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Sr Test Automation Engineer Jobs in Missouri (NOW HIRING)

Test Automation Engineer I

Kansas City, MO · On-site

$45 - $59.25/hr

Americo is hiring a full-time Test Automation Engineer I to join our expanding team! The hours for this position are 8:00 AM - 5:00 PM on site at our Downtown Kansas City, MO location. Overview The ...

Test Automation Engineer I

Kansas City, MO · On-site

$45 - $59.25/hr

Americo is hiring a full-time Test Automation Engineer I to join our expanding team! The hours for this position are 8:00 AM - 5:00 PM on site at our Downtown Kansas City, MO location. Overview The ...

Our partner is looking for a Sr. Test Engineer based in Netherlands. This is a senior QA ... Identify opportunities for test automation and contribute to approaches that support Test Driven ...

This is a senior-level quality engineering role focused on protecting the reliability, correctness ... The role offers ownership of end-to-end quality, from test strategy and automation through ...

Test Automation lead

O Fallon, MO · On-site

$43 - $56.75/hr

Our company provides application analysis, design, development and programming, software ... Test Automation lead using JBehave and selenium framework. * Should have good experience in ...

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Sr Test Automation Engineer information

What is a Sr Test Automation Engineer?

Sr Test Automation Engineers are experienced professionals responsible for designing, developing, and maintaining automated testing frameworks and scripts to ensure the quality of software applications. They lead efforts to automate repetitive testing tasks, analyze test results, and collaborate with developers and QA teams to identify and resolve software defects. Their role often includes mentoring junior team members, selecting appropriate test tools, and contributing to continuous integration and deployment processes. With their advanced technical skills and understanding of software development lifecycles, Sr Test Automation Engineers play a critical role in delivering reliable and high-quality software products.

What are the key skills and qualifications needed to thrive as a Sr Test Automation Engineer?

To thrive as a Sr Test Automation Engineer, you need expertise in software testing methodologies, proficiency in programming languages such as Java or Python, and a strong understanding of automation frameworks, typically backed by a relevant degree or certifications. Familiarity with tools like Selenium, Jenkins, Git, and test management systems is essential for designing and executing automated test suites. Critical thinking, problem-solving abilities, and effective communication are standout soft skills that help in troubleshooting and collaborating across teams. These skills and qualities are crucial for ensuring software quality, improving efficiency, and accelerating the delivery of reliable applications.

How does a Sr Test Automation Engineer typically collaborate with developers and other QA team members on a project?

As a Sr Test Automation Engineer, collaboration is a key part of the role. You will regularly work with software developers to understand application requirements, clarify acceptance criteria, and ensure that automated tests are aligned with development goals. Additionally, you’ll partner closely with other QA engineers to design shared test frameworks, conduct code reviews, and coordinate on test coverage. Strong communication and teamwork are essential, as you’ll often participate in sprint planning meetings, daily stand-ups, and defect triage sessions to maintain high software quality throughout the development cycle.

What is the difference between Sr Test Automation Engineer vs Test Automation Engineer?

CriteriaSr Test Automation EngineerTest Automation Engineer
Required CredentialsBachelor's degree in CS or related field; experience in automation toolsBachelor's degree in CS or related field; some experience in automation tools
Work EnvironmentSenior-level projects, mentoring, complex automation tasksEntry to mid-level automation tasks, assisting in testing
Employer & Industry UsageTech companies, software firms, QA teamsStartups, small to medium enterprises, QA teams

The main difference between a Sr Test Automation Engineer and a Test Automation Engineer lies in experience, project complexity, and responsibilities. The senior role involves leading automation efforts, mentoring juniors, and handling complex test scenarios, while the standard role focuses on executing automation tasks and supporting testing processes.

What are popular job titles related to Sr Test Automation Engineer jobs in Missouri?

For Sr Test Automation Engineer jobs in Missouri, the most frequently searched job titles are:

What cities in Missouri are hiring for Sr Test Automation Engineer jobs?

Cities in Missouri with the most Sr Test Automation Engineer job openings:

Infographic showing various Sr Test Automation Engineer job openings in Missouri as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 9% Part Time, 2% Contract, and 1% Nights. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution.

Senior Test Automation Engineer

Enterprise Holdings

Saint Louis, MO

Full-time

Medical, Retirement, PTO

Re-posted 18 days ago


Enterprise Holdings rating

7.1

Company rating: 7.1 out of 10

Based on 268 frontline employees who took The Breakroom Quiz

118th of 176 rated vehicle equipment hire


Job description

Overview

Enterprise Mobility is a leading provider of mobility solutions, owning and operating the Enterprise Rent-A-Car, National Car Rental and Alamo Rent A Car brands through its integrated global network of independent regional subsidiaries. Enterprise Mobility and its affiliates offer extensive car rental, carsharing, truck rental, fleet management, retail car sales, as well as travel management and other transportation services, to make travel easier and more convenient for customers.  

Privately held by the Taylor family of St. Louis, Enterprise Mobility together with its affiliate Enterprise Fleet Management manages a diverse fleet of 2.4 million vehicles and accounted for nearly $39 billion in revenue through a network of more than 9,500 fully-staffed neighborhood and airport rental locations in more than 90 countries and territories. 

