The Instrumentation Engineer specify, design, size and select all type of instruments and actuated valves – including control valves, shutdown valves, on-off valves, etc. They understand and apply client specifications as well as international standards and industrial best practices. They also specify and provide technical requirements for all instrumentation bulk material as well as instrumentation cables. They are also responsible for managing vendors and suppliers for all instrumentation equipment, as well as supporting installation at shop or site.