Principal Test Engineer, Clinical Software

As Principal Test Engineer in our Clinical Software Development group, you guide testing, verification, and validation of software and integrated clinical systems. You’ll collaborate with cross-functional teams to ensure reliability, performance, cybersecurity, and regulatory compliance for software-controlled LC-MS instrumentation. The role focuses on testing strategies, end-to-end verification, and driving quality across multiple product lines. You’ll shape testing approaches and mentor engineers, contributing to meaningful healthcare diagnostics improvements.

• flexible working arrangements
• 25 days’ annual leave
• generous employer pension contribution
• life assurance
• income protection
• private medical insurance

• Define and champion testing strategies and validation approaches across multiple development teams
• Design, develop, maintain and execute manual and automated tests for clinical software products
• Lead system-level testing for software-controlled LC-MS instrumentation and lab workflows
• Collaborate with software, systems, hardware, and product teams to verify end-to-end system behavior
• Drive test automation, infrastructure, tooling, and process improvements
• Investigate complex issues spanning software, instrumentation, data acquisition, and system integration
• Act as a technical authority for testing approaches and test strategies
• Support risk management, defect investigations, and root cause analysis
• Contribute to cybersecurity testing to ensure secure, resilient products
• Mentor engineers and testers, fostering technical growth across the organization
• Work within a regulated quality management system to support clinical and IVD product development

• Extensive experience testing complex software-controlled systems, analytical instrumentation, or integrated hardware/software products
• Strong experience with analytical instrumentation, laboratory systems, or other highly regulated technical products
• Experience testing hardware/software systems across the product lifecycle (requirements to sustaining)
• Ability to investigate and resolve system-level issues involving software, instrumentation, data acquisition, and lab workflows
• Solid understanding of software development and testing methodologies
• Proven ability to analyze and solve complex technical problems
• Excellent communication, collaboration, and decision-making skills
• Experience mentoring engineers and influencing technical direction
• Experience in a regulated development environment and quality management systems
• Degree or equivalent in Computer Science, Engineering, Physical Sciences, Analytical Sciences, or related discipline

• communication
• collaboration
• decision-making
• test automation frameworks
• test automation tools
• data-driven testing