About Us

Custom Magnetics is a family-owned manufacturer of custom transformers, inductors, and other magnetic components located in North Manchester, Indiana. For decades, we have built a reputation for quality, technical expertise, and responsive customer service.

Unlike manufacturers focused on standard catalog products, our engineers design custom magnetic components for a wide variety of applications, providing opportunities to solve unique technical challenges from concept through production. We foster a collaborative, supportive work environment where employees are encouraged to learn, innovate, and make a meaningful impact.

Position Summary

Custom Magnetics is seeking a Senior Transformer Design Engineer to join our engineering team. This is a hands-on engineering position responsible for the design, development, testing, and support of custom transformers, inductors, and related magnetic components. You will work directly with customers from concept through production, solving challenging electrical and manufacturing problems while developing innovative, high-quality products.

What We Offer

• Competitive salary based on experience
• Health insurance
• Paid vacation and holidays
• Retirement plan
• Growth and advancement opportunities
• Stable, family-owned company with long-term customers
• Friendly, team-oriented work environment

Responsibilities

• Design and develop custom transformers, inductors, reactors, and related magnetic components.
• Evaluate new designs for electrical performance, manufacturability, cost, and reliability.
• Work directly with customers to develop products that meet their electrical, mechanical, thermal, and cost requirements.
• Support new product introduction by transitioning designs into manufacturing.
• Test and evaluate first-article production units.
• Develop and maintain automated test programs using Voltech automatic test equipment.
• Design, build, and troubleshoot transformer test fixtures.
• Analyze production rejects and determine root causes.
• Evaluate returned products and perform failure analysis.
• Test engineering samples and accurately record electrical performance data.
• Assist manufacturing personnel in resolving technical and production issues.
• Prepare engineering documentation, specifications, and test reports.
• Support customers by answering technical questions and assisting with product development.
• Participate in continuous improvement efforts related to product design and manufacturing processes.

Required Qualifications

• Minimum of 5 years of experience designing custom transformers, inductors, or other wound magnetic components for manufacture.
• Strong understanding of magnetic component design, magnetic materials, winding techniques, insulation systems, and electrical performance.
• Understanding of transformer equivalent circuits, core losses, leakage inductance, parasitic capacitance, thermal design, and dielectric insulation systems.
• Experience using electrical test equipment, including:
• Digital multimeters
• Oscilloscopes
• LCR/impedance meters
• Hi-Pot and insulation resistance testers
• Experience troubleshooting electrical and manufacturing problems.
• Proficient with Microsoft Office and comfortable learning engineering and manufacturing software.
• Strong analytical and problem-solving skills.
• Excellent written and verbal communication skills.
• Bachelor's degree in Electrical Engineering, Electrical Engineering Technology, or equivalent industry experience.

Join Our Team

If you enjoy solving challenging magnetic design problems and seeing your designs progress from concept through production, we'd like to hear from you. Join Custom Magnetics and become part of a team that values technical excellence, innovation, and craftsmanship.

Job Type: Full-time

Pay: From $75,000.00 per year

Benefits:

• Health insurance
• Paid time off
• Relocation assistance
• Retirement plan

Work Location: In person