Cloudera Hadoop Admin- Pune

Key Responsibilities:

• Install, configure, manage and maintain Hadoop clusters based on Cloudera CDH or CDP, and/or Hortonworks HDP distributions. (e.g., CDH/CDP)

• Perform system administration for Linux/Unix servers (Red Hat, CentOS, Ubuntu etc.).

• Ensure high availability, scalability and reliability of the Hadoop ecosystem (HDFS, YARN, ZooKeeper, Hive, Spark, HBase, etc.).

• Setup and manage security for Hadoop clusters — Kerberos authentication, data-at-rest encryption, data-in-transit encryption.Configure and manage data replication, cluster backup and disaster recovery policies.

• Monitor cluster performance, troubleshoot issues, conduct root-cause analysis and tune systems for optimal performance.

• Automate routine tasks using shell/bash, Python, or other scripting languages.

• Work closely with infrastructure, network, development and big data teams for integration and support.

• Maintain documentation of cluster configuration, maintenance procedures, security policies, and operational runbooks.

• Occasionally work in a 24×7 support model (if required) including shifts, weekends or holidays.

Required Skills & Qualifications:

• Bachelor's degree in Computer Science, Information Technology or related field.

• 4+ years of hands-on experience in Hadoop cluster administration (or for senior roles 8+ years) including Cloudera or Hortonworks distros.hirist.tech+1

• Strong Linux/Unix system administration skills.

• Experience with Hadoop ecosystem components: HDFS, YARN, Hive, Spark, HBase, ZooKeeper, etc.

• Experience with Cloudera Manager, Ambari, or equivalent tools for cluster management.

• Security experience: Kerberos, Ranger, SSL, Atlas etc

• Scripting skills: Shell/bash, Python, others preferred.

• Experience working both on-premises and cloud (AWS, Azure) deployments preferred.

• Excellent communication and team-working skills.

• Ability to work in high-pressure production environments, perform root-cause analysis and provide solutions.

Desired Skills (nice-to-have):

• Experience with DevOps/automation tools (Ansible, Terraform, Puppet, Chef).

• Experience with monitoring tools (Nagios, Ganglia, Grafana) and infrastructure metrics.

• Understanding of big data ingestion tools (Sqoop, Flume, Kafka).

• Experience with cloud-native big data services and migration from on-premises to cloud.

• Certification like Cloudera Certified Administrator (CCA) or Hortonworks Administrator.