Performance Engineer Jobs in Missouri
Performance Engineer jobs in Missouri draw steady demand across automotive testing, infrastructure systems, and defense contracting, with openings ranging from early-career to senior engineering leads. Kansas City, St. Louis, and Columbia anchor most of the hiring activity, where established employers like Boeing, Emerson Electric, and Burns & McDonnell maintain deep engineering workforces that regularly include performance engineering roles. Load testing and reliability engineering are among the most consistently sought specialties statewide. Find a role that fits below and apply directly.
Find Performance Engineer JobsOverview
Showing 5 of 5+ Performance Engineer jobs
Looking for more performance engineer jobs?
Explore related role searches to find more openings that fit.
See related jobsAbout the role
As a Lead Performance Test Engineer, you will make an impact by leading and executing performance engineering initiatives for complex enterprise and cloud-native applications. This is a hands-on technical role requiring deep expertise in performance testing, automation, cloud platforms, observability, and application resiliency.
You will collaborate with development, architecture, platform engineering, DevOps, and Site Reliability Engineering teams to establish performance standards, implement automated quality gates, identify system bottlenecks, and improve application scalability and operational readiness.
In this role, you will:
Design and execute performance, load, stress, endurance, scalability, and capacity-testing strategies for enterprise applications, APIs, and cloud-based services.
Build and maintain automated performance-testing frameworks using NeoLoad and custom performance engineering solutions.
Integrate performance testing into CI/CD pipelines using GitLab CI/CD or comparable automation platforms, including performance thresholds and quality gates.
Analyze applications, database, infrastructure, network, and cloud performance to identify bottlenecks and provide actionable optimization recommendations.
Use AWS services and observability platforms such as CloudWatch, Dynatrace, Splunk, Grafana, and Prometheus to troubleshoot complex performance issues.
Plan and execute Chaos Engineering and resiliency-testing exercises to evaluate fault tolerance, recovery capabilities, and operational readiness.
Develop automation utilities using Python, Java, SQL, APIs, and scripting languages to improve testing efficiency and reduce manual effort.
Partner with technical and business stakeholders to define performance KPIs, engineering standards, capacity requirements, and performance-improvement plans.
Work model
We strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a Remote position open to qualified applicants in the United States for the duration of the assignment. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you are engaged in, as well as business and client requirements. Rest assured, we will always be clear about role expectations.
What you need to have to be considered
At least 10 years of hands-on experience in performance testing, performance engineering, or non-functional testing for enterprise applications.
Hands-on expertise with NeoLoad or a comparable enterprise performance testing tool, including test design, workload modeling, execution, analysis, and reporting.
Experience integrating automated performance tests into CI/CD pipelines using GitLab CI/CD or similar automation platforms.
Hands-on experience with AWS cloud services and cloud-native architectures, including services such as EC2, ECS, EKS, Lambda, RDS, S3, and CloudWatch.
Programming and scripting experience using Python, Java, SQL, and shell scripting, including experience testing REST APIs, microservices, and distributed systems.
Experience diagnosing performance issues across application, database, infrastructure, network, and cloud layers using observability tools such as Dynatrace, AppDynamics, Splunk, Grafana, Prometheus, or Elastic Stack.
Experience working with containerized environments and orchestration platforms such as Kubernetes, Docker, OpenShift, ECS, or EKS.
Strong communication, collaboration, and stakeholder-management skills, with the flexibility to support planned production testing during off-hours or weekends when required.
These will help you stand out
Experience designing and implementing Chaos Engineering, resiliency-testing, or disaster-recovery validation programs.
Knowledge of Site Reliability Engineering principles, operational excellence practices, service-level objectives, and performance-based quality gates.
Experience with capacity planning, scalability analysis, production-readiness assessments, and cloud-cost optimization.
Experience developing reusable performance engineering frameworks, accelerators, or custom automation utilities.
Exposure to AI-driven performance analysis, anomaly detection, root-cause analysis, predictive capacity planning, or intelligent test automation.
