Working at Littelfuse | Glassdoor

Littelfuse Overview

Chicago, IL
10000+ employees
Company - Public (LFUS)
$1 to $2 billion (USD) per year
Littelfuse products are vital components in virtually every market that uses electrical energy, from consumer electronics to automobiles, commercial vehicles and industrial equipment.

Our history of innovation, proven technical expertise and the ... Read more

Mission: Drive double-digit growth by accelerating organic growth and investing in strategic acquisitions.

Our Purpose: To improve the safety, reliability and performance of our customers’ products and systems.

Company Updates

  • For the fourth consecutive year, we have been named one of the Best Places to Work in Illinois! Read more:

    Littelfuse Selected as One of the Best Places to Work in Illinois

    CHICAGO, April 27, 2015 - Littelfuse, Inc., the global leader in circuit protection, today announced it has been selected as one of 17 finalists in the 2015 "Best Places to Work in Illinois" Large Employer Category. This is the fourth consecutive year Littelfuse has been recognized in the awards program.

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Littelfuse Video

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Littelfuse – Why Work For Us?


90 Years of Innovation and Engineering Expertise

Founded in 1927, Littelfuse has advanced to become the No. 1 circuit protection brand in the world with well-established and growing platforms in power control and sensing technologies. Today, we offer the industry’s most diverse and extensive portfolio of products – fuses, semiconductors, polymers, ceramics, relays, sensors and more – serving the electronics, automotive and industrial markets. Each is manufactured to exacting standards of quality and backed by an unwavering commitment to technical support and customer service.

We are a global, $1 billion company with more than 10,000 employees in over 40 locations throughout the Americas, Europe and Asia. Through design, engineering and technical expertise, we partner with customers to solve complex problems and deliver business results wherever electrical energy is used.

Our global vision, global team and global leadership are focused on three categories: Protect, Control and Sense. Collectively, they provide the strategic foundation to deliver innovations that align with global megatrends.

  • Safety
  • Connectivity – Internet of Things (IoT)
  • Energy Efficiency

Wherever electrical energy is used, Littelfuse is there.


Careers at Littelfuse

Littelfuse began as a fuse manufacturer in 1927 with a singular focus on developing and manufacturing devices that protect electronics. Throughout our history we have delivered inspired solutions to companies all over the world. In fact, in 1964 the Gemini "Man in Space" Program honored us with the Gemini II launch vehicle team flag award for being a critical parts supplier of a life-saving component - our MICRO fuse.

Today we are the global leader in circuit protection - delivering the right answers through a powerhouse of applied expertise, strong relationships and the most extensive product portfolio in the industry and offices in over 28 countries. Our continuing commitment is to work with design engineers to improve the safety, reliability and performance of thousands of products- many that you use every day.

Industry expertise, innovation and strong customer relationships are the qualities that have helped us grow to become a $1.1 billion company with offices in over 28 countries and the #1 circuit protection brand in the world. As a result, we are always looking for people with specific qualities to uphold our reputation of global leadership. If you are committed, attentive, responsive, candid, driven and passionate, we welcome you to join us as we continue to raise the standard of how the circuit protection industry defines the leader.

Always Looking for the Best and the Brightest

When you work for Littelfuse, you work for a global leader in circuit protection comprised of a team of experts all sharing one common goal - to provide the right answers. We achieve that by hiring only the most talented people - people who bring a passionate drive and a unique expertise to the table. At Littelfuse you're not just a number - you are an individual - with the power to make a difference in an exciting and challenging industry.

We Believe in the Power of Diversity

With gifted individuals we build diverse teams - diverse in culture, scope and specialty. Our teams are responsible for working alongside some of the largest OEMs, CEMs and ODMs in the world - applying expertise by developing, designing, testing, manufacturing or selling - circuit protection solutions across numerous industries.

We Support Your Development

As a Littelfuse employee you get many opportunities to shine. We continually encourage you to develop yourself professionally and to expand your knowledge through cross-functional collaboration and training experiences.

Have You Got What It Takes?

Are you someone who can join us in taking the company to the next level? Are you excited about being part of a visionary future? Take a look at the job opportunities waiting for you at Littelfuse.

Littelfuse Reviews

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Littelfuse President and Chief Executive Officer Dave Heinzmann
Dave Heinzmann
81 Ratings
  • "Littelfuse Review"

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    • Work/Life Balance
    • Culture & Values
    • Career Opportunities
    • Comp & Benefits
    • Senior Management
    Current Employee - Field Applications Engineer in Boulder, CO
    Current Employee - Field Applications Engineer in Boulder, CO
    Positive Outlook
    Approves of CEO

    I have been working at Littelfuse full-time (More than a year)


    Great product offering, great support from management.


    Not the best intra-company communication between employees.

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Littelfuse Interviews



Getting an Interview

Getting an Interview





    Technical Writer Interview

    Anonymous Interview Candidate
    No Offer
    Positive Experience
    Average Interview


    I applied online. The process took 4 weeks. I interviewed at Littelfuse.


    Very good interview process. Life experience and example based questions which really help determine what kind of person you are and how you handle things overall. All the people I interviewed with were very kind and welcoming and it seemed like they were invested in finding the right fit for the job.

    Interview Questions

    • Give an example of a time where things didn't go as well as you expected. Explain the situation, how it played out and what the outcome was.   Answer Question
    • Give an example of when you had to decide between planning something out or jumping in to take action. Why did you go that route and what was the outcome?   Answer Question
See All 29 Interviews

Littelfuse Awards & Accolades

  • Best Places to Work in Illinois, Best Companies Group, 2014
  • Best Places to Work in Illinois (Large), The Daily Herald Business Ledger, 2013
  • Product of the Year, Silver Award, Plant Engineering, 2013
  • America's 200 Best Small Companies, Forbes, 2008
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