Job Description Roles & Responsibilities Develop and/or review instrumentation deliverables (I/O lists, instrument index, control philosophy, cause & effect diagrams). Support procurement and technical bid evaluation for instrumentation packages. Review vendor documentation, participate in FAT, and support loop checking and commissioning activities. Coordinate with control system, DCS, and PLC vendors as required. Ensure compliance with QatarEnergy instrumentation specifications and relevant international standards. Troubleshoot instrumentation and control issues arising during construction and commissioning.