Senior Process Engineer

Littelfuse is one of America’s Best Mid-Sized Companies (Forbes) and has been named one of the Best Places to Work in Illinois (Best Companies Group) for 11 consecutive years. With its global headquarters in Chicago, Illinois, USA, Littelfuse is a leading, global manufacturer of electronic components serving more than 100,000 end customers across industrial, transportation, and electronics end markets. We have more than 17,000 employees with operations in 15 countries. From semiconductors to sensors… switches to fuses and more… we produce billions of electronic components that help our customers empower a sustainable, connected, and safer world. In 2021, Littelfuse had net sales of $2.1 billion.

We are looking for a Senior Process Engineer to lead process design, improvement, and qualification for the semiconductor product line. This role supports yield improvement, quality, and cost initiatives while ensuring compliance with standards and procedures.

About The Job

• Lead process design, process characterization, and line qualification for semiconductor products.
• Drive yield improvement, quality enhancement, and cost reduction projects, including Lean Six Sigma initiatives.
• Monitor and control lead time performance across the production line.
• Analyze process and equipment data, identify trends, and take corrective actions for out-of-control conditions.
• Conduct studies on equipment and process improvements for better performance and feasibility.
• Create, update, and maintain procedural documents and work instructions.
• Perform root cause analysis and implement corrective and preventive actions.
• Lead qualification activities for new projects, materials, equipment, or methods.
• Evaluate new methodologies, materials, or equipment and support their introduction.
• Ensure process compliance with documented procedures and company policies.
• Support quality-related actions, issues, and improvements.
  
  
  
  

About You

• Graduate of EE, ECE, ME, Chemical Engineering, Material Science, or Physics.
• At least 7 years of experience in the semiconductor industry.
• Minimum 2 years of hands-on experience in both Front-of-Line (FOL) and End-of-Line (EOL) processes (e.g., DACA, Wire Bonding, Molding, DTFS).
• Strong background in process engineering, root cause analysis, and qualification activities.
• Experience in leading or supporting Lean Six Sigma or similar improvement projects.
• Able to write clear work instructions and technical documentation.
• Strong analytical and problem-solving skills.
• Comfortable working cross-functionally and supporting quality actions and compliance.
  
  
  
  

Littelfuse strives to empower associate growth and development in a culture of ongoing collaboration and respect for diverse global perspectives and expertise. Our Core Values – Respect, Customer Focus, Agility, and Collaboration – support us on our mission to improve the safety, reliability, efficiency, and performance of our customers’ products and systems.

We are an equal opportunity employer that takes pride in giving every associate the means and courage to make a difference – everywhere, every day.