This study investigates the intricate relationship between employee job switchover (attrition) and its subsequent influence on the performance of the burgeoning Information Technology (IT) sector in Coimbatore, a rapidly growing tier-II IT hub in India. Employing a mixed-methods approach, this research analyzes the demographic characteristics of IT professionals in Coimbatore experiencing job transitions and explores the primary reasons driving their decisions to switch employers. it examines the multifaceted impact of this talent mobility on both individual career growth trajectories and key organizational performance indicators within Coimbatore-based IT companies, such as project delivery timelines, innovation rates, and client satisfaction. Finally, based on the analysis, the research aims to offer empirically grounded recommendations for IT companies in Coimbatore to develop effective retention strategies, mitigate the negative consequences of excessive job switchover, and ultimately enhance their overall performance and competitiveness in the dynamic IT landscape.