Summer 2026
AI Engineer Intern
Posted on 4/29/2026
Littelfuse
5,001-10,000 employees
Industrial technology manufacturer for electrical safety
No salary listed
Chicago, IL, USA
In Person
Bachelor's, Master's
 Software Engineering (1) |
|---|
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- Currently pursuing a Bachelor's or Master's degree in Computer Science, AI/ML, Engineering, or a closely related field (rising juniors, seniors, or recent graduates preferred).
- Strong proficiency in Python 3.11+ with hands-on experience
- Familiarity with Git, Docker, and Linux/WSL environments.
- Solid understanding of LLMs, prompt engineering, embeddings, and vector databases.
- Excellent problem-solving abilities, documentation skills, and verbal/written communication.
- Proven ability to collaborate effectively in cross-functional teams and with diverse stakeholders.
- Contribute to new features, user interface/experience enhancements, integrations, and tool/function-calling capabilities under team guidance.
- Help design, implement, and optimize end-to-end Retrieval-Augmented Generation pipelines, including data ingestion, chunking, embedding generation, vector storage, retrieval, and post-processing.
- Evaluate and benchmark system performance, mitigate hallucinations, and document resulting improvements.
- Monitor emerging developments in LLMs, RAG systems, agentic workflows, and AI tools.
- Conduct experiments, analyze results, document findings, and deliver weekly insights and recommendations to the team.
- Prior hands-on experience with local LLMs, RAG systems, or open-source AI tooling.
- Experience with FastAPI, PostgreSQL, or cloud platforms (Azure, GCP, AWS).
- Prior research experience, including reading academic papers and conducting experiments.
- Deep passion for Artificial Intelligence field of study
Littelfuse is a diversified industrial technology manufacturer that designs and delivers products for the safe and efficient transfer of electrical energy. Its portfolio includes fuses, protection devices, sensors, and related components used across industrial, transportation, and electronics markets. The company serves more than 100,000 end customers from a global footprint spanning 20+ countries and about 16,000 associates, with a history dating back over 95 years. Littelfuse differentiates itself through its broad, deep product portfolio, broad geographic reach, and long-standing commitment to reliable, safe electrical solutions. Its goal is to provide dependable technologies that support safe power transfer and energy management across industries, continuing to grow its presence and impact while maintaining a diverse and inclusive workforce.
Company Size
5,001-10,000
Company Stage
IPO
Headquarters
Chicago, Illinois
Founded
1927
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Simplify's Take
What believers are saying
- Q2 2026 revenue hit $738.8 million, up 20.4%, and EPS beat sharply.
- AI data-center demand now drives about 20% of business, supporting high-voltage protection growth.
- Management raised the dividend 7% on July 29, 2026, signaling strong cash generation.
What critics are saying
- Allen, Texas power-semiconductor closure in 2027 signals margin pressure and portfolio shrinkage.
- Consumer electronics remains weak; Q2 2026 growth depended on AI data centers and Basler.
- Automotive revenue grew only 1.6% over two years, leaving cyclical exposure concentrated.
What makes Littelfuse unique
- Littelfuse dominates electrical protection, with FlatSuppressX TVS diodes for 48V architectures.
- C&K gives Littelfuse rugged switch hardware, expanding control-panel content beyond semiconductors.
- Basler acquisition adds grid and utility exposure, broadening the portfolio beyond automotive.
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Benefits
Health Insurance
Dental Insurance
Vision Insurance
401(k) Company Match
Paid Vacation
Paid Holidays
Life Insurance
Disability Insurance
Professional Certification Support
Flexible Work Hours
Remote Work Options
Growth & Insights and Company News
6 month growth
↑ 16%1 year growth
↑ 16%2 year growth
↑ 16%UW-Oshkosh class notes: september 2026. '72 Tom Davis, of Sturgeon Bay, published Beginnings: The Trail from Boyhood in Western Colorado to the Indian Controlled Schools Movement and Restoration of Menominee Indian Tribe. The book follows Davis's life from boyhood to his teaching career and involvement in the Menominee Tribe and American Indian education restoration efforts. '75 Margaret Keehn, of Fox Point, was appointed to Alverno College's board of trustees. Prior to her retirement. Keehn was strategic director for Life Care Solutions at GE Healthcare. '87 (MBA) Seth Spurlock, of Marietta, Georgia, earned his Doctor of Business Administration degree from Georgia State University. Spurlock is the founder and CEO of