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Test Operator Jobs in Illinois (NOW HIRING)

Operator

Elwood, IL ยท On-site

$18.25 - $24.50/hr

Record operating data such as process conditions, test results, and instrument readings. Confer with technical and supervisory personnel to report or resolve conditions affecting safety, efficiency ...

Operator

Elwood, IL ยท On-site

$18.25 - $24.50/hr

... test reports for process adjustments. โ€ข Load and unload trailers, rail cars, totes, and drums ... The successful candidate will be responsible for Operating or tending to equipment in order to ...

Operator

Elwood, IL ยท On-site

$18.25 - $24.50/hr

... test reports for process adjustments. โ€ข Load and unload trailers, rail cars, totes, and drums ... The successful candidate will be responsible for Operating or tending to equipment in order to ...

As a Sr Advanced Test Engineer here at Honeywell, you will play a critical role in developing and ... operating system and Honeywell Technologies Forge intelligence layer. By combining the deep domain ...

As a Sr Advanced Test Engineer here at Honeywell, you will play a critical role in developing and ... operating system and Honeywell Technologies Forge intelligence layer. By combining the deep domain ...

As a Sr Advanced Test Engineer here at Honeywell, you will play a critical role in developing and ... operating system and Honeywell Technologies Forge intelligence layer. By combining the deep domain ...

Forklift Operator

Waukegan, IL

$16.25 - $19/hr

Forklift Operators Responsibilities: * Load / unload trucks * Put product away and replenishment ... Must be willing to submit to background check and drug test AllStaff is an Equal Opportunity ...

The Operator position is an active member of a production team that will assist in the ... Able to pass a basic math test * Willing and able to pass a pre-placement drug test * Reliable ...

Create and maintain ground and air operating limitations requirements * Travel to test sites, customer locations, and field exercises as required Required qualifications: * Bachelor's degree in ...

Operator - Fabrication

Morton, IL ยท On-site

$20.50/hr

The Operator position is an active member of a production team that will assist in the ... Able to pass a basic math test * Willing and able to pass a pre-placement drug test * Reliable ...

Maintain organized records of test results, calibration certs, and maintenance logs * Support ... operating or maintaining industrial or laboratory test equipment * Strong mechanical aptitude and ...

Showing results 41-60

Test Operator information

See Illinois salary details

$8

$19

$29

How much do test operator jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for test operator in Illinois is $19.59, according to ZipRecruiter salary data. Most workers in this role earn between $17.02 and $20.96 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a test operator, and why are they important?

To thrive as a Test Operator, you need a keen attention to detail, basic technical knowledge in electronics or mechanics, and often a high school diploma or equivalent. Familiarity with testing equipment, data recording systems, and sometimes certifications such as IPC or specific safety training are commonly required. Strong problem-solving skills, effective communication, and reliability help Test Operators excel in identifying issues and working efficiently within a team. These skills and qualifications are crucial for ensuring product quality, safety, and seamless operation in manufacturing or laboratory environments.

What is a test operator?

Test Operators are professionals responsible for conducting tests on products, equipment, or systems to ensure they meet quality and safety standards. They set up testing equipment, follow detailed procedures, and record data from the tests. Test Operators may work in industries such as manufacturing, electronics, or aerospace, and often collaborate with engineers to troubleshoot issues. Their role is crucial for identifying defects and ensuring that products function correctly before reaching customers.

What is the difference between Test Operator vs Quality Control Inspector?

AspectTest OperatorQuality Control Inspector
Required CredentialsHigh school diploma; technical training often preferredHigh school diploma; certifications in quality standards beneficial
Work EnvironmentManufacturing or production facilities, operating testing equipmentInspection areas within manufacturing, using measurement tools
Employer & Industry UsageCommon in manufacturing, electronics, automotive industriesUsed across manufacturing, aerospace, consumer goods sectors

Test Operators focus on running tests and operating testing equipment to ensure product functionality, while Quality Control Inspectors examine finished products for defects and adherence to standards. Both roles are essential in manufacturing environments and often work closely to maintain product quality.

