Performance testing jobs in Collinsville, IL, USA

4150 results (101 new)

Experienced Systems Engineer

Hazelwood, Missouri

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Today

Job Description At Boeing, we innovate and collaborate to make the world a better place. We?re committed to fostering an environment for every teammate that?s welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. Boeing Defense, Space & Security (BDS) is seeking Experienced Systems Engineers (Level 3) to join a cross?functional team supporting an Air Dominance proprietary program. This fully onsite role in Hazelwood, MO will focus on requi

Full-time

Compensation information provided in the description

Lead Performance Tester - Mississauga, ON (REMOTE)

Remote or Hybrid in Mississauga, Ontario

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5d ago

Lead end-to-end performance engineering activities including test strategy workload modelling test planning scripting execution monitoring analysis reporting and signoff recommendations across multiple applications and programsOwn PT delivery execution and daily delivery governance ensuring all commitments are delivered within agreed timelines meeting project standards and client expectations while proactively identifying and mitigating delivery risksEnsure to prerequisites of priority delivery

Easy Apply

Full-time

Depends on Experience

Mid-Level Test Engineer

Maryville, Illinois

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Today

Description Job Description: Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting an Intelligence Community customer. This is an opportunity to work alongside talented engineers, software developers, product managers, and mission experts to build innovative geospatial intelligence capabilities that enable critical national security missions. If you'

Full-time

USD 87,100.00 - 157,450.00 per year

Mid-Level Test Engineer

East St. Louis, Illinois

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Today

Description Job Description: Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting an Intelligence Community customer. This is an opportunity to work alongside talented engineers, software developers, product managers, and mission experts to build innovative geospatial intelligence capabilities that enable critical national security missions. If you'

Full-time

USD 87,100.00 - 157,450.00 per year

Mid-Level Test Engineer

Glen Carbon, Illinois

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Today

Description Job Description: Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting an Intelligence Community customer. This is an opportunity to work alongside talented engineers, software developers, product managers, and mission experts to build innovative geospatial intelligence capabilities that enable critical national security missions. If you'

Full-time

USD 87,100.00 - 157,450.00 per year

Mid-Level Test Engineer

Belleville, Illinois

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Today

Description Job Description: Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting an Intelligence Community customer. This is an opportunity to work alongside talented engineers, software developers, product managers, and mission experts to build innovative geospatial intelligence capabilities that enable critical national security missions. If you'

Full-time

USD 87,100.00 - 157,450.00 per year

Mid-Level Test Engineer

St. Louis, Missouri

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Today

Description Job Description: Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting an Intelligence Community customer. This is an opportunity to work alongside talented engineers, software developers, product managers, and mission experts to build innovative geospatial intelligence capabilities that enable critical national security missions. If you'

Full-time

USD 87,100.00 - 157,450.00 per year

Mid-Level Test Engineer

Roxana, Illinois

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Today

Description Job Description: Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting an Intelligence Community customer. This is an opportunity to work alongside talented engineers, software developers, product managers, and mission experts to build innovative geospatial intelligence capabilities that enable critical national security missions. If you'

Full-time

USD 87,100.00 - 157,450.00 per year

Mid-Level Test Engineer

Hartford, Illinois

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Today

Description Job Description: Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting an Intelligence Community customer. This is an opportunity to work alongside talented engineers, software developers, product managers, and mission experts to build innovative geospatial intelligence capabilities that enable critical national security missions. If you'

Full-time

USD 87,100.00 - 157,450.00 per year

Mid-Level Test Engineer

Florissant, Missouri

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Today

Description Job Description: Are you passionate about delivering high-quality software that directly supports our nation's security? Leidos is seeking an experienced Mid-Level Test Engineer to join the Chinook Program supporting an Intelligence Community customer. This is an opportunity to work alongside talented engineers, software developers, product managers, and mission experts to build innovative geospatial intelligence capabilities that enable critical national security missions. If you'

Full-time

USD 87,100.00 - 157,450.00 per year

Senior Software Development Engineer in Test (SDET)

St. Louis, Missouri

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5d ago

Job Description SDET Engineers are involved in requirements analysis, test planning, writing test cases/scripts, test case automation, and execution of all testing (which may include application integration, system, system/network integration, performance testing and acceptance testing) required to ensure that the software is of the highest quality. After the project is released to production, these teammates are also involved to providing support to our internal customer, the technical operatio

