Lead Quality Assurance Engineer

Work Schedule Standard (Mon-Fri) Environmental Conditions Office Job Description 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, where you'll help develop and test software for scientific instruments and laboratory solutions. As a Software Test Engineer III, you'll ensure the quality and reliability of our software products through comprehensive testing strategies. Working in an adaptable environment, you'll collaborate with teams to validate software for mass spectrometers, electron microscopes, and other analytical instruments that help make the world healthier, cleaner, and safer.

You'll participate in all phases of the software development lifecycle, from requirements analysis through final release. Your role includes designing and executing test plans, automating test procedures, documenting defects, and verifying resolutions. You'll work closely with developers, product owners, and stakeholders to ensure our software meets the highest quality standards while supporting continuous improvement in our testing processes.

Role Overview We are looking for a highly experienced Lead Quality Assurance Engineer with 6–15 years of software testing and quality assurance experience, with strong expertise in functional testing, regression testing, test case design, defect management, and User Acceptance Testing (UAT) support . The role also requires strong hands-on test automation expertise, including Squish GUI Tester for desktop GUI automation and Playwright with Python/Pytest for web, end-to-end, and regression automation.

The ideal candidate should have extensive experience validating complex enterprise applications, defining comprehensive test strategies, managing test execution, and ensuring high-quality product releases. The candidate will work closely with product owners, business analysts, developers, UX teams, and other stakeholders to ensure that software solutions meet functional, business, and quality requirements.

The candidate should be able to define and evolve maintainable automation frameworks, select appropriate automation coverage, and integrate automated regression suites into CI/CD workflows. Key Responsibilities Lead and execute functional testing activities for complex software applications and business workflows. Define test approaches, test scenarios, and detailed test cases based on functional and business requirements.

Perform comprehensive regression testing to ensure that application changes do not impact existing functionality. Review requirements, user stories, acceptance criteria, and design specifications to identify test scenarios and potential gaps. Develop and maintain reusable manual and automated test cases, test suites, test data, and traceability between requirements and tests. Design, develop, and maintain automated GUI tests using Squish GUI Tester for desktop applications, including robust object identification, synchronization, reusable components, and data-driven execution.

Design, develop, and maintain end-to-end browser automation using Playwright with Python and Pytest for web application workflows. Build and evolve maintainable Pytest-based automation frameworks using fixtures, parametrization, markers, reusable utilities, page-object/component patterns, and clear test reporting. Integrate automated regression suites into CI/CD pipelines, support headless and parallel execution where appropriate, and an