Principal Instrument Engineer

Job Title: Principal Instrument EngineerLocation: Manchester, M22 (Hybrid / On-site requirements)Contract Type: Contract / TemporaryIR35 Status: Inside IR35 (via FCSA-accredited Umbrella Company)Rate: Competitive Day Rate Industry: Infrastructure / Energy / Process EngineeringAbout the RoleWe are seeking an experienced Principal Instrument Engineer to join our engineering delivery team based in Manchester (M22).In this leadership role, you will drive the instrumentation, control, and automation design packages across high-profile, complex engineering projects. You will act as the key technical authority for instrument engineering, ensuring all designs comply with safety standards, client requirements, and regulatory guidelines.Key ResponsibilitiesLead the detailed engineering, design, and technical delivery of instrumentation and control packages.Produce and review critical engineering documentation, including PandIDs, instrument index sheets, I/O lists, loop diagrams, control philosophies, and cause-and-effect diagrams.Formulate instrument specifications, datasheets, and procurement documentation for field instruments, control valves, safety valves, and flow meters.Oversee SIL compliance and functional safety assessments (IEC 61508 / IEC 61511).Manage technical queries (TQs), vendor package technical evaluations, and bid reviews.Act as the primary technical point of contact for internal multi-disciplinary engineering teams, client representatives, and third-party ..... full job details .....