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Signal Integrity Jobs in Illinois (NOW HIRING)

NEOTECH

Design Engineer III (24903)

Naperville, IL · On-site

Optimize impedance matching, signal integrity, and EMI/EMC performance * Develop RF test plans and perform lab validation using VNAs, spectrum analyzers, and signal generators * Collaborate with PCB ...

NEOTech

Design Engineer III (24903)

Naperville, IL · On-site

$100K - $115K/yr

Optimize impedance matching, signal integrity, and EMI/EMC performance * Develop RF test plans and perform lab validation using VNAs, spectrum analyzers, and signal generators * Collaborate with PCB ...

Koch Industries

Simulation R&D Engineer

Lisle, IL · On-site

$90K - $120K/yr

This role bridges product development, finite element analysis (FEA), signal integrity (SI) analysis, and AI modeling, enabling faster and smarter product design. You will work closely with domain ...

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All JobsSignal Integrity JobsSignal Integrity Jobs in Illinois

Signal Integrity information

See Illinois salary details

$123.6K

$163.3K

How much do signal integrity jobs pay per year?

As of Aug 30, 2026, the average yearly pay for signal integrity in Illinois is $161,153.00, according to ZipRecruiter salary data. Most workers in this role earn between $161,800.00 and $161,800.00 per year, depending on experience, location, and employer.

What is signal integrity and why is it important?

Signal integrity refers to the quality and reliability of electrical signals as they travel through circuits, especially at high speeds. Ensuring good signal integrity is crucial because poor signal integrity can cause data errors, timing issues, or complete circuit failure. Signal integrity engineers work to minimize issues like noise, crosstalk, reflections, and electromagnetic interference by carefully designing circuit layouts, selecting appropriate materials, and using simulation tools. This is particularly important in high-speed digital and RF systems, where even small distortions can have significant impacts.

What are common challenges faced by signal integrity engineers when working on high-speed PCB designs?

Signal Integrity engineers frequently encounter challenges such as managing crosstalk, minimizing electromagnetic interference, and ensuring signal quality over high-frequency transmission lines. Working closely with PCB layout designers and hardware engineers, they analyze and resolve issues related to impedance mismatches and timing delays. Staying updated with evolving standards and simulation tools is crucial, as continuous collaboration and troubleshooting are essential parts of the role.

What are the key skills and qualifications needed to thrive as a signal integrity engineer?

To thrive as a Signal Integrity Engineer, you need a solid background in electrical engineering principles, high-speed digital design, and electromagnetic theory, typically supported by a relevant engineering degree. Familiarity with simulation tools like HyperLynx, Cadence Sigrity, and oscilloscopes, as well as knowledge of industry standards and PCB layout software, is crucial. Strong problem-solving skills, attention to detail, and effective communication set top professionals apart in this field. These skills and qualities are vital to ensure reliable high-speed data transmission and prevent costly design issues in electronic systems.

What is the difference between Signal Integrity vs Signal Integrity Engineer?

AspectSignal IntegritySignal Integrity Engineer
CredentialsKnowledge of high-speed digital design, basic electrical engineeringSame as Signal Integrity, often with additional certifications or degrees
Work EnvironmentDesign teams, R&D labs, manufacturingDesign and analysis teams, R&D labs, manufacturing
Industry UsageFocuses on principles and analysisApplies principles to design, testing, and troubleshooting
Search IntentUnderstanding signal integrity conceptsFinding professionals or job roles in signal integrity

Signal Integrity refers to the principles and analysis of maintaining signal quality in electronic systems. A Signal Integrity Engineer applies these principles in designing, testing, and troubleshooting high-speed digital circuits. While the concepts are similar, the role of a Signal Integrity Engineer involves practical application and problem-solving in real-world projects.

What are popular job titles related to Signal Integrity jobs in Illinois?

For Signal Integrity jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Signal Integrity jobs in Illinois look for?

The top searched job categories for Signal Integrity jobs in Illinois are:

Signal Integrity jobs near you
Infographic showing various Signal Integrity job openings in Illinois as of August 2026, with employment types broken down into 1% As Needed, 77% Full Time, 20% Part Time, and 2% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $161,153 per year, or $77.5 per hour.

Railroad Relief Signal Maintainer Technician

Champaign, IL • On-site

C.D.L. ELECTRIC COMPANY, Inc.
See more jobs at C.D.L. ELECTRIC COMPANY, Inc.external

$47K - $62K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 3 days ago

New

Job description

Description
Seeking a Relief Signal Maintainer for the Champaign, IL area.
Incentives Include:
  • Company vehicle, laptop, and cell phone provided.
  • Wages are negotiable as per experience.

Benefits Include:
  • Health, dental, vision, 401-K, and profit sharing for all full-time employees.
  • Paid holidays after 60 days of employment.
  • Employee referral bonuses
  • Employer paid Long Term Disability and Life Insurance

Summary
A Railroad Signal Maintainer for CDL is responsible for testing, maintaining and improving signal systems at railroad grade crossings and way-side signal locations in accordance with FRA and CDL standards. A signal maintainer will be evaluated in 5 basic areas:
  • Safety
  • Maintenance & Improvements
  • Testing & Inspections
  • Trouble Calls & Troubleshooting
  • Team Player

Preferred Experience Includes:
  • Knowledge of basic electronics and electrical fundamentals with an emphasis in low-voltage AC & DC circuits and relay or ladder logic. Should be able to read wiring diagrams and use multi-meter.
  • General knowledge of rail operations and railroad signaling principals specifically is preferred, but willing to train a highly motivated candidate.
  • Signal maintaining is a largely independent job thus good time management and personal initiative are essential.
  • Should be proficient with a personal computer and the MS Office line of products.
  • High school diploma or GED equivalent unless otherwise approved by upper management.

Essential Duties and Responsibilities:
  • Responsible for testing, maintaining and improving grade crossing warning, AEI or defect detector systems on an assigned territory. Follow all published regulations and applicable testing standards.
  • Willing to be On-Call and available to respond to dispatch and supervisor Trouble Calls in a timely manner.
  • Be responsible to maintain test records according to set retention schedules.
  • Foster good relationships with local railroad customers and suppliers
  • Be a team player willing to help on other territories and railroads. Assist with special projects, when assigned.
  • Responsible for the safety of themselves and those around them. Reports any unsafe conditions that may exist.
  • Keep company vehicle, equipment, tools and meters in good working order, following all maintenance and calibration schedules.
  • Extensive Travel Required
  • Other duties as required or assigned by leadership team.
  • Demonstrate and attain CDL Core Values: INTEGRITY, SAFETY, PEOPLE, ACCOUNTABILITY, AND EXCELLENCE
  • Demonstrate and attain CDL Core Focus: CUSTOMER SATISFACTION

Physical Demands:
  • Standing, walking, bending, kneeling and/or sitting for long periods of time.
  • Climbing ladders to reach ceilings and other high objects.
  • Push/Pull/Lift/Moving 50 pounds repeatedly.
  • Working in adverse weather conditions.
  • Walk and stand on uneven surfaces

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