AIR SEPARATION UNIT SPECIALIST ENGINEER - INSTRUMENTATION & CONTROL DUNCAN AND ROSS MANAGEMENT CONSULTANCIES

Lead and execute I&C engineering activities for ASU plants, including air compression, purification, cold box, cryogenic distillation, storage, and product distribution systems. Develop and review control philosophies, I/O lists, instrument indexes, loop diagrams, hook-up drawings, and cable schedules. Prepare and check instrument datasheets for transmitters, control valves, analyzers, and safety devices suitable for cryogenic and oxygen service. Design and review DCS, PLC, and SIS architectures, ensuring integration with packaged ASU units. Develop cause & effect diagrams, alarm management philosophies, and interlock descriptions. Participate in HAZOP, HAZID, SIL, LOPA, and QRA studies. Perform or review SIL assessments and SIF documentation as per IEC 61508 / IEC 61511. Ensure compliance with IEC, ISA, ATEX, IECEx, NFPA, API, ISO, and Middle East client standards (Saudi Aramco, ADNOC, PDO, QP, SABIC, Maaden). Ensure instrumentation is compliant with hazardous area classifications and local authority regulations. Review vendor and licensor documentation from industrial gas licensors Conduct technical bid evaluations and vendor clarifications. Coordinate with OEMs for compressors, expanders, analyzers, and cold box packages. Participate in FAT, SAT, commissioning, and performance testing activities. Interface with process, mechanical, electrical, civil, and commissioning teams. Support construction, pre-commissioning, commissioning, and start-up at site. Provide troubleshooting support for plant optimization, debottlenecking, and reliability improvement. Ensure engineering deliverables meet project schedules and client milestones