Salary: £75,000 - 85,000 per year Requirements: Proven experience leading or coordinating testing activities for mission critical systems Strong interest in technology, innovation, and AI Solid background in manual testing across complex systems (mobile, hardware integrated, or distributed platforms) Knowledge of automation tools without needing to be necessarily hands on yourself Familiarity with CI/CD environments (e.g., Jenkins, GitLab) and modern QA practices A curious, pragmatic mindset and drive for continuous improvement Responsibilities: Define and govern comprehensive testing approaches that ensure mission critical systems meet strict safety, reliability and regulatory expectations Embed within agile delivery teams, contributing to ceremonies and working closely with stakeholders to clarify and validate requirements Plan and execute structured testing activities, including defect management, prioritisation and clear communication of results Drive the growth of automated testing - you dont need to be hands on with it yourself Provide expert guidance throughout acceptance, release and deployment stages to support smooth, low risk delivery Lead, coach and support senior engineers, fostering capability growth and encouraging best practice across the team Explore emerging approaches including AI driven tooling Technologies: AI CI/CD GitLab Hardware Support Jenkins Mobile Cloud Embedded Playwright Python Security More: We are a scale-up based in North Bristol, developing meaningful technology designed to keep frontline personnel safe, connected, and operational in high pressure environments. Our team is friendly and collaborative, currently consisting of nine test engineers. We are seeking a Principal Test Engineer to lead testing across multiple complex projects, with a requirement to work in our office three days per week. Due to the sensitive nature of our projects, candidates must either hold a British passport or have lived in the UK continuously for the past five years. Our organization is dedicated to technology that protects people, firmly situated in the tech for good space. Salary is up to £85,000 depending on experience. last updated 10 week of 2026