Job Title: Principal Instrument Engineer Location: Manchester, M22 (Hybrid / On-site requirements) Contract Type: Contract / Temporary IR35 Status: Inside IR35 (via FCSA-accredited Umbrella Company) Rate: Competitive Day Rate Industry: Infrastructure / Energy / Process Engineering About the Role We 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 Responsibilities Lead the detailed engineering, design, and technical delivery of instrumentation and control packages. Produce and review critical engineering documentation, including P&IDs, instrument index...