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 Senior Supplier Development Engineer, you will be responsible for ensuring supplier quality, capability, and continuous improvement across Littelfuse's supply base. In this role, you will act as the key interface between suppliers and internal stakeholders, driving supplier performance, resolving quality issues, and assessing supplier readiness to support business growth. You will leverage your expertise in supplier quality management, audits, and process improvement to develop strong supplier partnerships and ensure consistent delivery of high-quality products and materials.
About the Job:
- Lead supplier quality activities and drive resolution of supplier-related quality issues impacting production and customer requirements.
- Evaluate supplier capabilities, manufacturing processes, and quality systems to determine their ability to meet Littelfuse standards and expectations.
- Conduct supplier qualification, process, and quality system audits and provide risk assessments and recommendations.
- Drive supplier development initiatives and execute improvement plans for underperforming suppliers.
- Utilize quality methodologies and tools such as 8D, PFMEA, Control Plans, SPC, and root cause analysis to improve supplier performance.
- Partner closely with sourcing, engineering, operations, and manufacturing teams to support supplier-related activities and business objectives.
- Support new product introduction activities by ensuring quality is designed into supplier processes from the early stages of development.
- Lead continuous improvement projects utilizing Lean, Six Sigma, and other quality improvement methodologies.
- Monitor supplier performance metrics and implement corrective and preventive actions as required.
- Support international supplier visits and audits as needed.
About You:
- Bachelor's degree in Engineering or a related technical discipline.
- 6+ years of experience in Supplier Quality, Supplier Development, Manufacturing Engineering, Procurement Engineering, or a related function.
- Strong experience conducting supplier qualification, process, and quality system audits.
- Deep understanding of supplier quality management systems and manufacturing processes.
- Hands-on experience applying quality tools and methodologies, including 8D, PFMEA, Control Plans, SPC, and root cause analysis.
- Proven ability to independently assess supplier capabilities, identify risks, and drive supplier improvement initiatives.
- Ability to influence suppliers and internal stakeholders while working with minimal supervision.
- Strong project management, problem-solving, and communication skills.
- Experience supporting electronic component, semiconductor, or industrial manufacturing suppliers is preferred.
- Lean Six Sigma Green Belt or Black Belt certification is a plus.
- Fluent English communication skills and willingness to travel internationally as required.
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
- Bachelor's degree in Engineering or a related technical discipline
- 6+ years of experience in Supplier Quality, Supplier Development, Manufacturing Engineering, Procurement Engineering, or a related function
- Experience conducting supplier qualification, process, and quality system audits
- Strong understanding of supplier quality management systems and manufacturing processes
- Hands-on experience with 8D, PFMEA, Control Plans, SPC, and root cause analysis
- Ability to independently assess supplier capabilities, identify risks, and drive supplier improvement initiatives
- Ability to influence suppliers and internal stakeholders while working with minimal supervision
- Strong project management, problem-solving, and communication skills
- Experience supporting electronic component, semiconductor, or industrial manufacturing suppliers
- Lean Six Sigma Green Belt or Black Belt certification
- Fluent English communication skills
- Willingness to travel internationally as required
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