We’re excited to meet people who share our mission and can make an impact in a variety of ways. Don’t hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.
Salary and Other Compensation
The annual salary for this position is between $83,250 to $132,000 depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.
Benefits
- Medical/Dental/Vision/Life Insurance
- Paid holidays plus Paid Time Off
- 401(k) plan and contributions
- Long-term/Short-term Disability
- Paid Parental Leave
- Employee Stock Purchase Plan
Cognizant will only consider applicants for this position who are legally authorized to work in the United States without company sponsorship.
*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*
About the role
As a Lead Performance Test Engineer, you will make an impact by leading and executing performance engineering initiatives for complex enterprise and cloud-native applications. This is a hands-on technical role requiring deep expertise in performance testing, automation, cloud platforms, observability, and application resiliency.
You will collaborate with development, architecture, platform engineering, DevOps, and Site Reliability Engineering teams to establish performance standards, implement automated quality gates, identify system bottlenecks, and improve application scalability and operational readiness.
In this role, you will:
Design and execute performance, load, stress, endurance, scalability, and capacity-testing strategies for enterprise applications, APIs, and cloud-based services.
Build and maintain automated performance-testing frameworks using NeoLoad and custom performance engineering solutions.
Integrate performance testing into CI/CD pipelines using GitLab CI/CD or comparable automation platforms, including performance thresholds and quality gates.
Analyze applications, database, infrastructure, network, and cloud performance to identify bottlenecks and provide actionable optimization recommendations.
Use AWS services and observability platforms such as CloudWatch, Dynatrace, Splunk, Grafana, and Prometheus to troubleshoot complex performance issues.
Plan and execute Chaos Engineering and resiliency-testing exercises to evaluate fault tolerance, recovery capabilities, and operational readiness.
Develop automation utilities using Python, Java, SQL, APIs, and scripting languages to improve testing efficiency and reduce manual effort.
Partner with technical and business stakeholders to define performance KPIs, engineering standards, capacity requirements, and performance-improvement plans.
Work model
We strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a Remote position open to qualified applicants in the United States for the duration of the assignment. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you are engaged in, as well as business and client requirements. Rest assured, we will always be clear about role expectations.
What you need to have to be considered
At least 10 years of hands-on experience in performance testing, performance engineering, or non-functional testing for enterprise applications.
Hands-on expertise with NeoLoad or a comparable enterprise performance testing tool, including test design, workload modeling, execution, analysis, and reporting.
Experience integrating automated performance tests into CI/CD pipelines using GitLab CI/CD or similar automation platforms.
Hands-on experience with AWS cloud services and cloud-native architectures, including services such as EC2, ECS, EKS, Lambda, RDS, S3, and CloudWatch.
Programming and scripting experience using Python, Java, SQL, and shell scripting, including experience testing REST APIs, microservices, and distributed systems.
Experience diagnosing performance issues across application, database, infrastructure, network, and cloud layers using observability tools such as Dynatrace, AppDynamics, Splunk, Grafana, Prometheus, or Elastic Stack.
Experience working with containerized environments and orchestration platforms such as Kubernetes, Docker, OpenShift, ECS, or EKS.
Strong communication, collaboration, and stakeholder-management skills, with the flexibility to support planned production testing during off-hours or weekends when required.
These will help you stand out
Experience designing and implementing Chaos Engineering, resiliency-testing, or disaster-recovery validation programs.
Knowledge of Site Reliability Engineering principles, operational excellence practices, service-level objectives, and performance-based quality gates.
Experience with capacity planning, scalability analysis, production-readiness assessments, and cloud-cost optimization.
Experience developing reusable performance engineering frameworks, accelerators, or custom automation utilities.
Exposure to AI-driven performance analysis, anomaly detection, root-cause analysis, predictive capacity planning, or intelligent test automation.
We’re excited to meet people who share our mission and can make an impact in a variety of ways. Don’t hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role.
