A Big Data Analyst is a professional who specializes in examining large sets of data to uncover patterns, trends, and insights. They use various tools and techniques to process and analyze data from sources like social media, customer transactions, and sensor data. Their goal is to help organizations make informed decisions based on data-driven evidence. These analysts often work with technologies such as Hadoop, SQL, and Python to manage and interpret data. They collaborate with other professionals, including data scientists and business analysts, to provide actionable recommendations that can improve business strategies and operations.