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 Reliability Lab Engineer is embedded in the local laboratory environment, executing qualification and reliability test requests while developing technical expertise in reliability testing methods, equipment, standards, and failure mechanisms. The role combines extensive hands-on testing activities with increasing technical responsibility for troubleshooting, data review, standards understanding, and execution of complex test requests. The role operates within the Reliability Testing Chapter and collaborates closely with the local laboratory organization and relevant cross-functional stakeholders.

About the Position:

• Execute complete qualification and reliability test requests independently

• Prepare, set up, start, monitor, and complete complex reliability tests

• Perform advanced measurements and data collection activities

• Plan resources, schedules, equipment allocation, and execution activities for assigned test requests

• Review test requirements and ensure proper execution

• Create, modify, and maintain measurement programs

• Review and approve measurement programs created by technicians

• Support troubleshooting of test setups, equipment, and execution-related issues

• Develop understanding of reliability standards, qualification requirements, and stress methods

• Develop understanding of reliability-related failure mechanisms

• Participate in investigations related to test deviations and abnormal behavior

• Support technical discussions with requestors and laboratory stakeholders

• Contribute to continuous improvement of laboratory execution practices

​About You:

• Bachelor's degree in Electrical Engineering, Physics, Materials Science, or comparable

• 1–3+ years of experience in reliability testing, semiconductor testing, quality, manufacturing engineering, or laboratory operations preferred

• Understanding of reliability testing principles and qualification methodologies

• Understanding of laboratory measurement systems and execution practices

• Willingness to develop expertise in reliability standards and failure mechanisms

• Strong analytical and organizational skills

• Good English skills

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At Littelfuse, we support employee growth and development. Guided by our culture principles, our teams work together to deliver value for customers and make a positive impact in the communities where we operate. We are an equal opportunity employer committed to fostering an inclusive workplace where everyone has the opportunity to grow and contribute. We offer competitive compensation and benefits, performance-based incentives, flexible work arrangements, and development opportunities.