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Signal Integrity Engineer - Entry to Principal level

Molex
life insurance, parental leave
United States, Illinois, Lisle
2222 Wellington Court (Show on map)
Jul 23, 2025

Your Job

Molex is seeking a Signal Integrity Engineer to design, model, analyze, and characterize high-speed connectors, cables, and systems serving cutting edge technology in data center and storage industry.

The Signal Integrity Engineer will lead technical design and provide direction and guidance to others. This person may also interface directly with customers on Signal Integrity issues to gather requirements and provide technical support. In order to meet the fast speed demands of the industry, this person will understand market to drive cutting edge technology to our customers.

Our Team

At Molex, we create connections for life by enabling technologies that transform the future and improve lives. With a presence in more than 40 countries, we offer a complete range of connectivity products, services, and solutions across various industries, including data communications, medical, industrial, automotive, and consumer electronics.

Our Datacom and Specialty Solutions (DSS) team specializes in providing signal integrity solutions essential for building reliable communications equipment, catering to telecommunications, datacom, hyperscalers, cloud, data center, and storage applications. We continue to innovate to meet the demands of next-generation markets.

What You Will Do

  • Characterize and analyze high-speed connectors, cable assemblies, and channel systems using high-speed digital testing and electromagnetic modeling techniques
  • Develop, document, and execute electrical test procedures, specifications, and qualification plans
  • Collaborate with other engineers in design characterization and verification boards
  • Create customer-focused interconnect solutions based on performance and cost objectives, and recommend improvements to existing connector and cable-assembly systems
  • Support research & development of advanced electrical design capabilities and high-speed measurement technologies
  • Prepare, review, and present evaluation/qualification reports and technical presentations for internal stakeholders (R&D, Product Design, Marketing, Sales) and external customers
  • Engage with customers to gather requirements, present solutions, and offer technical support
  • Stay current on industry trends in high-speed interconnect requirements and proactively share insights with the broader team
  • Maintain and update all signal integrity documentation, databases, and knowledge repositories

Who You Are (Basic Qualifications)

  • Bachelor's degree in Electrical Engineering, Physics, Applied Mathematics, or a related field (or equivalent practical experience)
  • 1-3 years experience in signal integrity design projects, including high-speed SerDes architectures, protocols, and modeling methods OR internships, coursework or projects related to high-speed electronics or RF design
  • Basic understanding of Electromagnetics/RF principles and strong willingness and eagerness to learn signal integrity concepts and techniques
  • Familiarity with lab equipment such as oscilloscopes, TDRs, VNAs, and spectrum/network analyzers to correlate simulation results
  • Strong analytical and problem-solving skills

What Will Put You Ahead

  • Master's degree (or higher) in Engineering, Physics, Applied Mathematics, or related field
  • 10+ years of SI design and simulation experience
  • Proficiency with 3D Electromagnetic Simulation Tools HFSS/CST/Clarity, Sigrity, Keysight PLTS
  • Experience with Cadence/Altium design
  • Experience with statistical and time-domain analysis
  • Hands-on use of oscilloscopes, TDRs, VNAs, spectrum analyzers for SI validation
  • Programming or scripting skills (Python, MATLAB, etc.) for automating analysis processes

For this role, we anticipate paying $90,000- $160,000 per year. This role is eligible for variable pay, issued as a monetary bonus or in another form.

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

As a Koch company, Molex is a leading supplier of connectors and interconnect components, driving innovation in electronics and supporting industries from automotive to health care and consumer to data communications. The thousands of innovators who work for Molex have made us a global electronics leader. Our experienced people, groundbreaking products and leading-edge technologies help us deliver a wider array of solutions to more markets than ever before.

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.

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).

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