Engineer III, Software Test
Confirmed on the employer's own hiring board on Nov 2, 2026. First seen by Alion on Oct 28, 2026. Thermo Fisher Scientific scores B on the Alion truth index.
Work Schedule
Standard (Mon-Fri)Environmental Conditions
OfficeJob Description
Engineer III, Software TestAs 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 day by enabling our customers to make the world healthier, cleaner and safer.
Position Summary
We are seeking an Engineer III - Software Development Engineer in Test (SDET) with strong hands-on experience in Python, Playwright, and pytest to develop reliable and scalable test automation solutions.
This is a hands-on engineering role focused on test automation, API testing, debugging, and CI/CD integration. Python and Playwright are the primary technologies, with Java and Selenium used to support existing automation solutions.
You will work closely with software development, product, DevOps, and quality engineering teams to improve software quality and delivery efficiency.
Key Responsibilities
* Design, develop, and maintain test automation frameworks using Python, pytest, and Playwright.
* Develop automated tests for web applications, APIs, integration scenarios, and end-to-end workflows.
* Translate requirements and acceptance criteria into reliable and maintainable automated tests.
* Develop reusable automation components, utilities, fixtures, and test-data solutions.
* Maintain and enhance existing Java and Selenium automation as needed.
* Integrate automated tests into CI/CD pipelines and improve automated quality feedback.
* Analyze test failures, application logs, and automation issues to identify and troubleshoot defects.
* Participate in technical discussions, code reviews, defect analysis, and automation improvements.
* Independently own automation for assigned features and identify opportunities to improve test coverage and reliability.
* Collaborate with cross-functional engineering teams and share technical knowledge with other engineers.
Education and Experience
* Bachelor’s degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
* 6-10 years of experience in software engineering, SDET, quality engineering, or test automation.
Core Competencies
* Strong programming skills in Python, with hands-on experience in Playwright and pytest.
* Experience designing and developing scalable and maintainable test automation frameworks.
* Strong experience with API, integration, and end-to-end test automation.
* Working knowledge of Java and Selenium for supporting existing automation.
* Good understanding of object-oriented programming, automation design principles, and engineering best practices.
* Experience with CI/CD pipelines, Git, debugging, and root cause analysis.
* Strong problem-solving, ownership, communication, and collaboration skills.
* Experience with cloud/container environments, BDD, or non-functional testing is a plus.
* Familiarity with AI-assisted development and test automation tools such as GitHub Copilot, OpenAI Codex, or equivalent tools is desirable.