Sr Software QA Engineer, Test Automation

Sr Software QA Engineer, Test Automation

Job Category
:
Engineering

Requisition Number
: SRSOF
002230

• Posted :
  August 13, 2026
• Full-Time

Showing 1 location

Trans Core (TRN), a subsidiary of ST Engineering, is seeking a talented Sr Software QA Engineer, Test Automation to join our shared Software QA Automation team in Round Rock, Texas.

Summary

We are seeking a Sr. QA Test Automation Engineer to join the shared QA Automation team and support automation coverage across the Smart Mobility platform, with primary focus on Web UI automation, API automation, backend validation, cloud/platform testing, integration testing, performance testing, and CI/CD execution. This role will help define scalable automation practices across Smart Mobility solutions and validate end-to-end quality across web portals, services, cloud-native components, and downstream transaction systems.

Essential Duties and Responsibilities
Include the following. Other duties may be assigned.

• Design, develop, and maintain scalable automation frameworks for Web UI, API, database validation, and integration testing.
• Build reusable automation components, utilities, reporting, test data handling, and execution standards.
• Perform backend data validation, SQL checks, transaction reconciliation, and end-to-end integration validation.
• Test event-driven, distributed, and cloud-native services across the Smart Mobility platform.
• Design and execute performance, load, scalability, and reliability tests for cloud-based services.
• Establish performance baselines for APIs, backend services, and transaction processing.
• Coordinate with Dev Ops engineers to integrate API, web, smoke, regression, and integration automation suites into CI/CD pipelines.
• Participate in sprint planning, backlog grooming, requirements reviews, and design discussions to identify quality risks early.
• Support shift-left testing, automation-first delivery, and Test-Driven Development practices.
• Create dashboards, automation reports, and quality metrics for release readiness.
• Track automation coverage, pass/fail trends, defect leakage, flaky tests, performance baselines, and release risks.
• Support defect triage, bug fix validation, targeted regression testing, UAT, post-release smoke testing, and production validation.
• Help define automation standards, framework direction, test architecture, and automation best practices across Smart Mobility solutions.

Requirements and Qualifications
To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below represent the knowledge, skill, and/or ability required.

• Bachelor’s degree in Computer Science, Information Technology, Engineering, or related field.
• 8-12 years of QA experience, with strong automation engineering background.
• Strong hands-on experience building and maintaining test automation frameworks from scratch.
• Strong experience with Web UI automation and API automation, preferably using Playwright, Selenium, Cypress, REST-assured, Postman/Newman, or similar tools.
• Experience with backend validation, SQL/data validation, integration testing, and transaction reconciliation.
• Experience testing event-driven, distributed, or cloud-native applications.
• Experience with Git, branching strategies, CI/CD pipelines, and automated test execution.
• Strong understanding of Agile/Scrum practices, SDLC, QA methodologies, debugging, troubleshooting, and automation best practices.

Preferred Qualifications

• Mobile test automation experience across iOS and Android is preferred, including tools such as Appium, Espresso, XCUITest, Maestro, or similar.
• Experience with performance tools such as JMeter, k6, Gatling, Locust, or similar.
• Exposure to observability, logs, metrics, tracing,…