Salary and Other Compensation
The annual salary for this position is between $83,250 to $132,000 depending on experience and other qualifications of the successful candidate.
This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.
Benefits
- Medical/Dental/Vision/Life Insurance
- Paid holidays plus Paid Time Off
- 401(k) plan and contributions
- Long-term/Short-term Disability
- Paid Parental Leave
- Employee Stock Purchase Plan
Cognizant will only consider applicants for this position who are legally authorized to work in the United States without company sponsorship.
*Please note, this role is not able to offer visa transfer or sponsorship now or in the future*
See All 5 Performance Engineer Jobs in Missouri
Find roles in Missouri that match your experience and apply in just a few clicks.
Find Performance Engineer JobsPerformance Engineer Jobs by City in Missouri
Where Missouri roles are concentrated, by current openings.
Performance Engineer Job Market in Missouri
A snapshot from current Missouri openings, updated as new roles post.
Who's Hiring
Top Industries Hiring
- Consulting & Professional Services
What Missouri Employers Look For
The qualifications that appear most often in performance engineer jobs across Missouri.
- Bachelor's degree in mechanical, electrical, civil, or systems engineering required
- Proficiency in performance testing tools such as LoadRunner, JMeter, or Dynatrace
- Experience developing and executing test plans for system or application performance
- Ability to analyze performance metrics and communicate findings to engineering and product teams
- Familiarity with CI/CD pipelines and integrating performance tests into automated build workflows
- Professional Engineer licensure through the Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Geologists preferred for infrastructure roles
Performance Engineer Jobs in Missouri: Frequently Asked Questions
How do you become a performance engineer in Missouri?
Most performance engineer roles in Missouri require at minimum a bachelor's degree in mechanical, electrical, civil, or systems engineering. For roles in infrastructure or civil systems, licensure as a Professional Engineer through the Missouri Board for Architects, Professional Engineers, Professional Land Surveyors and Professional Geologists strengthens candidacy significantly. Software-focused performance engineers typically build toward certification in tools like those offered through testing and DevOps vendors rather than pursuing a state license.
Which companies hire performance engineers in Missouri?
Missouri performance engineer roles are posted by Burns & McDonnell, Wipro, and Cognizant and others right now, based on current listings on Migrate Mate as of October 2026. Missouri's combination of defense contracting, utilities, and manufacturing creates consistent demand across multiple employer types throughout the state.
Which Missouri cities have the most performance engineer jobs?
Kansas City, O'Fallon, and St. Louis account for the largest share of performance engineer openings in Missouri. St. Louis and Kansas City drive the bulk of demand through their dense concentrations of aerospace, defense, and engineering services firms, while Columbia attracts openings tied to university research operations and regional technology employers.
Are there remote performance engineer jobs in Missouri?
Yes, and more than many engineering specialties, since performance engineering work centered on software systems and data analysis translates well to distributed teams. About 100% of performance engineer openings tied to Missouri are remote or hybrid as of October 2026, reflecting the role's analytical nature. Positions focused on physical testing environments or on-site infrastructure typically require in-person presence.
How can I get hired as a performance engineer in Missouri with little or no experience?
The most realistic entry path is landing a junior or associate engineer role at a Missouri employer that invests in structured development programs, such as Boeing's early career engineering pipeline in St. Louis or Emerson Electric's engineering rotational programs in the Kansas City area. Candidates without direct performance engineering experience often move in from adjacent roles in quality assurance, systems testing, or site reliability. A strong portfolio of load or stress testing projects and familiarity with tools like JMeter or Gatling gives applicants without professional experience a concrete edge.
Where can I find and apply to performance engineer jobs in Missouri?
You can find and apply to performance engineer jobs in Missouri on Migrate Mate, which lists current Missouri openings from employers actively hiring right now. Find roles that fit your background and apply directly to the ones that match.
See All 5 Performance Engineer Jobs in Missouri
Find roles in Missouri that match your experience and apply in just a few clicks.
Find Performance Engineer Jobs