We are seeking a skilled Hadoop Administrator to manage and maintain our Hadoop ecosystem, ensuring high availability, performance, and security of big data platforms. The ideal candidate will have hands-on experience in cluster management, monitoring, and troubleshooting within distributed environments. Install, configure, and maintain Hadoop clusters (HDFS, YARN, MapReduce). Administer Hadoop ecosystem components such as Hive, HBase, Spark, Sqoop, Kafka, and Oozie. Monitor cluster health, performance, and storage capacity using tools like Ambari, Cloudera Manager, or similar. Configure and manage HDFS storage, replication, and data balancing. Implement and maintain security policies (Kerberos authentication, encryption, access controls). Perform cluster upgrades, patching, and capacity planning. Troubleshoot issues related to cluster performance, jobs, and data processing failures. Manage data ingestion and pipeline workflows. Ensure high availability and disaster recovery for Hadoop clusters. Collaborate with data engineers and architects for performance optimization and system improvements. Maintain documentation for cluster configurations and processes. Infosys is a global leader in next-generation digital services and consulting. We enable clients in more than 50 countries to navigate their digital transformation. With over four decades of experience in managing the systems and workings of global enterprises, we expertly steer our clients through their digital journey. We do it by enabling the enterprise with an AI-powered core that helps prioritize the execution of change. We also empower the business with agile digital at scale to deliver unprecedented levels of performance and customer delight. Our always-on learning agenda drives their continuous improvement through building and transferring digital skills, expertise, and ideas from our innovation ecosystem. Infosys provides equal employment opportunities to applicants and employees without regard to race, color, sex, gender identity; sexual orientation, religious practices and observances; national origin; pregnancy, childbirth, or related medical conditions; status as a protected veteran or spouse/family member of a protected veteran; or disability.