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Performance Test Engineer Jobs in Illinois (NOW HIRING)

Archer Daniels Midland

$141K - $151K/yr

Performance Test Engineer, Archer Daniels Midland Company, Decatur, IL. Create and execute load and performance scenarios/scripts approach across the enterprise and work on projects of diverse scope ...

Judge Group, Inc.

Performance Test Engineer

Chicago, IL · On-site

$70 - $75/hr

Our client is currently seeking a Performance Test Engineer to join their team in Chicago. This role is ideal for someone with strong expertise in performance testing and automation, along with ...

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How much do performance test engineer jobs pay per hour?

As of Jul 25, 2026, the average hourly pay for performance test engineer in Illinois is $45.14, according to ZipRecruiter salary data. Most workers in this role earn between $33.80 and $57.31 per hour, depending on experience, location, and employer.

What Is the Job of a Performance Test Engineer?

A performance test engineer conducts testing during the entire lifecycle process of software development to ensure an efficient and satisfactory outcome. As a performance test engineer, your primary responsibilities include providing extensive troubleshooting and offering recommendations to fix technical issues. Your duties involve running tests on capacity, endurance, scenarios, stress, and performance, and designing a test system to simulate traffic loads. You monitor application operations, analyze memory usage, generate graphs, identify potential problems, and prepare detailed status reports.

What are some common challenges faced by Performance Test Engineers when working on large-scale applications?

Performance Test Engineers working on large-scale applications often encounter challenges such as accurately simulating real-world user loads, identifying performance bottlenecks in complex systems, and ensuring tests reflect production environments. Coordinating with development and operations teams to set up realistic test data and environments can also be demanding. Additionally, interpreting and communicating test results to stakeholders requires strong analytical and communication skills to drive meaningful improvements.

What does a Performance Test Engineer do?

A Performance Test Engineer is responsible for evaluating the speed, responsiveness, and stability of software applications under various workloads. They design and execute test plans to identify bottlenecks, ensure systems perform well under expected and peak traffic, and recommend improvements. Their work helps ensure that applications deliver a smooth and reliable experience to end users, even in high-demand situations. Performance Test Engineers often use specialized tools to simulate large numbers of users and analyze system behavior.

What is the difference between Performance Test Engineer vs QA Tester?

AspectPerformance Test EngineerQA Tester
Primary FocusEvaluating system performance, load, and scalabilityVerifying overall software quality and functionality
Skills & CertificationsPerformance testing tools (JMeter, LoadRunner), scripting, performance analysisManual and automated testing, bug tracking, test case design
Work EnvironmentPerformance labs, testing environments, scriptingDevelopment, testing, and user environments
Industry UsageIT, software development, telecomIT, software, manufacturing, healthcare

While both roles are essential in software quality assurance, the Performance Test Engineer specializes in assessing system performance under load, whereas the QA Tester focuses on overall functionality and defect detection. Understanding these differences helps employers and professionals align skills with job requirements.

What are the key skills and qualifications needed to thrive as a Performance Test Engineer, and why are they important?

To thrive as a Performance Test Engineer, you need expertise in software testing methodologies, performance analysis, and scripting languages, often supported by a degree in computer science or related fields. Familiarity with tools such as JMeter, LoadRunner, or Gatling, and experience with monitoring systems and cloud platforms are commonly required. Strong analytical thinking, attention to detail, and effective communication skills set top performers apart in this role. These competencies are crucial for accurately identifying performance bottlenecks, ensuring system reliability, and collaborating across development teams.
More about Performance Test Engineer jobs
What are popular job titles related to Performance Test Engineer jobs in IL? For Performance Test Engineer jobs in IL, the most frequently searched job titles are:
Performance Test Engineer jobs near you
Infographic showing various Performance Test Engineer job openings in Illinois as of July 2026, with employment types broken down into 92% Full Time, 5% Part Time, and 3% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution, with an average salary of $93,883 per year, or $45.1 per hour.
Performance Test Engineer

Performance Test Engineer

Archer Daniels Midland

On-site

$141K - $151K/yr

Other

Posted 24 days ago

ADM rating

7.9

Company rating: 7.9 out of 10

Based on 185 frontline employees who took The Breakroom Quiz

76th of 358 rated logistics

Job description

Performance Test Engineer, Archer Daniels Midland Company, Decatur, IL. Create and execute load and
performance scenarios/scripts approach across the enterprise and work on projects of diverse scope and
complexity. Provide suggestions for the framework and approach across application product teams. Be
focused and hands-on in enterprise level performance tools both in the cloud and on-premises systems.
Design and write test plans, scenarios, scripts, and procedures. Perform test execution and analysis of
performance test results. Work across multiple protocols and systems to ensure overall system
performance and application response. Optimize performance of test execution through innovation. Help
define SLAs and ensure the System Under Test (SUT) can meet those SLAs. Identify performance
bottlenecks and utilize performance test results to recommend infrastructure adjustments. Maintain a
hands-on involvement in test execution, test automation and risk coverage analysis. Report any concerns
on testing preparation, quality, or timelines to Test and Project Management. Complete post project
defect analysis for possible improvements.
40 hrs/week, Mon-Fri, 8:30 a.m. - 5:30 p.m. Salary: $141,396 - $151,396/yr. Standard Company benefits.
MINIMUM REQUIREMENTS:
Bachelor's degree or foreign equivalent degree in Computer Science, Engineering (any), Business, Finance,
or a related field, and five (5) years of post-bachelor's, progressive, related work experience.
Must have four (4) years of experience with/in:
Software quality assurance and testing using tools like HPE/Micro Focus LoadRunner and/or
Neotys Neoload,
SAP performance testing,
Leveraging tools like New Relic, Splunk, Neoload, Jenkins, Azure DevOps, or Git; and
Monitoring application performance using one or more of these tools: NMON, Dynatrace,
AppDynamics, SolarWinds, CA Wily, and/or Vsphere for detailed system level monitoring.
100% Telecommuting permitted.
To apply, mail resume to: Christina Hetzer, ADM; PO BOX 1470, Decatur, IL 62525 (reference: IL0228).

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