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Performance Tester Jobs in Illinois (NOW HIRING)

ClifyX is seeking a Lead Performance Engineer responsible for performance engineering and testing of server applications and Web Services. The role involves identifying performance issues, creating ...

Support performance testing in pre-production and production environments when required.Provide clear performance metrics, dashboards, and recommendations to stakeholders.Required Skills ...

Tester

Elgin, IL · On-site

Tester Company Description Flender is a leading global supplier for mechanical drive systems and has the reputation for highest performance, innovation, quality, and reliability of mechanical ...

New

Performance Engineer

Pekin, IL · On-site

$98K - $162K/yr

Provide technical support, testing and equipment inspection expertise within various process areas ... Implement performance monitoring software in conjunction with process instrumentation to assess and ...

Performance Engineer

Pekin, IL · On-site

$98K - $162K/yr

Provide technical support, testing and equipment inspection expertise within various process areas ... Implement performance monitoring software in conjunction with process instrumentation to assess and ...

Performance Engineer

Pekin, IL · On-site

$98K - $162K/yr

Provide technical support, testing and equipment inspection expertise within various process areas ... Implement performance monitoring software in conjunction with process instrumentation to assess and ...

... testing performance • Highly collaborative in nature - excellent written and verbal communication skills • Ability to work on cross-functional teams including Trading, Development, IT, and Quant ...

... testing performance • Highly collaborative in nature - excellent written and verbal communication skills • Ability to work on cross-functional teams including Trading, Development, IT, and Quant ...

Exposure to statistical and experimental methods and tools for testing performance * Highly collaborative in nature - excellent written and verbal communication skills * Ability to work on cross ...

Exposure to statistical and experimental methods and tools for testing performance * Highly collaborative in nature - excellent written and verbal communication skills * Ability to work on cross ...

Manual QA

Lisle, IL · On-site

$45 - $50/hr

Execute functional, regression, integration, UI, API, and performance testing. * Identify, log, track, and verify defects through resolution. * Develop and maintain automation test scripts.

Showing results 21-40

Performance Tester information

See Illinois salary details

$10

$46

$67

How much do performance tester jobs pay per hour?

As of Sep 2, 2026, the average hourly pay for performance tester in Illinois is $46.07, according to ZipRecruiter salary data. Most workers in this role earn between $36.35 and $54.28 per hour, depending on experience, location, and employer.

What is a performance tester?

Performance Testers are IT professionals who evaluate the speed, responsiveness, and stability of computer systems, software applications, or networks under a particular workload. Their main role is to ensure that products meet defined performance criteria before they are released, identifying bottlenecks and recommending improvements. Performance Testers use specialized testing tools to simulate various user loads and analyze how a system behaves under stress. This helps organizations deliver reliable and efficient software that performs well under expected and peak usage conditions.

What are the key skills and qualifications needed to thrive as a performance tester?

To thrive as a Performance Tester, you need a solid grasp of software testing principles, scripting, and analysis, typically supported by a background in computer science or related fields. Familiarity with performance testing tools like JMeter, LoadRunner, and monitoring systems, as well as relevant certifications such as ISTQB, is highly valuable. Strong analytical thinking, attention to detail, and effective communication ensure thorough test execution and clear reporting of performance issues. These skills are crucial for identifying and resolving system bottlenecks, ensuring reliable software performance under varying loads.

What are some common challenges faced by performance testers during large-scale application testing?

Performance Testers often encounter challenges such as accurately simulating real-world user loads, identifying bottlenecks in complex environments, and managing test environments that closely mirror production. Coordinating with development, DevOps, and business teams is essential to ensure that test scenarios reflect actual usage patterns. Additionally, interpreting test results to provide actionable insights requires a strong understanding of both the application architecture and underlying infrastructure.

What is the difference between Performance Tester vs QA Tester?

AspectPerformance TesterQA Tester
CertificationsISTQB, LoadRunner, JMeter certificationsISTQB, ISTQB Foundation, or ISTQB Agile certifications
Work EnvironmentFocus on testing system performance, load, and scalabilityFocus on overall software quality, functionality, and bug detection
Industry UsageCommon in software development, IT, and tech companiesWidespread across various industries including tech, finance, healthcare

Performance Testers specialize in evaluating system performance under load, while QA Testers focus on overall software quality and bug detection. Both roles are essential in ensuring software reliability, but Performance Testers concentrate on speed, scalability, and stability, whereas QA Testers ensure the product meets quality standards across all aspects.