At the center of it all, our dedicated IT teams innovate, design and develop the technology that is redefining how customers rent, buy and share vehicles from our family of brands. Here, you will be part of a diverse and talented team that creates and delivers powerful technology solutions for our customers and employees across the world with the resources and support to develop in a variety of career paths.

As an Enterprise Mobility team member, we offer an excellent package with market-competitive pay, comprehensive healthcare packages, 401k matching & profit sharing, schedule flexibility, work from home opportunities, paid time off, and organizational growth potential.

This position is eligible for a hybrid work schedule, which includes the ability to work from home, while also requiring to be in person as needed at our Lakeside and/or Clayton Corporate HQ campus locations in St. Louis, Missouri.

We are committed to a fair and transparent hiring process. Candidates should expect identity verification, video interviews, technical validation of skills, and verification of employment, education, and work authorization. Falsification of information, proxy interviewing, or misrepresentation of experience or location will result in disqualification.

Responsibilities

The Renter Solutions department has an exciting opportunity for an Senior Test Automation Engineer. The Renter Solutions department is responsible for the retention and maintenance of driver and loyalty profile information for Enterprise Mobility customers, and making this data securely available to other services, solutions, and third-party vendors.Renter Solutions applications are critical to the rental booking and fulfillment processes across our operations globally. We work closely with our business stakeholders from around the globe, for all our brands, to make enhancements to our applications and to stay ahead in our ever-evolving global operations. This is an exciting time to join the Renter Solutions team as our roadmap includes API evolution and modernization of our driver and loyalty programs, in addition to supporting business capabilities around core pillars of our company strategy. 

As an Senior Test Automation Engineer, you will play a key role in both manual and automated testing, responsible for ensuring software quality throughout the development lifecycle. This role involves analyzing requirements, designing, and executing manual test plans and test cases, identifying and tracking defects, performing root cause analysis, and coordinating retesting efforts to validate fixes. Additionally, the position focuses on developing, maintaining, and executing automated test scripts, expanding automation coverage, troubleshooting automation issues, and contributing to automation strategy and framework improvements. Working closely with cross-functional teams in an Agile environment, you will participate in sprint planning, provide effort estimates, support code reviews, and drive continuous quality improvements to deliver reliable, high-quality software products.

Key Responsibilities:

  • Analyze business and technical requirements to develop test strategies, create test schedules, provide effort estimates, and define comprehensive test cases.
  • Participate in design and requirements review sessions to ensure quality considerations are incorporated early in the development lifecycle.
  • Create, maintain, and execute detailed manual test plans and test scenarios based on functional and technical requirements.
  • Perform manual testing including functional, integration, database, regression, and exploratory testing within an Agile environment.
  • Design, develop, and maintain automated test frameworks and test suites for both API/Web Services and UI testing.
  • Validate application functionality, identify defects, document test results, and assess associated risks.
  • Manage defects throughout their lifecycle, working closely with development teams to analyze root causes and drive timely resolution.
  • Collaborate with developers to troubleshoot issues, reproduce defects, and verify fixes to ensure software quality and stability.
  • Assist with or lead deployments to non-production environments and support testing activities across multiple environments.
  • Coordinate with cross-functional and cross-system teams to address integration testing challenges and ensure end-to-end system quality.
  • Provide recommendations to improve testing processes, automation coverage, application testability, and overall quality of deliverables.
  • Contribute to Agile ceremonies, including sprint planning, estimation, and continuous improvement initiatives.

Knowledge, Skills, and Abilities:

 

  • Self-motivated with a strong work ethic and results-driven mindset.
  • Strong communication skills, with the ability to communicate in a clear, concise manner and effectively interact with the application development team in test progress, risks, and defect resolution.
  • Ability to be flexible with changing priorities and requirements.
  • Must be able to work independently with limited supervision.
  • Ability to assess and evaluate quality assurance test requirements to determine scope of functionality to be covered by the automated testing suite.
  • Must have the ability to effectively collaborate and work with others in a remote work environment.
  • Ability to test a multi-application suite with internal and external integration points.
  • Strong analytical and problem-solving skills along with strong attention to detail

Equal Opportunity Employer/Disability/Veterans

Qualifications

Required:

  • Must be presently authorized to work in the U.S. without a requirement for work authorization sponsorship by our company for this position now or in the future
  • Must reside in St. Louis, Missouri, or immediate surrounding area
  • Must be committed to incorporating security into all decisions and daily job responsibilities
  • 3+ years of experience designing, developing, executing, and maintaining automated test cases using tools like Karate
  • Experience with Manual API testing using tools like Postman
  • Experience writing and executing SQL queries for validation and testing
  • Demonstrated knowledge of source control methodologies and proficiency in tools such as Git or Bitbucket
  • Experience with working in an Agile/Scrum development environment in sprint teams, using tools such as Jira, Zephyr, and Confluence.

Preferred:

  • Bachelor's degree in Computer Science, Computer Information Systems, Management Information Systems, or related field preferred
  • Hands-on experience with automation frameworks and tools such as Selenium and Playwright and BDD frameworks (e.g., Cucumber)
Employment Type: FULL_TIME

What Enterprise Holdings employees say

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