Product Design Engineer

Sorry, this job was removed at 10:15 p.m. (CST) on Monday, Jan 05, 2026
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Hazelwood, MO
In-Office
64K-95K Annually
Appliances • Manufacturing
The Role

Littelfuse is one of America’s Best Mid-Sized Companies (Forbes) and has been named one of the Best Places to Work in Illinois (Best Companies Group) for 11 consecutive years. With its global headquarters in Chicago, Illinois, USA, Littelfuse is a leading, global manufacturer of electronic components serving more than 100,000 end customers across industrial, transportation, and electronics end markets. We have more than 17,000 employees with operations in 15 countries. From semiconductors to sensors… switches to fuses and more… we produce billions of electronic components that help our customers empower a sustainable, connected, and safer world. In 2021, Littelfuse had net sales of $2.1 billion.

The Product Design Engineer will be responsible for the research and development of transformers, contactors, and transfer switches.

Responsibilities:

  • Research and Development of transformers, contactors, and transfer switches. 50%
  • Evaluate existing Product lines and identify design modifications for Cost Reduction and/or Performance Improvement 30%
  • Participate in the introduction of New Product designs into manufacture 15%
  • Interface with Customers to define applications and product requirements and identify product design opportunities and solutions 5%

About You:

  • Bachelor’s degree in electrical engineering (preferred with a power background) or Mechanical Engineering
  • 1-2 years of experience in electrical-mechanical design (designing transformers, contactors, relays – nice to have)
  • Knowledge of third-party agency approval processes and relevant standards (UL, CSA, CCC, etc.)
  • Project Management skills, working cross functionally
  • Strong analytical and problem-solving skills
  • Strong communication skills
  • Familiarity with assembly manufacturing processes (winding coils, TIG welding – nice to have)
  • Experience with CAD (Inventor or SolidWorks)
  • High attention to detail
     

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 — Customer Focus, Teamwork, Results-Driven, Integrity, and Innovation — support us on our mission to improve the safety, reliability, efficiency, and performance of our customers' products and systems.

Salary Range:

$64,200 - $95,460

The salary offered will vary depending on your location, job-related skills, knowledge, and experience.

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The Company
Chicago, Illinois
4,597 Employees
Year Founded: 1927

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

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