Principal Software Test Engineer

- Define and implement comprehensive test strategies in collaboration with senior engineers and stakeholders - Contribute to project scoping, planning, and estimation of testing activities - Ensure test approaches align with system architecture and product requirements - Lead test planning, execution, and reporting - Develop and review verification and validation plans - Perform integration testing across software and hardware boundaries - Work with low-level interfaces and communication protocols (e.g. serial and peripheral interfaces) - Use lab-based debugging and diagnostic tools where required - Analyse results, identify defects, and drive improvements - Design and develop scalable automated testing frameworks - Write maintainable and efficient test scripts (primarily in Python) - Integrate automated testing into CI/CD pipelines - Work closely with software, hardware, and operations teams to resolve issues - Support product release activities and field issue investigations - Contribute to overall product quality and reliability - Provide technical leadership within the test function - Mentor engineers on testing best practices and methodologies - Participate in design and code reviews - Produce and maintain test documentation (plans, cases, reports) - Ensure alignment with internal quality standards and regulatory requirements - Identify and implement improvements to testing processes and tools - Stay current with industry trends and emerging technologies