Bulk Chemical Services (BCS), former president of the Georgia Mining Association, and former president of Miami University Paper Science and Engineering Foundation. '92 Daniel Ruedinger, of Oshkosh, joined the Verve board of directors. Ruedinger has more than 30 years of executive leadership experience and works for Castle Pierce. '00 Chad Cotti, of Okemos, Michigan, is the interim director of Michigan State University AgBioResearch, where he will oversee AgBioResearch's strategic direction, budget, and research activities at numerous facilities around the state. '03, '08 (MBA) Christopher Kalk, of Wausau, joined Bank First as president of its newly established north central Wisconsin region. Kalk has more than 20 years of commercial banking experience. '04 (MBA) Tod Kelsey, of Waupaca, is the president and chief executive officer of Plexus Corp. Kelsey was recently appointed to the Littelfuse, Inc. board of directors. '04 (MBA) Tina Schmiedel, of Oshkosh is the recipient of the 2026 Michigan Tech Distinguished Alumni Award. Schmiedel is currently a member of the UWO Foundation Board. '04 Joe Slyzelia, of Greenville, is a pianist and member of the band Sly Joe & The Smooth Operators. '06 Dave Lezotte, of Dacula, Georgia, is the lead radio/TV broadcaster for the Gwinnett Stripers, a Triple-A affiliate of the Atlanta Braves. In July, Lezotte broadcasted on the call with '12 Jason Kempf, of Malone, the Director of Broadcasting for the Iowa Cubs, a Triple-A affiliate of the Chicago Cubs. The teams played each other in a six-game series, marking the first Triple-A series broadcasted by two alumni of the UWO Radio TV Film Department. '07 Matthew Albrecht, of Omro, is the City of Menasha's police chief. Albrecht has a 25-year career with the Menasha Police Department as a community service officer, patrol officer and lieutenant. '07, '09 (MS) Darren Gallagher, of Cincinnati, Ohio, was introduced as the new head coach of the UWO Men's Soccer team. Gallagher's wife '06 Kristen (Malmstrom) Galllagher, of Brookfield, is also a UWO alumna. Both Gallaghers played soccer at UWO. '09 (MBA) Matt Simmons, of Wausau, is the chief operating officer at AbbyBank. Simmons brings over 20 years of banking experience and a strong background in risk management to his role. '11 (MA) Michelle Engel, of Green Bay, published her first poetry chapbook, No Place in This World. '11 Nicole (TerMaat) Williams, of Merrill, is the director of business development for Westphal Staffing. Williams previously served as director of professional services at Exegistics. '12 Grand Larie, of Neenah, was honored as a Palmer College of Chiropractic's 10 Under 10 Award recipient, an honor given to 10 Palmer alumni within their first 10 years of practice for their professional accomplishments, leadership and contributions to the chiropractic profession. Larie practices at Chiropractic Health in Appleton. '15 Curtis Aderholdt, of Wausau, is the senior videographer at WSAW NewsChannel 7. '15, '21 (MSE) Alexa (Nutter) Chiefari, of Fennimore, is an apprenticeship, employability, and emerging technology consultant for CESA 3. '16 Alicia (Gehrig) Wenger, of Oshkosh, is the director of development at Greater Oshkosh Economic Development Corporation (GOEDC). Wenger's spouse is alumnus '14 Ian Wenger. '18 (MBA) Ben Krumenauer, of Green Bay, is the director of administrative services and organizational effectiveness for the City of Oshkosh. Krumenauer was formerly the Bellevue village administrator and City of Oshkosh assistant planner. '23 Mattie Beck, of Ellsworth, is a reporter with the Hudson Star-Observer. While a student, Beck was a staff editor and writer for UWO's Advance-Titan student newspaper. '24 (DNP) Megan Grimm, of Green Bay, is an advanced oncology certified nurse at Green Bay Oncology. '24 (EDD) Yvette Marshall, of Oneida, is the district director of student services for the Manitowoc Public School District. Marshall previously served as superintendent and director of pupil services for the Tigerton School District in Shawano County.
Littelfuse reported revenues of $738.8 million for Q2, up 20.4% year on year and exceeding analysts' expectations by 5.4%. The electronic components manufacturer, which provides electrical protection and control components for automotive, industrial, electronics, and telecommunications industries, also beat analysts' EBITDA and EPS estimates. Chief executive officer Greg Henderson said the results reflected "broad-based demand strength and disciplined execution across the portfolio". The stock has risen 20.5% since the earnings report and currently trades at $472.33. The eight electronic components stocks tracked in the sector reported strong Q2 results overall, with revenues beating consensus estimates by 3.3%. Share prices have increased 15.1% on average since the latest earnings results.
