Principal Test Engineer, Clinical Software

Company: Waters
Apply for the Principal Test Engineer, Clinical Software
Location: Wilmslow
Job Description:

Overview

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.

Pay / Benefits

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

Responsibilities

  • 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

Key requirements

  • 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

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Posted: September 14th, 2026