How much do performance testers make in the US?

Performance testers in the US typically earn between $70,000 and $120,000 annually, depending on experience, location, and certifications. Entry-level roles may start around $60,000, while senior positions with specialized skills can exceed $130,000.

What does a performance tester do?

A performance tester evaluates software applications to ensure they meet speed, stability, and scalability requirements. They design and execute tests using tools like JMeter or LoadRunner, analyze results, and identify bottlenecks to improve system performance. Strong analytical skills and knowledge of testing methodologies are essential for this role.

What are the most commonly searched types of Performance Tester jobs in Illinois?

The most popular types of Performance Tester jobs in Illinois are:

What job categories do people searching Performance Tester jobs in Illinois look for?

The top searched job categories for Performance Tester jobs in Illinois are:

What cities in Illinois are hiring for Performance Tester jobs?

Cities in Illinois with the most Performance Tester job openings:

What are popular job titles related to Performance Tester jobs in IL?

For Performance Tester jobs in IL, the most frequently searched job titles are:

Infographic showing various Performance Tester job openings in Illinois as of August 2026, with employment types broken down into 83% Full Time, 15% Part Time, and 2% Contract. Highlights an 81% Physical, 2% Hybrid, and 17% Remote job distribution, with an average salary of $95,826 per year, or $46.1 per hour.

Senior Associate, Software Engineering: Software Development Test (SDET)

The Options Clearing

Chicago, IL • Hybrid

$113K - $147K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 21 days ago


Job description

To be considered for this position, applications and resumes are accepted only through our careers site by directly applying to the posted job. We do not accept unsolicited resumes or sales solicitations from staffing agencies. Any OCC employee wishing to submit a referral must do so through their Workday account. Any resume submitted outside of an active job posting will not be considered for employment.

What You'll Do:

OCC's Enterprise Quality Engineering organization seeks a Senior Associate in Performance Testing to execute performance and failover testing for mission-critical clearing, risk, and settlement systems. This hands-on role focuses on designing test scenarios, executing performance tests, analyzing results, and validating system behavior during failover and disaster recovery scenarios. The ideal candidate combines strong performance testing execution skills with the ability to work across multi-region cloud and hybrid architectures, ensuring systems meet strict RTO/RPO regulatory requirements.

Primary Duties and Responsibilities:

To perform this job successfully, an individual must be able to perform each primary duty satisfactorily.

  • Design and execute performance tests using LoadRunner, JMeter, and Gatling across AWS and on-premise environments per established test plans and load profiles

  • Create, maintain, and enhance LoadRunner scripts, test scenarios, and script repositories

  • Analyze performance test results to identify bottlenecks, anomalies, and optimization opportunities; generate findings reports

  • Develop and maintain performance test automation scripts (Python, Java) and integrate regression testing into CI/CD pipelines

  • Create parameterized test data and document test procedures, expected results, and baselines

  • Work with DevOps to set up and validate multi-region test environments

  • Correlate performance results with APM/monitoring platforms (Splunk, Dynatrace, AppDynamics) and generate dashboards and trend analysis

  • Collaborate with development, DevOps, and infrastructure teams on performance requirements and testing plans

  • Execute failover and disaster recovery testing across primary, secondary, and tertiary regions, including applications, databases, Kafka, and middleware

  • Validate RTO/RPO metrics and post-failover performance against SLAs, including compliance with regulatory requirements

  • Test multi-region deployments for replication lag, data consistency, Kafka topic replication, and failover behavior during region switches

  • Document and present test results, trends, and findings to QE leadership

Supervisory Responsibilities:

  • None

Qualifications:

The requirements listed are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the primary functions.

