Senior HVAC Technician
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Key skills for this role
About the Role
Swan Global is seeking a Senior HVAC Technician with extensive Oil & Gas industry experience for a contract role in Doha, Qatar. The technician will install, maintain, troubleshoot, and repair centrifugal chillers and VRF systems.
Key Skills for This Role
Responsibilities
- Oversee or perform installation of new centrifugal chillers and VRF systems in accordance with engineering drawings and manufacturer specifications
- Support commissioning activities including pressure testing, evacuation, charging, and system balancing
- Perform routine inspections and preventive maintenance of chillers, VRF units, compressors, condensers, evaporators, cooling towers, pumps, and AHUs
- Carry out corrective maintenance to quickly restore failed equipment and reduce operational downtime
- Diagnose and repair/replace faulty compressors, pumps, motors, starters, contactors, capacitors, fans, belts, bearings, valves, and control components
- Recover, recycle, and recharge refrigerants following environmental and safety regulations
- Maintain accurate logs of all maintenance, repairs, refrigerant usage, and parts inventory
- Prepare daily and weekly service reports for supervisor review
- Strictly follow Oil & Gas site safety protocols (e.g., PTW, LOTO, H2S awareness)
- Comply with local and international HVAC codes (ASHRAE, ISO, or equivalent)
Requirements
- Diploma or ITI certification in Refrigeration, Air Conditioning, or Mechanical Engineering
- Minimum 10 years of hands on experience in the Oil & Gas sector working with chiller systems and VRF technology
- In depth knowledge of centrifugal chiller operation and VRF systems
- Ability to read and interpret P&IDs, electrical schematics, manufacturer technical manuals, and mechanical engineering drawings
- Skilled in using diagnostic tools such as digital manifolds, multimeters, megohmmeters, thermal cameras, refrigerant leak detectors, and HVAC software interfaces
- Excellent troubleshooting and problem solving skills
- English speaking is mandatory – both written and verbal
Full Job Posting
Job Summary
- We are looking for a highly skilled Senior HVAC Technician with extensive Oil & Gas industry experience to join our maintenance team. The successful candidate will be responsible for the installation, operation, maintenance, troubleshooting, and repair of centrifugal chillers and VRF (Variable Refri
Qualifications & Education
- Diploma or ITI certification in Refrigeration, Air Conditioning, or Mechanical Engineering.
Work Experience
- Minimum 10 years of hands on experience in the Oil & Gas sector (onshore or offshore), specifically working with chiller systems and VRF technology.
- Proven track record of working on large capacity centrifugal chillers (e.g., Carrier, York, Trane, Mitsubishi, Daikin) and multi zone VRF systems.
Technical Knowledge & Skills
- In depth knowledge of centrifugal chiller operation, including refrigeration cycles, oil management, purge units, and electronic expansion valves.
- Strong understanding of VRF systems (heat pump and heat recovery), including branch controllers, refrigerant piping design, and addressable controls.
- Ability to read and interpret P&IDs, electrical schematics and wiring diagrams, manufacturer technical manuals, and mechanical engineering drawings.
- Skilled in using diagnostic tools such as digital manifolds, multimeters, megohmmeters, thermal cameras, refrigerant leak detectors, and HVAC software interfaces.
- Excellent troubleshooting and problem solving skills – able to diagnose complex faults involving mechanical, electrical, and refrigerant circuits simultaneously.
Key Responsibilities
- Installation & Commissioning: Oversee or perform installation of new centrifugal chillers and VRF systems in accordance with engineering drawings and manufacturer specifications. Support commissioning activities including pressure testing, evacuation, charging, and system balancing.
- Maintenance: Perform routine inspections (daily, weekly, monthly) of chillers, VRF outdoor/indoor units, compressors, condensers, evaporators, cooling towers, pumps, and AHUs. Execute preventive maintenance schedules: cleaning coils, changing filters, checking refrigerant levels, lubricating moving
- Repair & Replacement: Diagnose and repair/replace faulty compressors (scroll, screw, centrifugal), pumps, motors, starters, contactors, capacitors, fans, belts, bearings, valves (solenoid, thermal expansion, shut off), and control components (sensors, thermostats, PLC modules). Recover, recycle, and
- Documentation & Reporting: Maintain accurate logs of all maintenance, repairs, refrigerant usage, and parts inventory. Prepare daily and weekly service reports for supervisor review. Report major faults, safety incidents, or recurring issues with recommendations for long term solutions.
- Safety & Compliance: Strictly follow Oil & Gas site safety protocols (e.g., PTW – Permit to Work, LOTO – Lockout/Tagout, H2S awareness, etc.). Comply with local and international HVAC codes (ASHRAE, ISO, or equivalent). Ensure proper handling, storage, and disposal of hazardous materials (oils, refr
Additional Requirement
- English speaking is mandatory – both written and verbal, for reading technical documents, reporting, and communicating with supervisors and team members.
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