Job Description What will you be doing? We’re seeking an Senior EC&I Engineer to take the reins of testing strategy and execution for a large-scale infrastructure programme within a regulated domain such as nuclear, defence, or energy. This position demands a hands-on leader capable of setting clear testing direction, crafting technical documentation, and working closely with third-party suppliers to guarantee quality and compliance. Your main responsibilities will be: Develop robust test frameworks and methodologies for control and instrumentation systems. Create comprehensive verification procedures aligned with system functionality and regulatory expectations. Collaborate directly with external vendors and partners to ensure precise and timely delivery of test programmes. Provide authoritative oversight on supplier-led testing; review, critique, and approve technical work as necessary. Take charge of commissioning phases and generate the full suite of quality assurance and validation documents. Ensure all testing activities align with the overarching safety case, technical specs, and programme quality benchmarks. Who are we looking for? Extensive expertise in EC&I engineering within a regulated or high-integrity sector. Strong hands-on knowledge across: Distributed Control Systems (DCS) Programmable Logic Controllers (PLC) SCADA and HMI technologies Industrial instrumentation and sensors Low-voltage switchgear and control assemblies You are Passionate about engineering result-oriented proactive