What are some common challenges faced by test operators, and how can they effectively address them?

Test Operators often encounter challenges such as troubleshooting unexpected test equipment malfunctions, maintaining accuracy under tight deadlines, and adapting to frequent changes in test procedures or product specifications. Effective communication with engineering and quality assurance teams is crucial for resolving technical issues quickly. Staying organized and following detailed documentation helps minimize errors, while ongoing training ensures familiarity with evolving technologies and testing protocols.
What are popular job titles related to Test Operator jobs in IL? For Test Operator jobs in IL, the most frequently searched job titles are:
Infographic showing various Test Operator job openings in Illinois as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 12% Part Time, 4% Contract, and 1% Nights. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution, with an average salary of $40,743 per year, or $19.6 per hour.

Operator

Stepan

Elwood, IL โ€ข On-site

$18.25 - $24.50/hr

Full-time

Re-posted 15 days ago


Job description

The successful candidate will be responsible for Operating or tending to equipment in order to control chemical changes or reactions in the processing of chemicals at Stepan Millsdale. ย 

ย 
ย  ย Moving control settings to make necessary adjustments on equipment units affecting speeds of chemical reactions, quality, and yields.
ย  ย Start pumps and/or operate control valves to wash and rinse reactor vessels, to exhaust gases and vapors, to regulate the flow of oil, steam, air, and to add products to blending vessels. ย  ย Interpret chemicals reactions visible through sight glasses, on local instruments and gauges, or on HMI/PLC (Human Machine Interface/Programmable Logic Controller) monitors, and review laboratory test reports for process adjustments.

ย  ย Load and unload trailers, rail cars, totes, and drums.
ย  ย Perform material staging for the production areas, tote washing, receiving, and putting materials into storage locations, inventory consolidation.
ย  ย Operate valves to regulate flow of products or byproducts through agitator tanks, storage drums, or neutralizer tanks.
ย  ย Conduct equipment washouts as directed.
ย  ย Calculate material requirements or yields according to formulas.
ย  ย Monitor recording instruments, flow meters, panel lights, and other indicators, as well as listen for warning signals, in order to verify conformity of process conditions.
ย  ย Control or operate chemical processes or systems of machines, using panel boards, control boards, or semi-automatic equipment.
ย  ย Record operating data such as process conditions, test results, and instrument readings.
ย  ย Confer with technical and supervisory personnel to report or resolve conditions affecting safety, efficiency, and product quality or the environment.
ย  ย Draw samples of products, and conduct quality control tests in order to monitor processing, and to ensure that standards are met.
ย  ย Patrol work areas to ensure that solutions in tanks and troughs are not in danger of overflowing.
ย  ย Notify maintenance and other auxiliary personnel to correct equipment malfunctions, and to adjust power, steam, water, or air supplies.
ย  ย Perform regular product and raw material inventory. Gauge tank levels, using calibrated rods.ย 
ย  ย Defrost frozen valves, using steam hoses.
ย  ย Regulate or shut down equipment during emergency situations, as directed by supervisory personnel.
ย  ย Support all Environmental, Health, and Safety programs, policies, and regulations.
ย  ย General housekeeping duties as assigned.
ย  ย Participate and maintain compliance related activities including internal and external audits for applicable standards and certifications such as ISO 9001:2015, EFfCI, FSSC 22000, Kosher, Halal, RSPO, ISCC+ and others.

