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 Market Development Leader , you will be responsible for developing, building, and scaling Littelfuse’s presence in high-growth automation and electrified industrial applications. Your role will focus on defining and positioning power control and protection solutions within complex, system-level environments where reliability, safety, and scalability are critical. About the Job: - Segment and size high-growth automation and electrification markets, identifying key opportunities. - Map the ecosystem including OEMs, integrators, subsystem suppliers, and emerging players. - Prioritize target applications and accounts, defining current SAM and expansion pathways. - Design and implement a repeatable lifecycle model to drive scalable growth opportunities. - Translate Voice of the Customer (VoC) insights into actionable strategies and solution development. - Define value propositions and partner with engineering teams to develop scalable, platform-based solutions. - Identify technology and capability gaps and define build vs. acquire strategies, including M&A opportunities. - Drive enterprise alignment across business units to ensure coordinated customer engagement and execution. About You: - 7+ years of experience in automation, electrification, industrial electronics, power systems, or related fields. - Experience working directly with OEM customers on system requirements and technical integration. - Strong understanding of system-level design, manufacturability, and scalability. - Proven ability to influence and collaborate across functions without direct authority. - Strong analytical, communication, and executive presentation skills. - Strategic thinker with strong execution capabilities and ownership mindset. - Customer-focused with a collaborative and global perspective. Littelfuse is an equal opportunity employer committed to empowering every associate to make a difference — everywhere, every day. We offer a comprehensive benefits package, including: - Medical, dental, and vision coverage - 401(k) with company match and annual contribution - Paid time off and 11 holidays - Flexible and remote work options - $850 Lifestyle Spending Account - Tuition reimbursement (up to $20,000) - Lean Six Sigma certification and career development opportunities - Life, disability, and voluntary insurance options Artificial Intelligence (AI) tools may be used in some portions of the candidate review process for this position; however, all final employment decisions will be made by a person #LI-IAVR Artificial intelligence (AI) tools may be used in some portions of the candidate review process for this position, however, all final employment decisions will be made by a person. Salary Range: $166,000 - $266,560The salary offered will vary depending on your location, job-related skills, knowledge, and experience. 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.

• Design, develop, and implement highly scalable, reliable, and maintainable test automation frameworks • Serve as the technical authority on testing methodologies, tools, and best practices • Partner with development and product teams to integrate testing practices early in the development lifecycle • Advocate for and implement robust quality gates and coverage metrics • Own and optimize the integration of automated tests into the CI/CD pipeline

• Collaborate with an agile team to architect, implement, and continuously deliver the testing tools and infrastructure • Use Node, Webdriver.io, and Typescript or pytest and Python for testing • Work with DevOps team to integrate tests into CI/CD pipeline using tools like Jenkins, GitHub Actions, Selenium Grid, Docker • Help improve automated testing efforts • Experiment and bring new ideas to the table • Read vendor API documentation and navigate complex integration landscapes • Work with distributed teams across time zones

• Collaborate with the QA team to design, implement, and expand our automated test suites (Frontend and API). • Partner with your QA peer and the Tech team to refine 'Definition of Done' criteria and optimize our bug-fixing processes. • Work closely with Product and Tech during development to perform meticulous manual and exploratory testing. • Serve as a technical bridge between Support, Product, and Engineering. • Collaborate with Product Designers to validate that every new development respects our quality standards for visual consistency, responsiveness, and seamless user flows. • Manage the end-to-end bug reporting process, ensuring all issues are accurately documented.