PCM Test 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.

Littelfuse, a global leader in power semiconductor products, is seeking a PCM Test Engineer to join our team at the wafer fabrication facility in Dortmund. As a PCM Test Engineer, you will play a key role in the development, maintenance, and improvement of parametric test (PCM) processes for our power semiconductor products.

• Develop and maintain PCM test programs for power semiconductor devices.
• Evaluate PCM test results for ASICs and power semiconductor wafers.
• Disposition wafer lots with PCM parameter deviations according to acceptance criteria.
• Organize and lead cross-functional Material Review Board (MRB) meetings.
• Analyze PCM test programs and processes to resolve PCM yield issues.
• Drive improvement projects with process and quality engineers when wafer process enhancements are needed.
• Support the definition and development of new PCM test concepts and test structures in collaboration with process development and product engineering teams.
• Investigate tester hardware and test process issues related to PCM.

• Bachelor’s degree in Science or Engineering, or equivalent technical experience.
• 2–3 years’ experience in PCM or electrical testing of semiconductor products (experience with power products is a plus).
• Hands-on experience with specialized test equipment; PCM test experience preferred.
• Familiarity with high voltage or high-power testing is an advantage.
• Background in PCM yield analysis and development of yield improvement plans.
• Knowledge of Lean or Six Sigma methodologies is an advantage.
• Proficient with test software development tools.
• Experience with problem-solving tools (e.g., 8D, DMAIC, 5 Whys);Green Belt certification desirable.
• Proficiency in German and English, written and spoken.
• Strong team player with excellent communication skills.
• Comfortable working with international teams and stakeholders.
• Hands-on, proactive, and creative problem-solver.
• Highly motivated and driven to complete tasks independently.

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.