Site-Based CE&I Senior Design Engineer Location: North West Hours: 37 hours per week (typically worked over 4 days ) Security Clearance: SC required (must already hold or be eligible) The Role We are seeking a Senior Control, Electrical & Instrumentation (CE&I) Design Engineer to provide site-based, frontline design support to commissioning teams on a highly regulated, safety-critical facility. This is a hands-on senior design role , embedded at plant level during commissioning, where issues are identified, investigated and resolved through robust engineering judgement and controlled design change . The role is not focused on routine programming or implementation. Dedicated site teams carry out testing, installation and commissioning activities. Your responsibility is to diagnose problems, develop design solutions, and ensure changes meet functional and business requirements . Key Responsibilities Provide frontline CE&I design support to commissioning teams during active commissioning. Investigate faults observed on plant and during commissioning activities. Develop and modify detailed CE&I designs to reso...