Umar Alyan

• Supervised and coordinated instrumentation installation and commissioning activities for Gas
Compression Plant systems.
• Led team of technicians during installation, calibration, loop checking, and pre-commissioning
phases.
• Planned daily work schedules, manpower allocation, and material coordination with project
engineers.
• Reviewed P&IDs, I/O lists, hook-up drawings, loop diagrams, and instrument datasheets
before execution.
• Ensured compliance with Saudi Aramco standards, QA/QC procedures, and HSE regulations.
• Supported engineering team in resolving technical queries and site modifications.
• Monitored subcontractor activities and verified installation quality.

Engineering & Commissioning Activities

• Troubleshot faulty instruments and restored loop integrity.
• Replaced defective transmitters and field devices within shutdown timelines.
• Ensured compliance with refinery safety and QA/QC standards.
• Supported startup readiness and final inspection prior to plant restart.

• Installed and calibrated field instruments for drilling and production facilities.
• Performed impulse line installation, tubing, and cable termination.
• Conducted loop checking, I/O testing, and signal simulation with PLC/DCS systems.
• Assisted in commissioning of control systems and compressor instrumentation.
Maintenance Responsibilities:
• Performed preventive and corrective maintenance of transmitters and switches.
• Diagnosed grounding issues, signal failures, and communication faults.
• Reduced downtime through effective troubleshooting and repair.
• Maintained calibration certificates and maintenance logs.