Principal Software Engineer in Test

Clario, part of Thermo Fisher Scientific, is seeking a Principal Software Development Engineer in Test (SDET) to lead quality engineering and scalable test automation across our modern clinical technology platform. In this role, you will define end‑to‑end automation strategy (UI, API, integration, performance, and security), embed intelligent automation into CI/CD, and establish quality standards and coverage metrics. Partnering with engineering, AI, and product teams, you will help accelerate the delivery of reliable, compliant clinical innovations. What You’ll Be Doing Define and lead automation strategy across UI, API, integration, performance, and security layers Architect and evolve scalable, reusable automation frameworks Implement AI‑assisted testing to enhance coverage and improve defect detection Integrate automated testing into CI/CD pipelines to support continuous quality validation Establish quality standards, coverage metrics, and observability practices Collaborate closely with software engineers, AI engineers, product teams, and quality engineers Contribute to testing across multiple components within a large-scale clinical technology platform Improve test reliability, execution speed, and automation maintainability Ensure compliance with regulatory standards (e.g., GxP, FDA, 21 CFR Part 11) Mentor engineers and elevate automation maturity across teams What We Look For Bachelor’s or Master’s degree in Computer Science, Software Engineering, or related field, or equivalent experience 8+ years in software quality engineering, test automation, or related disciplines Proven experience designing and leading automation strategies and scalable testing frameworks in distributed systems Strong experience with BDD frameworks (Cucumber, SpecFlow, Gherkin) and solid understanding of TDD Proficiency in C#, Java, Python, or TypeScript Hands-on experience integrating automation into CI/CD pipelines and modern DevOps environments Experience working within Agile Scrum and cross-functional engineering teams Strong technical leadership skills and ability to influence engineering standards Ability to work across multiple components of a complex platform architecture Experience leveraging AI or intelligent automation for improved test coverage and efficiency Based in Canada and able to work remotely Preferred Experience Experience with medical imaging platforms (DICOM, PACS) or complex visualization systems Experience building automation for performance‑sensitive or high‑resolution UI applications Experience working in regulated environments such as Clinical Trials, Healthcare, or Life Sciences Experience collaborating with AI/ML engineers in product development settings At Clario, our purpose is to transform lives by unlocking better evidence. It’s a cause that unites and inspires us. It’s why we come to work—and how we empower our people to make a positive impact every day. Whether you're advancing clinical science, building innovative technology, or supporting our global teams, your work helps bring life-changing therapies to patients faster. EEO Statement Clario is an equal opportunity employer. Clario evaluates qualified applicants without regard to race, color, religion, gender, national origin, age, sexual orientation, gender identity or expression, protected veteran status, disability/handicap status, or any other legally protected characteristic. effective Jan 1 2026