Abstract: Job design is a process that entails putting together specific duties and responsibilities to create a variety of tasks that define the duties and responsibilities for individuals to carry out in their day to day work. Job design is very crucial for individual satisfaction and employee performance. It also ensures that a job is done efficiently, economically, reliably and safely. Therefore, the main purpose of this study was to find out the effect of flexitime on employee performance in financial institutions in Kericho town, Kenya.