Job Description :
Position: Senior Hadoop Administrator
Location: Milwaukee, Wisconsin
Duration: 1 year

Skills and Experience:
10 years IT, 4+ yrs. hands-on administration experience on Large Distributed Hadoop System on Linux
Technical Knowledge on HDFS,YARN, MapReduce, HBase, Zookeeper, Sqoop, Oozie, Spark, Pig and Hive
Administration of Hortonworks HDP including installation, configuration, performance tuning, capacity planning, backup
Hands-on Experience as a Linux System Admin with shell scripting skills.
Experience with SSL & Kerberos installation and configuration for Hadoop services and integrating Hadoop services with LDAP.
Managing secured SSO access to Hadoop Cluster resources
Knowledge of Kafka is a plus
Hadoop Certification is preferred
Hand-on experience in Azure and Google cloud for Big Data solutions
CI/CD setup and configuration for ETL development environment using Git, Jenkins and Nexus.
Experience setting up/configuring system wide health and metric gauges/alerts
Deep understanding of system architecture and ability to validate system configurations from hardware layer to Hadoop Application layer
Handle basic and advanced Database Administration tasks including day-to-day administration, deployments, performance tuning, backup/recovery, etc.
Knowledge of Java to test Hive, Map-Reduce Jobs and Spark Jobs
Hands on experience analyzing and optimizing SQL(generic/distributed) queries.
Experience with developing and implementing functional test cases and performance testing
Strong scripting skills in Linux environment

Roles and responsibilities
Manage Bigdata and ETL environments running on premise and cloud infrastructure.
Work on ITSM incidents and developer requests and meet SLA.
Impact analysis for any incidents and restore the system to reduce business impact.
Work on Linux, Hadoop, cloud, Database systems.
Must be independent player, own the tasks and ensure to deliver on time.
Team player need to coordinate with developers, architects and infra structure team, governance team.
Coordinate with offshore team to meet deliveries deadlines.
Willing to take escalations at odd hours from offshore team.
Work with development teams to architect solutions.
Work simultaneously on multiple projects competing for your time and understand how to prioritize accordingly.