About Position:

We are seeking a highly skilled Senior Hadoop Big Data DBA to manage, support, and optimize enterprise-scale Cloudera Data Platform (CDP) environments. The ideal candidate will be responsible for Hadoop platform administration, security, performance tuning, capacity planning, disaster recovery, automation, and production support while ensuring high availability and reliability of critical big data platforms.

Role: Senior Hadoop Administrator
Location: All Persistent Locations
Experience: 7 to 14 Years
Job Type: Full Time Employment

What You'll Do:

Administer and manage Cloudera CDP/CDH clusters across production and non-production environments.
Install, configure, patch, upgrade, and maintain Hadoop ecosystem services including HDFS, YARN, Hive, Spark, Kafka, HBase, Impala, Solr, Oozie, Hue, Ranger, Atlas, Knox, and ZooKeeper.
Perform platform upgrades, cluster expansion, health checks, and lifecycle management activities.
Optimize Hadoop cluster performance through tuning of HDFS, YARN, Hive, Spark, Kafka, HBase, and Impala workloads.




Develop and maintain capacity planning models for storage, compute, and resource utilization.
Implement and manage security controls including Kerberos, Ranger, Knox, TLS/SSL, LDAP/AD integration, and HDFS encryption.
Design, implement, and test backup, disaster recovery, failover, and cross-cluster replication strategies.
Automate infrastructure deployment, configuration management, and operational processes using Ansible, Python, Shell scripting, and Terraform.
Monitor platform health using Cloudera Manager, Prometheus, Grafana, Splunk, and related monitoring solutions.
Participate in 24x7 on-call support and provide L3 support for critical production incidents.
Conduct root cause analysis (RCA) and implement corrective and preventive actions.
Collaborate with Data Engineering, Security, Infrastructure, and Operations teams to ensure platform stability and scalability.
Mentor junior team members and contribute to

📌 Senior Hadoop Administrator (Pune)
🏢 Persistent Systems
📍 Pune