Independently in preparation of detailed and conceptual design drawings that include process, gas, liquid transportation as per Saudi Aramco Engineering Standard, API, ASME B31 code and ensure compliance with piping specifications and guidelines as well as applicable code and standard drawing. Generation and or modification of process flow diagram, P & ID, equipment layout, piping plan and isometric drawing. Generation of detailed design with the interpretation of P&ID, equipment layout, design instruction, plot plan, process flow diagram, line list and vendor supplied information including hydrostatic test and tie-in schedule. Offshore and onshore data gathering and Interface with other discipline as per project scope including proponent. Provide scope of work, material selection as required for intended product line, materials take-off as per isometric drawings for construction and fabrication deliverables,. Designed include computer layouts using Auto Cad, Microstation, Leica As-Built/CloudWorx 3D Pipe modeling.