A Commissioning job involves ensuring that systems, equipment, and facilities are installed, tested, and functioning according to design specifications before they are handed over for operation. This process includes reviewing plans, conducting performance tests, troubleshooting issues, and coordinating with engineers, contractors, and clients. Commissioning professionals work in industries like construction, energy, manufacturing, and transportation to optimize performance, safety, and compliance. Their role is critical in minimizing operational risks and ensuring that projects meet quality and efficiency standards.