Assist in the Design, Review and Approval of Instrumentation related engineering deliverables, i.e. instrument indexes, installation details, location drawings, datasheets, wiring drawings, loop drawings, P&ID's, material requisitions, evaluation of alternatives and selection of instruments, calculations (control valve, flow elements, pressure safety valves), document control logs, bill of materials and instrument change approvals. Supports development and execution of centralized engineering services for existing upstream production operating units and new upstream capital projects to maintain safety availability and reliability of the instrument and control systems while optimizing cost.