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 general 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.

As part of the R&D; engineering team located in Cádiz, the Test Engineer will contribute to the verification and validation of products developed by the team, supporting activities from early prototypes through pilot builds. The role requires strong hands-on electronics skills, confidence with test equipment,



and a working knowledge of software development or test scripting used to support efficient testing and reporting.
This engineer will work closely with Senior Test Engineers and collaborate across electrical, firmware, mechanical, and test disciplines to deliver robust, well-documented validation evidence.

About the job:
- EVT / Development Support: Assist the R&D; group during Engineering Verification Testing (EVT) phases and contribute to debugging and issue reproduction on prototypes.
- DVT / Validation Execution: Perform Design Validation Testing (DVT) for new products at validation stages, ensuring results are captured clearly and repeatably.
- Test Rigs & Fixtures: Develop and improve test rigs and fixtures used for EVT and DVT in-house testing, including basic electrical/electronic circuitry design where required.
- Prototype Assembly & Bring-up: Assist R&D; engineers with prototype assembly, bring-up support, and practical troubleshooting.
- Stand

📌 Test Engineer (Cádiz)
🏢 Littelfuse
📍 Cádiz