Sr. Engineer, EMI

Your Job

Molex is seeking a highly skilled Senior EMI Engineer to provide electromagnetic interference (EMI) design and compliance support for high-speed interconnect solutions, including cages, connectors, and DAC, ACC, and AEC cable assemblies for the data center market. This role will ensure robust EMI performance across Molex products, supporting next-generation networking and server platforms.

• Lead EMI design, analysis, and validation for high-speed connectors and cable assemblies.
• Develop EMI mitigation strategies for cages, connectors, and cable products supporting 400G/800G and beyond.
• Perform characterization and compliance testing using advanced tools (VNA, TDR, BERT, EMI chambers).
• Collaborate with Signal Integrity and Mechanical Engineering teams to optimize designs for EMI performance.
• Define EMI requirements and test plans aligned with IEEE, OIF, PCIe, and industry standards.
• Support customer EMI troubleshooting and provide technical guidance during design-in phases.
• Participate in industry standards committees and interoperability events.
• Mentor junior engineers and contribute to EMI best practices across the organization.

• Bachelor's degree in Electrical Engineering or related field.
• 5 years of experience in EMI/EMC standards and testing methodologies
• Familiarity with simulation tools (HFSS, CST) and empirical test methods.
• Strong problem-solving skills and ability to manage complex technical challenges.
• Excellent communication and collaboration skills across global teams.
• Willingness to travel up to 20%.

• Master's degree in Electrical Engineering or related field.
• 10+ years of experience in EMI design and compliance for high-speed interconnects.
• Hands-on experience with cages, connectors, and high-speed cable assemblies (DAC, ACC, AEC)

Equal Opportunity Employer, including disability and protected veteran status. Except where prohibited by state law, some offers of employment are conditioned upon successfully passing a drug test. This employer uses E-Verify. Please  for additional information. (For Illinois E-Verify information , aqui, or tu).