Mohammad Azhar Uddin
Senior Instrument Technician| Oil & Gas
Results-driven professional with 10 years of experience in preventive, corrective and troubleshooting maintenance of plant instrumentation and control systems. Expertise in testing, commissioning of fire and gas detection systems, automatic fire suppression systems, and PLC/ESD/DCS systems. Proficient in reading engineering drawings and P&IDs, with strong skills in cross-functional coordination, plant safety, and maintenance management systems.
Experience
Senior Instrument Technician
Al Nahdha (Oman) - OQ
Dec 2023 – May 2026
- Execute maintenance jobs including troubleshooting, repair, overhaul, and calibration of different kinds of field instruments in plant/units.
- Obtain permit to work, ESD bypass authorization, tools, test equipment, spare parts and executes maintenance jobs as per job priority in line with Refinery maintenance practices, HSE rules and regulations.
- Provides status of jobs, maintenance history, spare parts used, and any problems noticed during execution to respective senior instrument engineer. Also, attends important corrective order jobs as per assigned priority in SAP.
- Provides instrument data sheet, nameplate details to order new spare part for non-stock items. Inspects material at warehouse and provide feedback to respective senior engineer on its acceptance.
- Participate in Standby/on call assignments, to be readily available in order to support the operation team for emergencies.
- Supports other General Technician, Instrument Technician to troubleshoot technical problems.
- Executes all maintenance activities in a safe manner in line with relevant International/Corporate Standards, Engineering/Maintenance practices, Health & Safety regulations.
- Follows procedures/work instructions. Follow HSE rules and regulations strictly. Fully complies with instructions given in permits and uses suitable test equipment in hazardous area.
- Able to read and interpret IOM manual (Installation, Operation & Maintenance) of OEM to overhaul, repair and calibrate new type of instruments.
Instrument Technician
Bonace Engineers (India) - HPCL
Dec 2023 – May 2026
- Maintenance, calibrate & install various instruments like transmitters, gauges, switches, & Temperature elements.
- Calibration of pressure, level, flow, and Temperature Transmitters (Rosemount, Honeywell, Yokogawa, ABB & Siemens).
- Control valve calibration, including smart & standard positioners (pneumatic, electronic).
- Conducted stroke and function tests on shut-off valves, emergency shutdown valves, blowdown valves, and motor-operated valves to ensure operational reliability.
- Coordinated manpower and monitored daily progress to ensure timely completion of activities.
- Perform installations of heat tracing, impulse tubing, instrument stanchions, air lines, and conduct leak testing.
- Provided field problem solutions and support for the control room.
- Executed startup and shutdown procedures with a focus on maintaining safety standards.
- Worked on Following Control System DCS: Honeywell TPS, Emerson (DeltaV).
- PLC: Allen Bradley (Control Logic. SLC).
- ESD systems: Honeywell FSC, Invensys Triconex.
- Machine Condition Monitoring systems: Bently Nevada 3500, 3300.
- Temperature transmitters: (Rosemount, Foxboro).
- Control Valves, MOV, ESDV, (Fisher, Masoneilan).
- Field Communicator Module: (Rosemount, Emerson 475 and TREX).
- Participate Plant Fire & Gas System Like Flame Detector, H2S Gas Detector, Open Path Gas Detector (Detronics -OPECLS, LS2000) Infrared Hydrocarbon Gas Detector (PIRECL), HSSD-VESDA-VFT Model System, Deluge Skid, Fire Etc…
Instrument Technician
Kent (Qatar) - Shell
Sep 2023 – Mar 2023
- Executed operation and maintenance activities in Shell, leveraging expertise in DCS, ESD, and F&G systems.
- Conducted preventive and corrective maintenance on a routine basis for all Instrumentation equipment as per SAP assignment and PTW system, following procedures and related safety rules, in a safe, timely, and efficient manner.
- Carry out the skilled installation, maintenance, configuration and repair of a variety of electrical, electronic, pneumatic and microprocessor based control, measurement and recording instrumentation, distribution control system, emergency shutdown, machine monitoring, telecommunication F&G, HVAC and other instrument related systems in the plant.
- Calibrated pressure, flow, level, and temperature transmitters to ensure accurate measurements and reliable operation.
- Troubleshooting of control valves, SOVs, MOV and Shut down valves.
- Performed routing checks and corrective actions on field instruments, ensuring proper functioning and compliance with standards.
- Prioritized and addressed reported faults from control room, setting and repairing process variable transmitters, control valves, RTDs, thermocouples, switches, level trolls, controllers, and indicators based on operational demands.
- Installed, tested, calibrated, diagnosed, modified, overhauled, and commissioned electronic and pneumatic instrumentation.
- Displayed readiness to work in remote locations under varying weather conditions to meet operational needs.
- Maintained a strong commitment to safety by consistently following safety policies and procedures.
Instrument Technician
Saipem GPS (Ivory Coast) - ENI
Jun 2023 – Oct 2023
- Executed commissioning and troubleshooting activities at Baleine FPSO, ensuring thorough preparation for operational readiness.
- Carried out calibration for all types of process control instruments like pressure, level, flow, temperature transmitters and control valves.
- Follow PTW system for all installation and maintenance activities according to plant procedures.
- Experienced in trouble shooting and loop checking of substation motor loops and MOVs (ABB, Square-D, Rotork, Biffi) loops.
- Installation, Calibration, Maintenance and Troubleshooting of Vibration System.
- Conducted function test and logic test with support of vendors and DCS, PLC engineers.
- Conducted function and logic tests, collaborating with vendors and DCS, PLC engineers to validate system performance.
- Reviewed Loop folders and associated QA/QC documents.
- Troubleshot marshaling, DCS, SIS, and system cabinet cards, enhancing system reliability and operational efficiency.
- Experienced in troubleshooting and loop checking of substation motor loops and MOVs (ABB, Square-D, Rotork, Biffi) loops.
- Conduct all work activities in a safe and environmentally responsible manner.
Instrument Technician
Expertise (KSA) - Sabic
Apr 2018 – Jul 2021
- Perform Commissioning and maintenance, troubleshooting, diagnosis, inspections, repairs and overhauls on equipment associated with instrument parts e.g. Instrument pressure, temperature, level and flow fundamental measuring and control process.
- Perform routine preventative maintenance, troubleshooting, diagnosis, inspections, repairs and overhauls of equipment associated with instrument part e.g. Instrument pressure, temperature, level and flow fundamental measuring and control process.
- Executed PLC hardware card replacements to maintain process control and safeguarded installation requirements while ensuring availability of spare parts and maintenance supplies.
- Ensured all maintenance complied with safety rules and standards while coordinating work on the platform with other activities.
- Participated in Job Hazard Analysis (JHA), Turnaround Risk Assessment (TARA), and Hazard Operability Procedure (HAZOP) reviews, collaborating with all parties to ensure safety.
- Performed testing and lapping on control and Emergency Shutdown (ESD) valves to ensure optimal performance.
- Gained familiarity with Emergency Shutdown (ESD) systems and PLCs, specifically Triconex, to enhance operational safety.
- Conducted loop checks to verify instrument functionality.
- Fault finding on Electronic instrument system, including the interface with Distributed control system. Interlock checking.
Skills
Technical Skills
Instrumentation maintenanceSafety instrumentationInstrumentation troubleshootingTeam leaderInstrumentation calibrationProblem solvingField instrumentationHazardous electrical systemsControl systemsHazardous area classificationDCSHazardous area equipmentPLCInspection and repairLoop diagnosticsCalibrationVibration monitoring equipmentCorrective maintenancePermit systemsAuthorized Electrical PersonTest data logging
Languages
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