**Key Responsibilities:** * Review and follow the commissioning procedure and drawing. * Ensure complete adherence to the Permit to Work system and other safety requirements. * Perform system walkdowns and assist in identifying any issues/problems in the system. * Support in verifying the clearance of punch items raised during the Mechanical Completion (MC) Walkdowns. * Execute pressure leak testing of piping and equipment as per the Leak Test Packs and Mark\-ups. * Carry out flushing and cleaning activities for piping and equipment. * Support for preparation of Leak Test Packs, mark\-ups, red\-line mark\-ups, etc. * Assisting specialized vendors for activities like chemical cleaning and lube oil flushing. * Perform rotating equipment cold and hot alignment checks. * Support the Commissioning Engineer in filling the Inspection Test Report (ITR) for the commissioning activities. * Support the Subsystem Walk downs, test (SAT) and commissioning activities identified for the systems / sub\- systems. * Operation of temporary equipment like pumps, compressors, generators, dryers, etc. * Perform any preservation activities required for mechanical equipment including lube oil checks, top\-ups, oil and filter change, lubrication requirements as per the lubrication schedule till start\-up. * Ability to perform preventive or corrective maintenance at site like seal replacement, pump or compressor overhauling under supervision of the vendor or mechanical lead engineers. * Mechanical Reinstatement after testing including removal of blinds, reinstatement of spools, valves, spacers as per requirement. * Conducting torquing, bolt tensioning, flange management and valve greasing as per requirement. * Comply with CONTRACTOR/COMPANY HSE requirements, to achieve a level of zero harm, accidents, or injuries and no defect or unwanted discharge nor leaks. * Ensuring that safety aspects of work are followed in accordance with the overall Project HSE Plan. * Supporting Construction and site Engineering Team in clearing punch list items from FAT, Construction and commissioning phase. * Complete where applicable associated pre\-commissioning / commissioning certification in accordance with the requirements of the project Completions Management System and associated procedures * Update the Commissioning Foreman with daily updates and support for the preparation of the Daily Report. **Required Qualifications:** * Diploma/ITI in Mechanical Engineering or equivalent diploma from recognized Universities * Minimum Seven (7\) years Oil and Gas Industry experience in Mechanical system commissioning * Safety certificates including PTW, confined space, gas testing, lifting operations, etc **Required Experience:** * Demonstrable experience with current and relevant experience in all aspects of Mechanical equipment / systems pre\-commissioning / commissioning within the O\&G or related Industry. * Ability to demonstrate good understanding of risks associated with working in Hazardous Areas. * Good knowledge of O\&G related QHSE safe working practices and procedures. * Experience in commissioning compressors, pumps and turbines. * Experience in commissioning piping systems. * Knowledge of Completions process and the ability to understand / complete related check\-sheets Job Type: Full\-time Pay: QAR1\.00 \- QAR2\.00 per month