Work Schedule Standard (Mon-Fri) Environmental Conditions Office As part of the Thermo Fisher Scientific team, you’ll discover meaningful work that makes a positive impact on a global scale. Join our colleagues in bringing our Mission to life every single day to enable our customers to make the world healthier, cleaner and safer. We provide our global teams with the resources needed to achieve individual career goals while helping to take science a step beyond by developing solutions for some of the world’s toughest challenges, like protecting the environment, making sure our food is safe or helping find cures for cancer. DESCRIPTION: Join our team at Thermo Fisher Scientific and help make the world healthier, cleaner, and safer through innovative software solutions. As a Sr Test Automation Engineer, you'll work on next-generation cloud-based architectures and platforms, ensuring the quality and reliability of our scientific software products. You'll collaborate with teams to design, develop, and maintain comprehensive test automation frameworks while driving adoption of best practices across the organization. This role offers opportunities to work with advanced technologies in cloud computing, laboratory automation, and scientific instrumentation, directly impacting research and healthcare outcomes worldwide. Key Responsibilities:

• Design, develop, and maintain scalable and reliable automated test frameworks across UI, API, and performance layers.
• Build and execute API, UI, and performance tests using automation frameworks like Selenium, Playwright, Appium, Rest Assured, or JMeter.
• Apply BDD (e.g., Cucumber) or TDD approaches with maintainable and reusable test design patterns
• Integrate automated testing into CI/CD pipelines, ensuring fast and reliable feedback
• Improve test reliability by reducing flakiness and optimizing execution time
• Enable parallel test execution and environment scalability
• Ensure end-to-end test coverage by creating and maintaining comprehensive test cases, test plans, and test scripts.
• Perform exploratory and risk-based testing to uncover complex defects and conduct root cause analysis and deep debugging of failures and defects
• Analyze logs, data, and system behavior to identify hidden quality risks
• Validate end-to-end workflows and complex integrations
• Identify, document, and track defects using JIRA, Azure DevOps, or similar tools.
• Collaborate with developers to improve testability and code quality
• Write clean, maintainable, and scalable automation code following engineering best practices
• Perform database validation using SQL/NoSQL

Required Qualifications:

• Education: Bachelor's or master's degree in computer science, Engineering, or related field.
• Experience 8+ years of experience in software testing, test automation, and QA processes.
• Proficiency in programming languages such as Java, Typescript, JavaScript, or C#
• Hands-on experience with automation frameworks (e.g., Playwright, Selenium, Appium)
• Experience with API testing (REST Assured, Postman, etc.)
• Strong debugging, analytical, and problem-solving skills
• Experience with CI/CD pipelines and modern development practices
• Proficiency in database testing using SQL queries.
• Must be legally authorized to work in the United States without sponsorship.
• Must be able to pass a comprehensive background check, which includes a drug screening.

Preferred Qualifications

• Experience with cloud platforms (AWS, Azure, GCP)
• Exposure to performance testing tools (JMeter, Gatling)