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.
As a Principal Electrical Engineer, you will be responsible for the electrical design, development and qualification of new solid-state components and systems. The candidate must be self-motivated and comfortable navigating uncertainties and customer driven design requirements. The role requires an understanding of the protection legacy that Littelfuse has established and the ability to collaborate across the business to draw upon that strength. Join the team at Littelfuse that is developing new, self-contained smart components and systems that deliver protection and control functionality to electrical systems.
About the Job:
- Develop and qualify electrical designs for solid-state control and protection components and systems. Establish design details, including stress and tolerance analysis, schematic capture, circuit simulation, and PCB layout.
- Serve as a technical leader and mentor to the broader development team. Establish technical excellence by example and through teaching of less experienced team members.
- Evaluate technical feasibility and select suitable suppliers for components and processes.
- Lead testing of AC (single phase and three phase) and DC protection systems.
- Engage with contract manufacturers or in house manufacturing to implement design, prepare design documentation, and evaluate production processes to assure components meet performance, reliability and cost targets.
- Support occasional travel as required to evaluate suppliers and support production ramp up.
- Develop and execute protection system component and system qualification plans
- Provide regular project updates as part of the overall project planning and execution.
About you:
- MS in Electrical Engineering or BS in Electrical Engineering with equivalent experience.
- 15+ years of hands-on experience designing analog and digital circuits, including microcontrollers, microprocessors and mixed-signal design.
- Expert knowledge of current sensing technologies, tradeoffs and practical implementation considerations in support of protection and metering requirements.
- Proficiency in managing systems with embedded firmware or programmable logic, ensuring optimal performance and reliability.
- Experience with meeting best practices for component placement, including circuit card stack up design considerations.
- Knowledge of power electronics topologies, operation and design considerations.
- Knowledge of product compliance process, including testing and designing for EMC and product safety approvals.
- Demonstrate an entrepreneurial spirit, willingness to experiment and be able to manage ambiguity.
Littelfuse strives to empower associate growth and development in a culture of ongoing collaboration and respect for diverse global perspectives and expertise.
Our Core Values – We Care, We Succeed With Our Customers, We Own The Outcome – support us in our mission to improve the safety, reliability, and performance of our customers’ products that use electrical energy.
We are an equal-opportunity employer that takes pride in giving every associate the means and courage to make a difference – everywhere, every day.
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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
- MS in Electrical Engineering, or BS in Electrical Engineering with equivalent experience
- 15+ years of hands-on experience designing analog and digital circuits
- Experience with microcontrollers, microprocessors, and mixed-signal design
- Expert knowledge of current sensing technologies and implementation considerations
- Proficiency managing systems with embedded firmware or programmable logic
- Experience with component placement and circuit card stack-up design
- Knowledge of power electronics topologies, operation, and design
- Knowledge of product compliance processes, EMC, and product safety approvals
- Ability to manage ambiguity and demonstrate an entrepreneurial, experimental approach
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
