI)**, process transfer, qualification, and ramp-up activities.* Collaborate with Production, Quality, Equipment, Maintenance, and Tooling teams to resolve technical issues.* Conduct process capability analysis, DOE, SPC, and yield loss studies.* Drive scrap reduction, cycle time improvement, productivity enhancement, and cost reduction initiatives.* Maintain and update process documentation such as SOPs, control plans, specifications, and troubleshooting guides.* Support vendor coordination for tooling development, repair, and technical improvement.* Ensure compliance with safety, quality, and manufacturing standards.* Train and coach operators, technicians, and junior engineers on process best practices**YOUR SKILLS & EXPERIENCES*** Bachelor’s degree in Mechanical Engineering, Manufacturing Engineering, Industrial Engineering, Materials Science, or a related technical field.* Minimum 5 years of experience in semiconductor assembly or manufacturing process engineering, preferably in high-volume manufacturing.* Strong hands-on experience in leadframe process engineering, with proven experience in Lead Lock Tape and/or Lead Trimming processes.* Solid background in tooling support, qualification, troubleshooting, and process optimization.* Experience supporting semiconductor back-end assembly operations and exposure to leadframe stamping, plating, trimming, and forming processes is preferred.* Strong knowledge of process control and problem-solving tools such as SPC, DOE, FMEA, 8D, 5 Why, and Fishbone Analysis.* Ability to analyze data and drive decisions using tools such as Excel, Minitab, or equivalent.* Familiarity with Lean Manufacturing and Six Sigma methodologies is preferred.* Experience in customer issue resolution and reliability investigations is an advantage.* Strong analytical and problem-solving skills, with a hands-on technical mindset and ownership attitude.* Good communication and cross-functional coordination skills.* Ability to work independently, manage multiple priorities, and maintain strong attention to detail.* Continuous improvement mindset with strong process discipline.* Willing to work in a manufacturing/assembly environment with frequent presence on the production floor and occasional support outside normal working hours as needed.ST is proud to be one of the 17 companies certified as a 2026 Global Top Employer and the first and only semiconductor company to achieve this distinction. ST was recognized in this ranking thanks to its continuous improvement approach and stands out particularly in the areas of ethics & integrity, purpose & values, organization & change, business strategy, and performance.At ST, we endeavor to foster a diverse and inclusive workplace, and we do not tolerate discrimination. We aim to recruit and retain a diverse workforce that reflects the societies around us. We strive for equity in career development, career opportunities, and equal remuneration. We encourage candidates who may not meet every single requirement to apply, as we appreciate diverse perspectives and provide opportunities for growth and learning. Diversity, equity, and inclusion (DEI) is woven into our company culture.To discover more, visit st.com/careers.