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Fidelity National Information Services Logo

Senior Hadoop Database Administrator

Fidelity National Information Services

Salary not specified
Sep 3, 2025
Atlanta, GA, USA • Cincinnati, OH, USA
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FIS is seeking a Hadoop Administrator to support and administer their big data cluster, which serves as the foundation for a key new set of product offerings.

Requirements

  • Experience administering Cloudera CDH or HDP in Production
  • Familiar with Cloudera’s Back and Disaster Recovery (BDR) solution
  • Heavy experience with advanced security features such as Kerberos, Apache Sentry, SSL/TLS, Navigator encryption
  • 3+ years experience performing Linux/UNIX Administration
  • Excellent understanding of Active Directory/LDAP Administration
  • Production experience of administering at least one RDBMS such as MySQL, Postgres, Oracle, SQL Server
  • Experience of defining hardening processes for one or more Production environments

Responsibilities

  • Responsible for ongoing administration of Hadoop infrastructure
  • Aligning with the engineering team to deploy new hardware and software environments required for Hadoop and to expand existing environments
  • Working with data delivery teams to deploy Hive structures and Sentry rules
  • Cluster maintenance as well as creation and removal of nodes using tools like Cloudera Manager, HDP and Mammoth
  • Performance tuning of Hadoop clusters and Hadoop MapReduce routines
  • Administration and protection of Cloudera Navigator Key Trustee servers and HDFS encryption zones
  • Monitoring and management of Cloudera Backup and Disaster Recovery processes

Other

  • 5+ years experience supporting complex, large-scale Production environments
  • Bachelor’s degree or the equivalent combination of education, training, or work experience.
  • Cloudera Certified Professional (CCP) is desired
  • Certification in one other related technology such as Red Hat Certified System Administrator (RHCSA) is desired