Experience : 5 to 8 Years

Location : NewDelhi

Job Summary

We are looking for an experienced Hadoop Administrator to manage, monitor, maintain, and optimize enterprise Hadoop clusters. The ideal candidate should have hands-on experience in Hadoop ecosystem administration, Linux, cluster performance tuning, security implementation, and troubleshooting in production environments.

Key Responsibilities

- Install, configure, administer, and maintain Hadoop clusters.
- Manage Hadoop ecosystem components including HDFS, YARN, MapReduce, Hive, HBase, Spark, Kafka, Sqoop, Oozie, and ZooKeeper.
- Perform cluster monitoring, health checks, capacity planning, and performance tuning.
- Configure High Availability (HA), disaster recovery, backup, and recovery processes.
- Monitor storage utilization and optimize cluster resources.
- Troubleshoot Hadoop services, node failures, and performance issues.
- Install patches, upgrades, and version migrations with minimal downtime.
- Implement security using Kerberos, Ranger, Knox, LDAP/Active Directory integration.
- Manage user access, permissions, and authentication.
- Automate administration tasks using Shell/Python scripting.
- Work closely with Data Engineers, Developers, and Infrastructure teams.




- Maintain operational documentation and standard operating procedures.
- Support 24x7 production environments and participate in on-call rotations.

Required Skills
- Solid experience in Hadoop Administration
- Hadoop Distributed File System (HDFS)
- YARN Resource Manager
- MapReduce
- Hive Administration
- Apache Spark
- Kafka Administration
- HBase
- Sqoop
- Oozie
- ZooKeeper
- Linux Administration (RHEL/CentOS)
- Shell Scripting
- Python scripting (preferred)
- Cluster Monitoring & Performance Tuning
- Capacity Planning
- High Availability (HA)
- Disaster Recovery
- Kerberos Authentication
- Apache Ranger
- Apache Knox
- LDAP/Active Directory
- SSL Certificates
- Backup & Restore
- Log Analysis
- Incident Management
- Change Management
- Git (preferred)

Preferred Qualifications
- Bachelor's degree in Computer Science, Information Technology, or related field.
- Hadoop certifications (Cloudera/Hortonworks) are preferred.
- Experience with cloud platforms such as AWS EMR, Azure HDInsight, or Google Cloud Dataproc is an advantage.
- Experience with DevOps tools like Jenkins, Ansible, Terraform, or Kubernetes is a plus.

📌 Hadoop Administrator (New Delhi)
🏢 SightSpectrum
📍 New Delhi