A SmartPlant Instrumentation (SPI) job involves working with Intergraph’s SPI software, also known as INtools, to design, manage, and maintain instrumentation and control systems in industrial projects. Professionals in this role create and modify instrument datasheets, wiring diagrams, loop drawings, and perform database management for engineering projects in industries like oil & gas, power, and manufacturing. They ensure accurate documentation, compliance with industry standards, and efficient project execution. The role requires knowledge of instrumentation engineering, SPI software proficiency, and experience in process control systems.