The successful candidate will be responsible for Operating or tending to equipment in order to control chemical changes or reactions in the processing of chemicals at Stepan Millsdale. ย ย 
ย ย  ย Moving control settings to make necessary adjustments on equipment units affecting speeds of chemical reactions, quality, and yields.
ย ย  ย Start pumps and/or operate control valves to wash and rinse reactor vessels, to exhaust gases and vapors, to regulate the flow of oil, steam, air, and to add products to blending vessels.
ย ย  ย Interpret chemicals reactions visible through sight glasses, on local instruments and gauges, or on HMI/PLC (Human Machine Interface/Programmable Logic Controller) monitors, and review laboratory test reports for process adjustments.
ย ย  ย Load and unload trailers, rail cars, totes, and drums.
ย ย  ย Perform material staging for the production areas, tote washing, receiving, and putting materials into storage locations, inventory consolidation.
ย ย  ย Operate valves to regulate flow of products or byproducts through agitator tanks, storage drums, or neutralizer tanks.
ย ย  ย Conduct equipment washouts as directed.
ย ย  ย Calculate material requirements or yields according to formulas.
ย ย  ย Monitor recording instruments, flow meters, panel lights, and other indicators, as well as listen for warning signals, in order to verify conformity of process conditions.
ย ย  ย Control or operate chemical processes or systems of machines, using panel boards, control boards, or semi-automatic equipment.
ย ย  ย Record operating data such as process conditions, test results, and instrument readings.
ย ย  ย Confer with technical and supervisory personnel to report or resolve conditions affecting safety, efficiency, and product quality or the environment.
ย ย  ย Draw samples of products, and conduct quality control tests in order to monitor processing, and to ensure that standards are met.
ย ย  ย Patrol work areas to ensure that solutions in tanks and troughs are not in danger of overflowing.
ย ย  ย Notify maintenance and other auxiliary personnel to correct equipment malfunctions, and to adjust power, steam, water, or air supplies.
ย ย  ย Perform regular product and raw material inventory. Gauge tank levels, using calibrated rods.ย 
ย ย  ย Defrost frozen valves, using steam hoses.
ย ย  ย Regulate or shut down equipment during emergency situations, as directed by supervisory personnel.
ย ย  ย Support all Environmental, Health, and Safety programs, policies, and regulations.
ย ย  ย General housekeeping duties as assigned.
ย ย  ย Participate and maintain compliance related activities including internal and external audits for applicable standards and certifications such as ISO 9001:2015, EFfCI, FSSC 22000, Kosher, Halal, RSPO, ISCC+ and others.

Requirements:ย 
ย ย  ย High School diploma or equivalent.
ย ย  ย 3 years of operators' experience in a manufacturing environment with hazardous materials.
ย ย  ย Petro Chemical Certificate from Joliet Junior College (preferred).
ย ย  ย Strong communication skills both written and verbal.
ย ย  ย Detail oriented.ย 
ย ย  ย Work 12-hour rotational shifts, including some weekends and holiday work.

Requirements:ย 
ย  ย High School diploma or equivalent. ย  ย 3 years of operators' experience in a manufacturing environment with hazardous materials. ย  ย Petro Chemical Certificate from Joliet Junior College (preferred)
ย  ย Strong communication skills both written and verbal.
ย  ย Detail oriented.ย 
ย  ย Work 12-hour rotational shifts, including some weekends and holiday work.

Pay range: $42.08 per hour

Union Benefits through Teamsters Local 179

Established in 1932, Stepan Company is a major manufacturer of basic and intermediate chemicals including surfactants, polymers, as well as specialty ingredients that go into consumer, household, and institutional products such as laundry detergents, shampoos, and surface cleaners. Stepan Company currently has 19 global manufacturing locations and over 2,400 employees. We have a strong record of growth. Our growth allows us to provide meaningful career opportunities and stability to our team members. We have big goals at Stepan and know every team member will be crucial to achieving our objectives. Regardless of function, we are looking for team members who bring with them a growth mindset, an entrepreneurial spirit, and the ability to thrive in an evolving environment.

We celebrate diversity at Stepan and are committed to creating a diverse, inclusive environment. We are proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, genetic information, disability, age, veteran status, or any other status protected by applicable law.