1 relief security officer jobs found in Liverpool

Principal EC&I Engineer Warrington (Hybrid - 2/3 days per week in office) Contract - 12 Months Rate - £65 per hour We are seeking an experienced Principal EC&I Engineer to lead the design, development, and delivery of EC&I solutions across complex, safety-critical projects. This role is heavily design-focused, requiring ownership of electrical power system studies, protection design, and technical assurance, ensuring all outputs meet regulatory, safety, and engineering standards. Key Responsibilities Design Leadership & Delivery Lead the design and development of EC&I systems, ensuring solutions are technically robust, compliant, and fit for purpose. Own and maintain the electrical power system model (ETAP or equivalent) to support design development and validation. Produce and review key design deliverables including: Fault level calculations, Protection coordination studies, Arc flash risk assessments.  Ensure all designs align with relevant standards,...