Senior NPD Engineer: Circuit Protection Innovator

Littelfuse; Clayton (MO); On-site; USD 94,000 - 146,000; Full time

Job summary

Littelfuse is seeking an experienced Senior NPD Engineer to lead the development, design, validation, and introduction of innovative circuit protection products. You will drive new technology initiatives and manage the full product development lifecycle from concept through commercialization.

The role requires deep fuse design expertise, strong PM skills, and collaboration with manufacturing, quality, and customers to ensure successful launches and compliance with industry standards.

Qualifications

• Bachelor's degree in Electrical or Mechanical Engineering (or equivalent)
• 10+ years designing electrical power fuses, fuse accessories, or related circuit protection products
• Strong fuse design knowledge and circuit protection technologies
• Understanding of industry standards, certification requirements (UL)
• Experience in manufacturing environments and product industrialization
• Proven project management experience leading multiple development activities
• Proficiency with Microsoft Office (spreadsheets, docs)
• Experience using AutoCAD or Inventor
• Strong analytical, problem-solving, and product testing capabilities
• Ability to collaborate across engineering, operations, quality, and customer-facing teams
• Medium Voltage Fuse experience preferred
• Strong communication in a global, cross-functional environment

Responsibilities

• Lead the design, development, testing, and commercialization of new circuit protection products.
• Develop and evaluate new product concepts, prototypes, and engineering solutions.
• Create mechanical specifications, engineering drawings, design documentation, and cost estimates.
• Conduct product verification and validation activities, including test plan development and execution.
• Analyze test results and identify opportunities for product performance improvements.
• Drive continuous improvement initiatives focused on cost reduction and product optimization.
• Research new materials, technologies, and industry trends to identify opportunities for innovation.
• Procure samples, build prototypes, and perform testing to validate design concepts.
• Prepare technical reports, recommendations, and project updates for stakeholders.
• Collaborate with manufacturing, quality, and cross-functional teams to ensure successful product launches.
• Interface directly with customers to understand application requirements and develop effective product solutions.
• Participate in project reviews and provide regular progress updates to leadership and project teams.
• Support compliance with industry standards and third-party certification requirements.

Skills

Fuse design experience

Project management

CAD software

Education

Electrical/Mechanical Engineering degree

Equivalent technical experience

Tools

AutoCAD

Inventor

Job description

Littelfuse is seeking an experienced Senior NPD Engineer to lead the development, design, validation, and introduction of innovative circuit protection products. You will drive new technology initiatives and manage the full product development lifecycle from concept through commercialization.

The role requires deep fuse design expertise, strong PM skills, and collaboration with manufacturing, quality, and customers to ensure successful launches and compliance with industry standards.