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Application Specialist III

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Responsible for implementation and ongoing administration of large scale Cloudera Hadoop environments including cluster set up, performance tuning and monitoring in an enterprise environment.

• Aligning with the Infrastructure Management and Application Technology & Solutions teams to deploy new hardware and software environments required for Hadoop and to expand existing environments.
• System administration and programming skills such as storage capacity management, performance tuning.
• Working with various application teams to setup new Hadoop users. This includes setting up and testing HDFS, Hive, Pig and MapReduce access for the new users.
• Cluster maintenance as well as creation and removal of nodes using Cloudera Manager Enterprise and others.
• Installing, configuring, maintaining, and supporting CDH 5.x, including various components. This includes but not limited to HDFS, Impala, Sqoop, Flume, Hive, YARN, SPARK, etc.
• Manage and monitor platform infrastructure
• Collaborating with application teams to install operating system and Hadoop updates, patches, version upgrades when required.
• Automate cluster node provisioning and repetitive tasks.
• Manage Hadoop stack support run book.
• Responsible for cluster availability and available 24x7 on call support.
• Support disaster recovery and business continuity practice
• Serve as a point of contact for vendor escalation

Skills:

• + 3 years of hands on experience in Hadoop and related technology stack.
• Strong understanding of Hadoop design principals, cluster connectivity, security and the factors that affect distributed system performance.
• Strong software development or scripting skills.
• Strong knowledge and experience in supporting Linux environments.
• Experience maintaining, troubleshooting and setup large secured clusters.
• Experience supporting systems with 24X7 availability and monitoring
• Strong understanding of Kerberos and Active Directory
• Experience in role based access controls utilizing Sentry
• Strong knowledge of current hardware systems commonly used in production environments
• Ability to proactively identify, troubleshoot and resolve live systems issues
• Strong Technical documentation and communication skills is a must
• Experience with Teradata a plus

Education:

• BS degree in Computer Science or a related field and/or equivalent experience
• Cloudera and/or Hadoop Certification is a must.

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