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Freelance Lab Test Engineer Jobs in Chicago, IL (NOW HIRING)

Capgemini

Wi-Fi Infrastructure Test Engineer

Berwyn, IL · On-site

$100 - $125/hr

Support continuous improvement initiatives for test methodologies, automation frameworks, and lab infrastructure.Your Skills & ExperienceBachelor's degree in Computer Science, Computer Engineering ...

Scotsman Ice

ENGINEERING LAB TECH

Vernon Hills, IL

... to Product Engineer/Lab Manager Supervises n/a Mission Support engineering initiatives by preparing and executing tests utilizing data-acquisition systems to provide engineers with reliable ...

CACI International, Inc.

Software Engineer

Lisle, IL · On-site

Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to ... Work in a telecommunications development lab environment, use automation tools and lab test ...

CACI

Software Engineer

Lisle, IL · On-site

Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to ... Work in a telecommunications development lab environment, use automation tools and lab test ...

Atkore Management, LLC

Lab Technician

Merrillville, IN

$18.75 - $24.75/hr

Lab Technician Who we are: Atkore is forging a future where our employees, customers, suppliers ... engineering or management * Support test scheduling and coordination activities by preparing ...

Atkore

Lab Technician

Merrillville, IN · On-site

$18.75 - $24.75/hr

Lab Technician Who we are: Atkore is forging a future where our employees, customers, suppliers ... engineering or management * Support test scheduling and coordination activities by preparing ...

Atkore International Group

Lab Technician

Merrillville, IN · On-site

$18.75 - $24.75/hr

Lab Technician Who we are: Atkore is forging a future where our employees, customers, suppliers ... engineering or management * Support test scheduling and coordination activities by preparing ...

Atkore Management, LLC

Lab Technician

Merrillville, IN

$18.75 - $24.75/hr

Lab Technician Who we are: Atkore is forging a future where our employees, customers, suppliers ... engineering or management * Support test scheduling and coordination activities by preparing ...

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All JobsLab Test Engineer JobsFreelance Lab Test Engineer JobsFreelance Lab Test Engineer Jobs in Chicago, IL

Freelance Lab Test Engineer information

See Chicago, IL salary details

$17

$49

$74

How much do freelance lab test engineer jobs pay per hour?

As of Sep 8, 2026, the average hourly pay for freelance lab test engineer in Chicago, IL is $49.36, according to ZipRecruiter salary data. Most workers in this role earn between $37.88 and $61.92 per hour, depending on experience, location, and employer.

What is the difference between Freelance Lab Test Engineer vs Quality Control Technician?

AspectFreelance Lab Test EngineerQuality Control Technician
CredentialsRelevant certifications (e.g., ISO, ASTM), technical degreesTechnical diploma or associate degree, certifications optional
Work EnvironmentFreelance projects, laboratories, client sitesIn-house labs, manufacturing facilities, testing labs
Employer & IndustryIndependent contractors, consulting firms, various industriesManufacturers, quality departments, industrial sectors

Freelance Lab Test Engineers and Quality Control Technicians both work in laboratory settings and require technical certifications. However, Freelance Lab Test Engineers typically operate independently on diverse projects, while Quality Control Technicians are employed full-time within organizations to ensure product quality. The choice depends on whether you prefer freelance flexibility or a stable in-house role.

What are the most commonly searched types of Lab Test Engineer jobs in Chicago, IL?

The most popular types of Lab Test Engineer jobs in Chicago, IL are:

What are popular job titles related to Freelance Lab Test Engineer jobs in Chicago, IL?

For Freelance Lab Test Engineer jobs in Chicago, IL, the most frequently searched job titles are:

What job categories do people searching Freelance Lab Test Engineer jobs in Chicago, IL look for?

The top searched job categories for Freelance Lab Test Engineer jobs in Chicago, IL are:

Freelance Lab Test Engineer jobs near you
Infographic showing various Freelance Lab Test Engineer job openings in Chicago, IL as of September 2026, with employment types broken down into 1% As Needed, 86% Full Time, 10% Part Time, 2% Contract, and 1% Nights. Highlights an 91% Physical, 1% Hybrid, and 8% Remote job distribution, with an average salary of $102,669 per year, or $49.4 per hour.

