Hadoop Administrator (Hybrid Big Data & Cloud Platform)

Administers database systems to protect the confidentiality, integrity and availability of data. Responsible for installations, upgrades, backups, and configuration. They also maintain query language for established database systems, design and execute backup and recovery schemes and implement disaster recovery procedures. Works with end-users and project team members to understand and advise on database and query requirements and capabilities. They are assigned to complex database systems and are relied upon to optimize database performance, configuration, access and security and to serve on project teams contributing database subject matter expertise.

• Responsible for implementation and ongoing administration of Hadoop infrastructure.
• Aligning with the systems engineering team to propose and deploy new hardware and software environments required for Hadoop and to expand existing environments.
• Working with data delivery teams to setup new Hadoop users. This job includes setting up Linux users, setting up Kerberos principals and testing HDFS, Hive, Pig and MapReduce access for the new users.
• Cluster maintenance as well as creation and removal of nodes using tools like Ganglia, Nagios, Cloudera Manager Enterprise, Dell Open Manage and other tools.
• Performance tuning of Hadoop clusters and Hadoop MapReduce routines.
• 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.
• Diligently teaming with the infrastructure, network, database, application and business intelligence teams to guarantee high data quality and availability.
• Collaborating with application teams to install operating system and Hadoop updates, patches, version upgrades when required.
• Point of Contact for Vendor escalation
• DBA Responsibilities Performed by a Hadoop Administrator:

• Data modelling, design & implementation based on recognized standards.
• Software installation and configuration.
• Database backup and recovery.
• Database connectivity and security.
• Performance monitoring and tuning.
• Disk space management.
• Software patches and upgrades.
• Automate manual tasks.

• Related Bachelor's degree in an IT related field or relevant work experience
• 3-5 Years of DBA experience
• 5-8 Years of Hadoop Admin Experience
• Linux, Tools such as Toad, Starburst, Spark, Hadoop, S3, Nifi, Cloud platform, SQL.
• Certificates from AWS/ Snowflake/Azure or equivalent.
• Experience with Spark performance tuning, Cluster support for all data domains for data engineering jobs & warehouse queries both on premises and cloud. Support install/do POC for new tools

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