Job Description The salary for this role is £56,596, (inclusive of a Specialist Allowance). Onsite working is expected for 5 days each week, however, we actively support requests for flexible working. This role can be based at any of the following sites; Culham, Oxfordshire This role requires employees to complete an online Baseline Personnel Security Standard (BPSS), including The Disclosure & Barring Service (DBS) checks for criminal convictions and possibly a search of open source data. The Role Are you looking for an exciting opportunity to make a difference? Join our team and contribute to the future of fusion energy. As Senior Electronics Engineer, you will play a pivotal role in the Machine Control and Protection Team is responsible for systems providing electrical, electronics & control and instrumentation engineering support to machine operations and diagnostics systems. These systems include MAST Upgrade (MAST-U) machine control, real-time & hardwired protection and Personal Access Safety System (PASS). In addition, the team supports any engineering requirement for Diagnostic and Enhancement projects within MAST-U. The post holder will troubleshoot, design and deliver high-level electrical systems to optimise MAST-U operations. The post holder will be responsible for the maintenance and upgrade of critical operational systems and lead activities within MAST-U Integrated Commissioning & Restart. Additional Responsibilities: Assist with development, commissioning, and ongoing operation of the Real-Time Protection (RTP) and MAST-U machine control systems; specify/design/implement/maintain SCADA/HMI and PLC controls for continuous (e.g., vacuum) and high-power pulsed systems; troubleshoot to ensure reliable operation. Modernise end-of-life analogue systems via PCB design/build/install; design/build interface cubicles to existing digital electronics; implement hardware (ADCs, interfaces, sensors) and packaging to support sensitive diagnostics; perform precision SMD soldering, bench testing, simulation, and in-situ fault finding. Own documentation, version control, commissioning procedures and reports; ensure work meets schedule, budget, and quality requirements; update plans and communicate progress/risks to MAST-U leadership and MAST-UE project managers; contribute to control-system strategy with internal/external experts. Lead/manage control & instrumentation work for MAST-U and support MAST-UE control projects; coordinate multi-disciplinary stakeholders (electrical/electronic/mechanical engineers, technicians, physicists) across the product lifecycle.