Posted on:20 Dec 2022 BACK TO SEARCH

Big Data Hadoop Engineer/Administrator

Citigroup
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Key Skills

Java Programming, Python Programming, SQL, Big Data Technology, Apache Hadoop, Apache Kafka, Apache Hive, Apache Impala, Apache Solr, Shell Scripting language, SPARK Programming, HBase, User support and Troubleshooting

Job Description

The Citi Securities Services Cross Product Services team is actively recruiting a Big Data Hadoop Engineer/Administrator to support Cloudera Hadoop platform and application.The role will support our software developers and will ensure Hadoop Platform runs 24/7.

Responsibilities:

  • Install and configure Cloudera cluster
  • Apply proper architecture guidelines to ensure highly available services
  • Plan and execute major platform software and operating system upgrades and maintenance across physical environments
  • Develop and automate processes for maintenance and monitoring of the environment (Python, Java, Shell Script)
  • Implement security measures for all aspects of the cluster (SSL, disk encryption, role-based access via Cloudera sentry)
  • Ensure proper resource utilization between the different development teams and processes
  • Review performance stats and query execution/explain plans; recommend changes for tuning Hive/Impala queries
  • Create and maintain detailed, up-to-date technical documentation

Qualifications:

  • 3+ years experience with big data tools: Hadoop, Hive, HBase, Spark, Kafka, Impala, Solr, Phoenix, etc.
  • 3+ years experience with Python, Java, Shell Script
  • Ability to troubleshoot problems and quickly resolve issues
  • Cluster maintenance as well as creation and removal of nodes
  • Performance tuning of Hadoop clusters
  • Screen Hadoop cluster job performances and capacity planning
  • Monitor Hadoop cluster connectivity and security
  • Manage and review Hadoop log files
  • File system management and monitoring
  • HDFS support and maintenance
  • Collaborating with application teams to install operating system and Hadoop updates, patches, version upgrades when required

Education:

  • Bachelor’s degree/University degree

Company Info.

Citigroup

Citigroup Inc. or Citi is an American multinational investment bank and financial services corporation headquartered in New York City. The company was formed by the merger of banking giant Citicorp and financial conglomerate Travelers Group in 1998; Travelers was subsequently spun off from the company in 2002.

  • Industry
    Banking
  • No. of Employees
    210,000
  • Location
    388-390 Greenwich Street, New York, NY 10013, USA
  • Website
    https://www.citigroup.com/
  • Jobs Posted

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