  • 3+ years hands-on experience in performance testing, including executing performance tests with LoadRunner, JMeter, or similar tools

  • 2+ years designing and executing failover/disaster recovery testing in cloud or hybrid environments

  • Proficiency in LoadRunner scripting and test scenario creation, OR strong hands-on experience with JMeter/Gatling

  • Scripting experience in Python or Java for test automation and data generation

  • Experience with AWS cloud environments and understanding of performance implications in cloud-native applications

  • Working knowledge of Kafka and event-driven systems, including producer/consumer testing

  • Hands-on experience with relational databases (SQL Server, Oracle, DB2) and ability to write queries for test data and validation

  • Experience with test automation tools and frameworks for performance regression testing

  • Familiarity with APM/observability platforms (Splunk, Dynatrace, AppDynamics, or similar)

  • Experience with CI/CD pipelines (Jenkins, GitHub, GitLab) and integration of performance tests

  • Proficiency with Linux command-line tools and basic understanding of Linux operating systems

  • Experience with test management and issue tracking tools (Jira, Zephyr, SpiraTest)

  • Experience testing multi-region architectures or distributed systems with performance validation

  • Experience or familiarity with financial systems, clearing, settlement, or highly regulated, low-latency environments

Technical Skills:

  • Performance testing certification (ISTQB Performance Tester, LoadRunner certification, or equivalent)

  • Experience with Kubernetes and containerized application performance testing

  • UC4 (Automic) job scheduling experience

  • API testing experience (Postman, RestAssured)

  • Experience with data pipeline testing (ETL tools, Tableau)

  • AWS certification or cloud architecture knowledge

  • Experience in Options/Futures industry

  • Hands-on experience with Kafka cluster setup, monitoring, and performance tuning

Education and/or Experience:

  • B.S. Degree in Computer Science, Engineering, or equivalent practical experience

  • Strong analytical and problem-solving skills; attention to detail in test execution and result documentation

  • Experience in Agile methodology.

  • Experience in integration of Jira and Test management tool.

  • Strong communication skills, written and oral, analytical abilities, problem solving skills, sound judgment and time management skills.

  • Experience in creating automation scripts.

  • Experience in developing automation frameworks.

  • Experience in developing Jenkins pipelines.

  • Experience in the Options and Futures industry is preferred

Certificates or Licenses:

  • AWS certification or performance engineering certification preferred

About Us

The Options Clearing Corporation (OCC) is the world's largest equity derivatives clearing organization. Founded in 1973, OCC is dedicated to promoting stability and market integrity by delivering clearing and settlement services for options, futures and securities lending transactions. As a Systemically Important Financial Market Utility (SIFMU), OCC operates under the jurisdiction of the U.S. Securities and Exchange Commission (SEC), the U.S. Commodity Futures Trading Commission (CFTC), and the Board of Governors of the Federal Reserve System. OCC has more than 100 clearing members and provides central counterparty (CCP) clearing and settlement services to 19 exchanges and trading platforms. More information about OCC is available at www.theocc.com.

Benefits

A highly collaborative and supportive environment developed to encourage work-life balance and employee wellness. Some of these components include:

  • A hybrid work environment, up to 2 days per week of remote work
  • Tuition Reimbursement to support your continued education
  • Student Loan Repayment Assistance
  • Technology Stipend allowing you to use the device of your choice to connect to our network while working remotely
  • Generous PTO and Parental leave
  • 401k Employer Match
  • Competitive health benefits including medical, dental and vision

Visit https://www.theocc.com/careers/thriving-together for more information.

Compensation

  • The salary range listed for any given position is exclusive of fringe benefits and potential bonuses. If hired at OCC, your final base salary compensation will be determined by factors such as skills, experience and/or education.
  • In addition, we believe in the importance of pay equity and consider internal equity of our current team members as part of any final offer.
  • We typically do not hire at the maximum of the range in order to allow for future and continued salary growth. We also offer a substantial benefits package as noted on www.theocc.com/careers
  • All employees may be eligible for a discretionary bonus. Discretionary bonuses are based on various factors, including, but not limited to, company and individual performance and are not guaranteed.

Salary Range

$86,500.00 - $148,700.00

Incentive Range

6% to 10%

This position is eligible for an annual discretionary incentive compensation award, for which the target range is listed above (see Incentive Range). The amount of such award, if any, will be based on various factors, including without limitation, both individual and company performance.

Step 1
When you find a position you're interested in, click the 'Apply' button. Please complete the application andattach your resume.

Step 2
You will receive an email notification to confirm that we've received your application.

Step 3
If you are called in for an interview, a representative from OCC will contact you to set up a date, time, and location.

For more information about OCC, please click here.

OCC is an Equal Opportunity Employer