Instrument Technician – HVAC & Industrial Control Systems
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Key skills for this role
About the Role
The employer is seeking an experienced Instrument Technician for HVAC and industrial control systems in the Oil & Gas sector. The role involves installation, calibration, troubleshooting, and maintenance of field instrumentation, PLC/DCS systems, and HVAC automation.
Key Skills for This Role
Responsibilities
- Perform preventive, corrective, and breakdown maintenance of instrumentation and control systems
- Install, calibrate, test, and troubleshoot pressure, temperature, flow, and level instruments
- Maintain and troubleshoot PLC and DCS equipment
- Test, calibrate, and maintain control valves, actuators, valve positioners, and accessories
- Troubleshoot analog and digital control signals (0 10 VDC and 4 20 mA loops)
- Conduct loop checking, signal verification, commissioning, and functional testing
- Read and interpret P&IDs, loop diagrams, wiring diagrams, control schematics, and instrument datasheets
- Maintain and troubleshoot HVAC control systems including AHUs, FCUs, package units, chilled water systems, and ventilation systems
- Calibrate HVAC temperature, humidity, pressure, and airflow sensors
- Follow Permit to Work (PTW), Lockout/Tagout (LOTO), and company HSE procedures
Requirements
- Diploma in Instrumentation, Electronics, or Electrical Engineering; OR ITI Certificate in relevant trade
- Minimum 4 years of relevant Gulf experience in Oil & Gas, Petrochemical, Refinery, Industrial Utilities, or Oil Field facilities
- Proven hands on experience in HVAC control systems, PLC, DCS, control valves, instrumentation calibration, and maintenance
- Ability to read, write, and communicate effectively in English
- Strong troubleshooting, analytical, and problem solving skills
- Physically fit to work in outdoor and industrial conditions
Full Job Posting
Job Purpose
- The Instrument Technician is responsible for the installation, calibration, testing, troubleshooting, repair, and maintenance of field instrumentation, industrial control systems, and HVAC automation systems to ensure safe, reliable, and efficient operation of plant facilities.
Qualification
- Diploma in Instrumentation Engineering, Electronics Engineering, or Electrical Engineering; OR ITI Certificate in Instrumentation, Electronics, Electrical, or equivalent technical trade.
- Minimum 4 years of relevant Gulf experience in Oil & Gas, Petrochemical, Refinery, Industrial Utilities, or Oil Field facilities.
- Proven hands on experience in HVAC control systems, PLC, DCS, control valves, instrumentation calibration, and maintenance activities.
Key Responsibilities – Instrumentation & Control Systems
- Perform preventive, corrective, and breakdown maintenance of instrumentation and control systems.
- Install, calibrate, test, and troubleshoot pressure, temperature, flow, and level instruments.
- Maintain and troubleshoot PLC and DCS equipment.
- Test, calibrate, and maintain control valves, actuators, valve positioners, and associated accessories.
- Troubleshoot analog and digital control signals, including 0 10 VDC and 4 20 mA loops.
- Conduct loop checking, signal verification, commissioning, and functional testing activities.
- Perform cable continuity checks, insulation resistance testing, and instrument performance verification.
- Read and interpret P&IDs, loop diagrams, wiring diagrams, control schematics, and instrument datasheets.
- Configure and troubleshoot field instruments using HART communicators and calibration equipment.
Key Responsibilities – HVAC Control Systems
- Maintain and troubleshoot HVAC control systems including AHUs, FCUs, package units, chilled water systems, and ventilation systems.
- Troubleshoot HVAC controllers, sensors, actuators, thermostats, VFDs, dampers, and control panels.
- Calibrate HVAC temperature, humidity, pressure, and airflow sensors.
- Maintain and troubleshoot DDC and BMS interfaces.
- Verify HVAC control sequences, safety interlocks, and system functionality.
- Diagnose communication issues between HVAC equipment and control systems.
- Assist in HVAC commissioning, testing, and performance optimization activities.
- Coordinate with Mechanical and Electrical maintenance teams to ensure reliable HVAC operations.
Technical Competencies
- PLC Systems
- DCS Systems
- HVAC Control & Automation Systems
- DDC & Building Management Systems (BMS)
- Control Valves, Actuators & Valve Positioners
- AHU, FCU, Package Units, Chillers & Ventilation Systems
- Variable Frequency Drives (VFDs)
- Temperature, Pressure, Flow & Level Instrumentation
- Instrument Calibration Equipment
- Analog Signals (0 10 VDC & 4 20 mA)
- Loop Checking, Commissioning & Troubleshooting
- P&ID, Instrument Loop & Electrical Drawings
HSE & Compliance Responsibilities
- Follow Permit to Work (PTW), Lockout/Tagout (LOTO), and company HSE procedures.
- Ensure compliance with site safety regulations and operational standards.
- Participate in shutdowns, turnarounds, plant outages, and emergency maintenance activities.
- Maintain safe work practices in hazardous and industrial environments.
Additional Requirements
- Ability to read, write, and communicate effectively in English.
- Strong troubleshooting, analytical, and problem solving skills.
- Ability to work independently in remote oil field and industrial environments.
- Physically fit to work in outdoor and industrial conditions.
Preferred Certifications
- Permit to Work (PTW)
- Lockout/Tagout (LOTO)
- HSE / Safety Training
- Confined Space Entry
- Working at Height Training
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