Full-time

Automation Test Lead with Healthcare domain

Remote

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9d ago

Job Description: Automation Leadership Design and implement scalable test automation frameworks using C#, Selenium, and open-source tools. Lead automation strategy across UI, API, and integration testing layers. Establish reusable automation components and best practices. Drive migration from legacy tools to open-source automation solutions. Mentor QA engineers and enforce coding/testing standards. Performance Testing & Engineering Plan and execute performance testing using LoadRunner. Design

Easy Apply

Full-time

Up to $90,000

Performance Engineering Lead (Google Cloud Platform)

Remote

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13d ago

Performance focus SummaryThe Performance Lead will providetechnical strategyand solutions to ensure theOneViewremains highly responsive for DaVita physicians. This individual will act as a subject matter expert for our Google Cloud Platform environment, identifying bottlenecks in response times (patient data retrieval, microservices, and databases) to ensure a frictionless rounding experience. Essential Duties & Responsibilities Technical Strategy:Define and lead the technical strategy for cloud

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Full-time

Depends on Experience

Salesforce Performance Tester- Remote Work

Remote

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Today

Job Title: Salesforce Performance Tester Location: Remote Work Description: Required Experience: 8+ years of hands-on performance testing experience, with at least 4 years of Salesforce performance testing experience.Hands on experience working and understanding large, complex Salesforce projects, with proficiency in navigating Salesforce and comprehensive understanding of Salesforce terminology.Expertise in QA Test management on Salesforce, including functional and non-functional testing, and e

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Contract

Depends on Experience

Salesforce Performance Tester

Remote

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26d ago

Job Title: Salesforce Performance Tester Remote Responsibilities Evaluate and ensure the scalability, reliability, and responsiveness of Salesforce applications across multiple environments.Develop and execute performance test strategies specific to Salesforce applications on Service Cloud and Experience Cloud.Build and run performance test scripts using tools such as JMeter, LoadRunner, etc.Simulate user loads for Salesforce UI, Experience Cloud portals, API integrations, and batch/async proces

Easy Apply

Contract

$150000

IT & Cloud Support Analyst I - Paid Training Program

St. Louis, Missouri

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Today

Description Location: Onsite 5 days/week in St. Louis, MO until training is complete, then hybrid work model Job type: Contract-to-hire Company: The name of our partner organization will be disclosed during the interview process. This is not a direct role with LaunchCode; it is a position through LaunchCode, working with one of our partner companies. Disclaimer: We are unable to provide work sponsorship for this role. We are unable to consider candidates for this role who have a current or f

Full-time

USD 24.46 - 33.60 per hour

Commissioning Engineer & Mechanical Project Manager (Specialized Critical Facilities) - Enterprise Physical Operations

St. Louis, Missouri

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Today

Location ST. LOUIS, MO 63110Scheduled Hours 40 Position Summary The Commissioning Engineer and Mechanical Project Manager is responsible for managing and leading the verification and validation of critical infrastructure systems within specialized facilities, including clean rooms, compounding pharmacies, and BSL3 labs. This role ensures that all systems perform precisely as designed and meet stringent operational and regulatory standards, bridging the gap between design, construction, and oper

Full-time

USD 84,200.00 - 148,500.00 per year

Experienced Systems Engineer

Hazelwood, Missouri

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Today

Experienced Systems Engineer Company: The Boeing Company Boeing Defense, Space & Security (BDS) is seeking Experienced Systems Engineers (Level 4) to join a cross-functional team supporting an Air Dominance proprietary program. This fully onsite role in Hazelwood, MO will focus on requirements development, leading suppliers through design and component qualification, and system-level analysis and qualification for a high-reliability emergency egress system. BDS Proprietary programs develop co

Full-time

USD 112,200.00 - 151,800.00 per year

Commissioning Manager, Data Centers

Richmond Heights, Missouri

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Yesterday

ABOUT YOU Ready to experience a better way to build your career? ARCO hires only the best and brightest dedicated to providing our clients with superior solutions, cultivating our award-winning workplace culture, and driving success at all levels of the business. We are looking for a Commissioning Manager for our mission-critical data center projects. Because ARCO is committed to creating opportunities for individual success, from day one, you will be given the tools to excel in your role, take

Full-time

Software Development Engineer II - CI/CD & Platform Automation (Mission-Focused)

St. Louis, Missouri

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Today

Overview Help build and scale the deployment platforms that power mission critical software. As a Software Development Engineer II focused on CI/CD and platform automation, you will design and implement tools, pipelines, and automation frameworks that enable reliable, secure, and scalable software delivery across enterprise environments. You will work on systems that support continuous integration, automated testing, infrastructure provisioning, and deployment at scale, ensuring that mission

Full-time

USD 97,240.00 - 162,240.00 per year