Product Reliability Engineer - Littelfuse

Littelfuse (NASDAQ: LFUS) is a diversified industrial technology manufacturing company shaping solutions for the safe and efficient transfer of electrical energy. Headquartered in Chicago, Illinois, USA, we serve customers across industrial, transportation, and electronics markets worldwide. With approximately 16,000 employees we design and manufacture innovative technologies that support electrification, energy efficiency, and advanced automation. Our global reach is matched by a culture that empowers innovation and long-term growth. Guided by our principles We Care, We Succeed With Our Customers, and We Own the Outcome, we work collaboratively, think boldly, and deliver solutions that move industries forward.

Our Product Reliability Engineer (f/m/d) has a strong focus on product-related reliability across the full product lifecycle. In this Position you will be responsible for defining and managing qualification concepts and product-specific reliability requirements, ensuring that application conditions, customer expectations, and industry standards are translated into robust and technically sound qualification strategies.

The role focuses on product performance, failure mechanisms, and lifetime behavior and is closely aligned with R&D, Product Engineering, and Customer Quality. It includes the ownership of qualification plans and the interpretation of reliability results, while ensuring alignment with global test standards and execution capabilities.

About the Position:

Definition of global reliability strategies, qualification concepts, and methodologies including test scope, stress conditions, and sample sizes required to demonstrate product reliability

Definition and ownership of product-specific qualification plans based on application requirements, customer expectations, and industry standards such as JEDEC, IEC, and AECQ

Definition of product-specific test requirements and justified deviations based on global test specifications and mission profiles

Evaluation and interpretation of reliability test results in relation to product performance, application conditions, and customer expectations, including structured disposition and risk mitigation approach for qualification failures

Analysis and understanding of failure mechanisms, including degradation behavior, physics-of-failure, and correlation to product design and stress conditions

Development and application of lifetime and acceleration models, including wear-out mechanisms and extrapolation approaches

Definition of reliability concepts, decision logic, and product-specific best practices based on product requirements and global standards

Alignment of qualification requirements with lab capabilities, including feasibility, capacity, cost, and timeline

Close collaboration with Project Management, R&D, Product Engineering, Customer Quality, and Global Quality Labs

Participation in project d