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Littelfuse

Product Reliability Engineer – f/m/d

Littelfuse

Product Reliability Engineer at Littelfuse focusing on product reliability across the lifecycle. Defining strategies and managing qualification concepts to meet customer and industry requirements.

Posted 6/12/2026full-timeRemote • 🇩🇪 GermanyMid-LevelSeniorWebsite

ATS Keywords

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Hard Skills
reliability strategiesqualification conceptstest requirementslifetime modelsacceleration modelsfailure mechanismsdegradation behaviorreliability testing principlesrisk mitigationqualification KPIs
Soft Skills
strategic working stylestructured working stylemulti-taskingprioritizationhigh-pressure environmentcommunication skills
Certifications & Qualifications
degree in Electrical Engineeringdegree in Physicsdegree in Materials Science
Industry Keywords
JEDECIECAECQsemiconductor reliabilityelectronic component reliabilityproduct lifecyclechange managementcontinuous improvementproject managementcustomer quality

About the role

Key responsibilities & impact
  • 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

Requirements

What you’ll need
  • 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
  • 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

Benefits

Comp & perks
  • Competitive compensation and benefits
  • Performance-based incentives
  • Flexible work arrangements
  • Development opportunities