Test Manager

We are looking for an experienced OT Test Lead to lead testing activities across a large Operational Technology and Telemetry programme. You will be responsible for planning, coordinating, and delivering testing across OT infrastructure, industrial control systems, and supporting technologies, ensuring solutions are fully validated before deployment. Key Responsibilities Develop and manage the OT test strategy and test plans. Lead System Integration Testing (SIT), End-to-End (E2E), Factory Acceptance Testing (FAT), Operational Acceptance Testing (OAT), User Acceptance Testing (UAT), and regression testing. Coordinate testing across engineering, infrastructure, cybersecurity, operational teams, and third-party suppliers. Validate PLC, SCADA, HMI, telemetry, and enterprise system integrations. Manage defects, test reporting, and test governance. Support operational readiness, resilience, recovery, and cybersecurity testing. Essential Experience Proven experience leading testing within Operational Technology (OT) environments. Strong knowledge of PLC, SCADA, DCS, HMI, ICS, or similar industrial control systems. Experience developing test strategies, plans, and test scripts. Strong understanding of OT infrastructure, telemetry, and system integration. Experience managing defects and coordinating multidisciplinary teams. Excellent stakeholder management and communication skills. ..... full job details .....