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.

We are looking for an experienced Senior Electronics Engineer to lead the
design, development, testing, and support of advanced electronic systems from
concept through to production. Based in Cádiz, Spain, you will be part of the
R&D; development team, working on electronic protection and safety products, with
a strong focus on Residual Current Devices (RCDs),



ground-fault detection
devices, and related protective functions used in low-voltage electrical
systems. This role offers the opportunity to contribute across the full product
lifecycle—from concept and design through prototyping, validation,
certification, and production support—while collaborating with multidisciplinary
engineering teams.

ABOUT THE JOB:

ELECTRONICS DESIGN & DEVELOPMENT

* Design, develop, modify, and evaluate electronic systems and subsystems for
protection and safety products

* Define design approaches, architectures, and key parameters to meet
performance and compliance requirements

CIRCUIT DESIGN

* Create detailed schematics, perform circuit analysis, and run simulations to
validate designs

* Apply strong expertise in both analog and mixed-signal circuit design

PCB DEVELOPMENT

* Lead and/or oversee PCB design activities, including signal integrity, power
distribution, and t

📌 Sr. Electrical/Electronic Engineer (Cádiz)
🏢 Littelfuse
📍 Cádiz