Assist in the design, review, and approval of Instrumentation-related engineering deliverables, including instrument indexes, installation details, location drawings, datasheets, wiring drawings, loop drawings, P&IDs, material requisitions, evaluation of alternatives and selection of instruments, calculations for control valves, flow elements, and pressure safety valves, document control logs, bills of materials, and instrument change approvals. Support 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.