Senior New Product Development Engineer – Circuit Protection

Littelfuse; Hazelwood, Champaign (MO, IL); On-site; USD 89,000 - 137,000; Full time

Benefits offered by this job

Competitive pay

Performance-based incentives

Flexible work arrangements

Development opportunities

Job summary

Littelfuse is seeking a senior design engineer to lead the development of circuit protection products, including fuses and accessories. You will define concepts, create CAD drawings, and drive verification, testing, and cost estimates, interfacing with manufacturing and customers to deliver reliable solutions.

The role requires a strong background in fuse design, 10+ years of experience, and proven project leadership within a manufacturing setting.

Qualifications

• Bachelor's degree in Electrical Engineering, Mechanical Engineering, or equivalent.
• Minimum of 10 years designing electrical power fuses, fuse accessories, or related circuit protection products.
• Strong knowledge of fuse design principles and circuit protection technologies.
• Understanding of industry standards, certification requirements, and third-party approval processes (UL or equivalent).
• Experience working within manufacturing environments and product industrialization processes.
• Proven project management experience with the ability to lead multiple development activities simultaneously.
• Proficiency with Microsoft Office applications, including spreadsheets and documentation tools.
• Experience using AutoCAD, Inventor, or similar 2D/3D CAD software.
• Strong analytical, problem-solving, and product testing capabilities.
• Ability to collaborate effectively across engineering, operations, quality, and customer-facing teams.
• Medium Voltage Fuse experience is preferred.
• Strong communication skills and ability to work 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

Electrical power fuse design

Fuse technology knowledge

Project management

Analytical thinking

Cross-functional collaboration

Communication skills

Manufacturing experience

Global teamwork

Education

Bachelor's degree in Electrical or Mechanical Engineering

Tools

AutoCAD / Inventor

MS Office

Job description

Littelfuse is seeking a senior design engineer to lead the development of circuit protection products, including fuses and accessories. You will define concepts, create CAD drawings, and drive verification, testing, and cost estimates, interfacing with manufacturing and customers to deliver reliable solutions.

The role requires a strong background in fuse design, 10+ years of experience, and proven project leadership within a manufacturing setting.