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 settings.

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