Job Title: Principal EC&I Engineer Location: Warrington (Hybrid Working) Type: Full-time / Permanent Salary: Competitive + Benefits We're hiring a Principal Electrical, Control & Instrumentation Engineer to join our engineering team based in Warrington. This role supports the design and delivery of major projects within the nuclear sector, providing intelligent customer oversight across all stages-from design to commissioning. What you'll be doing: Supporting the Responsible Engineer in design governance Providing CE&I oversight and design assurance Liaising with main contractors and supporting on-site delivery Ensuring compliance with technical, safety and contractual standards What we're looking for: Strong background in PLC/SCADA-based control systems Knowledge of PES/software lifecycle documentation Experience working within NEC3 contractual frameworks Degree (or equivalent) in a relevant engineering discipline Security Clearance: Must be eligible for SC (Security Check) clearance....