Sr. Engineer, EMI

Your Job

Our Team

Molex is a leading provider of electronic solutions, committed to innovation and excellence. Our team is dedicated to delivering high-quality products and services to our customers worldwide. Join us and be part of a dynamic and forward-thinking organization.

What You Will Do

• 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.

Who You Are (Basic Qualifications)

• 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%.

What Will Put You Ahead

• 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)

At Koch companies, we are entrepreneurs. This means we openly challenge the status quo, find new ways to create value and get rewarded for our individual contributions. Any compensation range provided for a role is an estimate determined by available market data. The actual amount may be higher or lower than the range provided considering each candidate's knowledge, skills, abilities, and geographic location. If you have questions, please speak to your recruiter about the flexibility and detail of our compensation philosophy.

Hiring Philosophy

All Koch companies value diversity of thought, perspectives, aptitudes, experiences, and backgrounds. We are Military Ready and Second Chance employers. Learn more about our hiring philosophy here.

Who We Are

At Koch, employees are empowered to do what they do best to make life better. Learn how our business philosophy helps employees unleash their potential while creating value for themselves and the company.

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Our Benefits

Our goal is for each employee, and their families, to live fulfilling and healthy lives. We provide essential resources and support to build and maintain physical, financial, and emotional strength - focusing on overall wellbeing so you can focus on what matters most. Our benefits plan includes - medical, dental, vision, flexible spending and health savings accounts, life insurance, ADD, disability, retirement, paid vacation/time off, educational assistance, and may also include infertility assistance, paid parental leave and adoption assistance. Specific eligibility criteria is set by the applicable Summary Plan Description, policy or guideline and benefits may vary by geographic region. If you have questions on what benefits apply to you, please speak to your recruiter.

Additionally, everyone has individual work and personal needs. We seek to enable the best work environment that helps you and the business work together to produce superior results.

Equal Opportunities

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 click here for additional information. (For Illinois E-Verify information click here, aqui, or tu).