Social media is a recent phenomenon having a significant influence not only on individuals but also on businesses. In today’s global and rapid business environment, businesses use social media in their operations in a variety of ways including advertising, marketing, customer service, etc. Businesses use social media not only in such business processes, but also human resources (HR) operations, including different stages in employement process. The objective of this study is to examine the use of social media in HR operations and its impact on HR performance. More specifically, the current study examines the impact of social media use in pre-employment, employment, and post-employment stages of HR operations. The findings of this study reveal that there is a positive and significant relationship between social media use in pre-employment as well as social media use in employment stage in HR operations, while post-employment stage social media use does not have a significant impact on HR performance.