Littelfuse/C&K launches TSC Toggle Safety Covers to prevent accidental activation. August 18, 2026 Littelfuse, an industrial technology manufacturing company shaping solutions for the safe and efficient transfer of electrical energy, announced the launch of the Littelfuse/C&K TSC Series Toggle Safety Covers, designed to prevent accidental activation of toggle switches in critical control systems. Accidental switch actuation can lead to unintended equipment operation, safety hazards, and costly downtime. The TSC Series addresses these challenges with a precision spring-loaded mechanism that physically guards toggle switches while enabling intentional, one-handed operation. Engineered for demanding environments, the covers combine rugged construction with a clean, professional appearance suited for modern control panels. The TSC Series features a durable stainless-steel faceplate with a glossy black finish and an ABS cover available in multiple colors for clear visual identification of critical functions. Designed as a simple, drop-in upgrade, the covers are compatible with standard 12.0 mm (15/32") mounting holes and accommodate switch lever heights up to 25 mm, making them suitable for a wide range of existing toggle switch designs. "The TSC Series was developed to address a common but often overlooked risk in control system design - unintended switch activation," said Jesus Santos, Global Product Manager at Littelfuse. "By combining a reliable spring-loaded mechanism with rugged materials and intuitive operation, these covers help engineers improve system safety without adding complexity to their designs." Key features and benefits. * Prevents accidental actuation: Spring-loaded protective cover reduces risk of unintended switching * Simple, intuitive operation: Easy one-handed opening and closing for intentional use * Rugged construction: Stainless-steel faceplate and durable ABS cover for long-term reliability * Visual identification: Multiple color options support clear labeling of critical functions * Drop-in compatibility: Fits standard panel cutouts (12.0 mm / 15/32") for easy retrofitting * Designed for harsh environments: Suitable for demanding industrial, transportation, and outdoor applications The TSC Series Toggle Safety Covers are well-suited for applications where safety, reliability, and operational clarity are critical. These include industrial control equipment, commercial and off-road vehicles, marine systems, aerospace platforms, and military equipment, where preventing unintended actuation is essential to maintaining safe and reliable operation. By combining mechanical protection with ease of use and design flexibility, the TSC Series provides engineers with a practical solution for enhancing control system safety without redesigning existing hardware. FAQs: TSC Series Toggle Safety Covers. What problem do TSC Series safety covers solve? They prevent accidental activation of toggle switches, which can lead to equipment damage, safety hazards, or system downtime. The spring-loaded cover ensures switches are only actuated intentionally. How easy are the covers to use in operation? The covers are designed for simple, one-handed opening and closing. This allows quick access while still maintaining protection against unintended actuation. Are these covers compatible with existing toggle switches? Yes. They are designed to fit standard 12.0 mm (15/32") mounting holes and support switch lever heights up to 25 mm, making them suitable for many existing designs. What environments are the TSC Series designed for? They are built for harsh and demanding environments, including industrial systems, transportation, marine, aerospace, and military applications. Do the covers support visual identification of switches? Yes. Multiple color options are available, allowing engineers to visually distinguish critical functions and improve operator awareness. What materials are used in the TSC Series? The covers use a durable ABS housing paired with a stainless-steel faceplate, providing both mechanical strength and long-term reliability.
Littelfuse/C&K launches TSC Toggle Safety Covers. 13 August 2026 Littelfuse announced the launch of the Littelfuse/C&K TSC Series Toggle Safety Covers, designed to prevent accidental activation of toggle switches in critical control systems. Accidental switch actuation can lead to unintended equipment operation, safety hazards, and costly downtime. The TSC Series addresses these challenges with a precision spring-loaded mechanism that physically guards toggle switches while enabling intentional, one-handed operation. Engineered for demanding environments, the covers combine rugged construction with a clean, professional appearance suited for modern control panels. The TSC Series features a durable stainless-steel faceplate with a glossy black finish and an ABS cover available in multiple colours for clear visual identification of critical functions. Designed as a simple, drop-in upgrade, the covers are compatible with standard 12.0mm (15/32") mounting holes and accommodate switch lever heights up to 25mm, making them suitable for a wide range of existing toggle switch designs. "The TSC Series was developed to address a common but often overlooked risk in control system design - unintended switch activation," said Jesus Santos, Global Product Manager at Littelfuse. "By combining a reliable spring-loaded mechanism with rugged materials and intuitive operation, these covers help engineers improve system safety without adding complexity to their designs." Key features and benefits * Prevents accidental actuation: Spring-loaded protective cover reduces risk of unintended switching * Simple, intuitive operation: Easy one-handed opening and closing for intentional use * Rugged construction: Stainless-steel faceplate and durable ABS cover for long-term reliability * Visual identification: Multiple colour options support clear labelling of critical functions * Drop-in compatibility: Fits standard panel cutouts (12.0 mm / 15/32") for easy retrofitting * Designed for harsh environments: Suitable for demanding industrial, transportation, and outdoor applications The TSC Series Toggle Safety Covers are well-suited for applications where safety, reliability, and operational clarity are critical. These include industrial control equipment, commercial and off-road vehicles, marine systems, aerospace platforms, and military equipment, where preventing unintended actuation is essential to maintaining safe and reliable operation. By combining mechanical protection with ease of use and design flexibility, the TSC Series provides engineers with a practical solution for enhancing control system safety without redesigning existing hardware. Keep up to date with the most important news. Breaking barriers at the boundary: NYCU and TSMC rethink 2D chips. TI advances next-generation industrial systems. 13 August 2026
Littelfuse has announced a 7% increase to its quarterly dividend to $0.80 per share, reflecting management's confidence in the company's financial position and outlook. The dividend raise comes as the electronics components manufacturer reports strong second-quarter 2026 results, with sales of $738.78 million compared to $613.41 million a year earlier. Net income rose to $89.41 million from $57.34 million, whilst diluted earnings per share from continuing operations increased to $3.49 from $2.30. For the first half of 2026, total sales reached $1,395.75 million with net income of $164.55 million. The company has also completed a $56.75 million share buyback since 2024. Littelfuse stock closed at $445.20, having gained 78.7% over the past year.