Sr. High Voltage Test Engineer

Mount Prospect, IL

Littelfuse
Electrical Equipment, Appliance, and Component Manufacturing • 5 - 10K employees
Learn more about Littelfuseexternal

$88K - $137K/yr

Full-time

Re-posted 21 days ago

Littelfuse rating

8.6

Company rating: 8.6 out of 10

Based on 7 frontline employees who took The Breakroom Quiz

27th of 161 rated electronics manufacturers

Job description

Littelfuse (NASDAQ: LFUS) is a diversified industrial technology manufacturing company shaping solutions for the safe and efficient transfer of electrical energy. Headquartered in Chicago, Illinois, USA, we serve customers across industrial, transportation, and electronics markets worldwide. With approximately 16,000 employees we design and manufacture innovative technologies that support electrification, energy efficiency, and advanced automation. Our global reach is matched by a culture that empowers innovation and long-term growth. Guided by our principles We Care, We Succeed With Our Customers, and We Own the Outcome, we work collaboratively, think boldly, and deliver solutions that move industries forward.

Are you passionate about electric circuits and power systems and want to be a
part of the future of transportation? We are seeking a Senior High Voltage
Electrical Test Engineer to join our state-of-the-art high voltage lab!

As a Senior High Voltage Test Engineer, you will be responsible for testing and

evaluating the performance of our cutting-edge circuit protection devices for a

variety of applications. As a member of our team, you will have the opportunity

to work on exciting projects and collaborate closely with a team of talented

engineers to develop the latest advancements in circuit protection device

technologies across both automotive and emerging industries.


Responsibilities:

  • Develop test plans, procedures, and protocols for cutting-edge new and existing circuit protection devices for a variety of applications.

  • Execute high-voltage electrical and short circuit tests to evaluate performance, safety and durability of fuses and other circuit protection products.

  • Analyze and interpret test data and waveforms and create comprehensive test reports.

  • Participate in design reviews and provide technical feedback to productdevelopment teams.

  • Collaborate with cross-functional teams to develop and improve testing methods.

  • Perform preventative maintenance on the test equipment, maintain safety procedures, update risk assessments and operating procedures for the high voltage labs.

  • Lead the design/implementation of any improvements in the high voltage labs along with being the technical expert for ongoing initiatives.

Qualifications:

  • Bachelor's or Master's degree in Electrical Engineering or related field (5+ years of experience)

  • Deep knowledge of electrical circuit design and data acquisition with

  • specialization in power electronics and/or programming.

  • Ability to test, diagnose and repair various electrical setups and circuits.

  • Hands-on experience in operation of oscilloscopes, multimeters, etc.

  • Hands-on experience in operation of oscilloscopes, multimeters, etc.

  • Ability to identify and implement efficient paths of action to complete assigned tasks.

  • Ability to operate well independently or as a team member in a fast-paced environment.

  • Advanced knowledge in MS office.

  • Strong analytical and problem-solving skills.

  • Excellent communication and presentation skills.

  • High attention to detail.

Preferred Qualifications:

Experience with global manufacturing companies

Experience with Labview (or other automation software)

Knowledge of PLCs and related software

#LIOB1

Artificial intelligence (AI) tools may be used in some portions of the candidate review process for this position, however, all final employment decisions will be made by a person.

Salary Range:

$88,500 - $137,100

The salary offered will vary depending on your location, job-related skills, knowledge, and experience.

At Littelfuse, we support employee growth and development. Guided by our culture principles, our teams work together to deliver value for customers and make a positive impact in the communities where we operate. We are an equal opportunity employer committed to fostering an inclusive workplace where everyone has the opportunity to grow and contribute. We offer competitive compensation and benefits, performance-based incentives, flexible work arrangements, and development opportunities.

What Littelfuse employees say

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