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 decision gates and reviews, providing reliability recommendations
Ownership of reliability KPIs at product and program level, including definition, monitoring, and continuous improvement (e.g. qualification robustness, failure rates, lifecycle performance)
Responsibility for robust reliability strategies and programs across the product lifecycle, including new product development, change management, and ongoing reliability monitoring
Consolidation and communication of reliability findings and contribution to continuous improvement
Degree in Electrical Engineering, Physics, Materials Science or Comparable
Minimum of 10 years of experience as Product Reliability Engineer in the high-power semiconductor Industry
Strong experience in semiconductor or electronic component reliability
Deep understanding of semiconductor failure mechanisms, degradation behavior, and reliability testing principles
Strategic and structured working style
Ability to multi-task, prioritize and work in a high-pressure environment
Fluent verbal and written communication skills in English
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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.
Skills Required
- Degree in Electrical Engineering, Physics, Materials Science or comparable
- Strong experience in semiconductor or electronic component reliability
- Deep understanding of semiconductor failure mechanisms, degradation behavior, and reliability testing principles
- Knowledge of JEDEC, IEC, and AECQ industry standards and global test specifications
- Experience developing and applying lifetime and acceleration models (wear-out mechanisms, extrapolation)
- Ability to define and manage qualification plans, test scope, stress conditions, and sample sizing
- Experience evaluating reliability test results, failure analysis, and risk mitigation for qualification failures
- Fluent verbal and written communication skills in English
- Strategic, structured working style and ability to multi-task and prioritize under pressure
Littelfuse Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Littelfuse and has not been reviewed or approved by Littelfuse.
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Retirement Support — A 401(k) plan includes a company match with an additional annual contribution, with plan details also referenced in corporate filings. This structure indicates dependable retirement support across U.S. roles.
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Wellbeing & Lifestyle Benefits — A Lifestyle Spending Account and tuition reimbursement, plus wellness resources and an Employee Assistance Program, expand the package beyond core insurance. Development programs such as Lean Six Sigma certifications reinforce a holistic rewards mix.
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Healthcare Strength — Core medical, dental, and vision coverage are standard and described as solid and workable. Coverage breadth is supported globally with EAP access.
Littelfuse Insights
What We Do
Littelfuse is an industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 15 countries, and with 17,000 global associates, we partner with customers to design and deliver innovative, reliable solutions. Serving over 100,000 end customers, our products are found in a variety of industrial, transportation, and electronics end markets—everywhere, every day. Headquartered in Chicago, Illinois, United States, Littelfuse was founded in 1927. View our broad and deep product portfolio: https://www.littelfuse.com/ Littelfuse has had a long-standing commitment to ensuring a diversified workforce through equal employment opportunities. Maintaining a diversified workforce is critical to the success of our organization. Each associate receives equal employment opportunity regardless of race, color, religion, creed, sex (with or without sexual conduct), marital status, national origin, citizenship, ancestry, age, physical or mental disability, medical condition, order of protection status, military status, sexual orientation, gender expression or identity, genetic information, unfavorable discharge from military service, and any other protected class under federal, state or local law
