A Chemical Engineer with more than 10 years of experience in Greenfield project commissioning and plant operation of Ethylene Cracker Petrochemicals (Naphtha Cracker/Refinery of Gas Cracker Unit/Gas Cracker Unit) and also experienced in pre-commissioning and commissioning of two Ethylene cracker plants.Having experience as operation Engineer in the following fields:Per-Commissioning & Commissioning of DCS, hot & cold loop, control logic and sequence test with control narrative & Cause & Effect diagrams, FAT, SAT of DCS & OTS. Pre-commissioning, commissioning, optimization & trouble shooting of Naphtha Cracker Unit, Refinery Off Gas Cracker Unit, Benzene Extraction, Pyrolysis Gasoline Hydrogenation Unit and C4 & C5 Hydrogenation Unit.Good knowledge of Liquid and Gas cracker mega-project (M/S LUMMUS) and Refinery off gas cracker unit (M/S TECHNIP), Benzene Extraction unit (M/S GTC), Gasoline & C4/C5 Hydrogenation and optimisation.Refinery and Refinery Off-gas cracker integration. Making control logic for integration between refinery and new Liquid-Gas cracker complex for Feed, Hydrogen, Fuel Gas, Steam and Power.Trouble shooting, Optimization and Commissioning of Gas & Oil Fired furnaces, Distillation column, Centrifugal & Reciprocating compressor, Back pressure - Extraction & Condensing turbine, Cold & Hot service pumps, Oil seal and dry gas seal system, High Pressure Steam boiler, Acetylene, MAPD and hydrogenation reactor, PSA, Cold box etc.Preparation and planning of Dry out procedure, Reactor Reduction procedure, Dryer Regeneration procedure, Operating Manual, Start up and shut-down SOP.Review of process design basis, data sheets and specifications, control narrative, Cause and Effect diagrams, PFDs, PIDs, Heat and Mass balance.