Primary purpose of the job :
Perform daily monitoring, corrective & routine maintenance, periodical verification & calibration and
troubleshooting of on-line analysers and associated sample conditioning, data acquisition equipment in
Qatargasfacilities in accordance with established schedules & procedures.
Field equipment includes all on-line process monitoring analysers such as Gas Chromatograph, Moisture,
Hydrogen Sulphide, Total Sulphur, Tail Gas, Vapour Pressure, Oxygen, NOx, SOx, Carbon dioxide, Oil-InWater/Hydrocarbon in Steam, pH, Conductivity, Dissolved Oxygen, Free Chlorine, ORP, Capacitance,
Calorimeter and associated sample conditioning systems.
Duties and Responsibilities :
- Reports to the Nominated QatargasMaintenance Supervisor.
As directed, carries out maintenance of on-line analysers & sampling systems and associated devices
including troubleshooting of failures, validation and calibration to retain them in functional and good
operating order for reliable performance. - Ensures compliance with PPM requirements and prepares records of validation/calibration data and
details of maintenance activities carried out. - Highlight & report any anomalies and diagnose & repair of faults & breakdowns
- Assists in co-ordinating with Laboratory to resolve discrepancies between on-line versus Laboratory
sample analysis and verification of calibration gas composition when in doubt. - Submits reports on incidents and failure investigations as and when required.
- Participates in acceptance tests of new and upgrade systems, identifies deficiencies and provides punch list.
- Ensures safety of personnel and equipment through compliance with company’s Environmental Health and Safety policies, procedures and standards. Experience, Knowledge and skills :
- Educational Qualifications: Minimum Higher Secondary School Education with a technical diploma or certificate from a recognized institution.
- Relevant Work Experience: Minimum of 5 years of maintenance experience in on-line analyzers in diversified oil & gas processing or petrochemical plants.
- Computer Skills: Computer literate with knowledge of commonly used Microsoft business software packages would be advantageous.
- English Language Skills: Good written and oral communication skills in English.
Job Specific Requirements:
- Good knowledge of field instruments, gas & liquid sample conditioning techniques and analytical
principles such as chromatographic separation, UV & Lead Acetate based H2S measurement, IR / UV
absorption, continuous emission monitoring systems, aluminum oxide & piezoelectric moisture,
paramagnetic and zirconium cell based oxygen and principles behind pH, conductivity, ORP &
dissolved oxygen is essential. - Should have hands-on experience preferably with Yokogawa (GC 1000) and / or Siemens (Maxum
Edition II) gas chromatographs, Ametek H2S, SO2, moisture & oxygen, Galvanic Applied Sciences H2S,
Panametrics moisture and physical properties analysers such as vapour pressure, electrochemical
analyzers and associated sample conditioning. - Good knowledge on calibration of various types of gas & liquid analyzers and usage of test equipment.
- Should be able to troubleshoot failures, problems and issues with sample systems, gas chromatographs, spectrophotometric and moisture analyzers.
- Should be able to understand Piping & Instrumentation Diagrams, Process Flow Diagrams, Loop Drawings and Cause & Effect, simple function block & logic diagrams.
- Familiar with a permit to work system and LOTO procedures.
- Installation, calibration, testing and commissioning of on-line analyzers in a diversified oil & gas processing, LNG or petrochemical plant.
- Good adaptability to multinational environment with wide exposure to various cultures and customs.
- A strong focus on safety is paramount and practical know-how of permit to work systems and lock out procedures applicable to LNG / Petrochemical plants is required.
- Familiar with and experienced in working with H2S rich process.


