*Hadoop Administrator* *Cincinnati, OH*
*6+ Months Contract* *Hadoop certifications* *Requirements:* *(Overall years of experience) *This requires a seasoned professional 4-6 years utilizing Hadoop within a big environment. Looking for someone who has been hand-on along with someone who has taught Hadoop development. *(Preferred technologies) Oracle BDA *(Big Data Appliance) Hadoop, Cloudera, Kerberos Security. *(Certifications required) *There are no required certifications, but development certifications would be a plus. *Technical Responsibilities:* · The design, care, and feeding of Big Data environments built upon technologies in the Hadoop Ecosystem · Day-to-day troubleshooting of problems and performance issues in our clusters · Investigate and characterize non-trivial performance issues in various environments · Work with Systems and Network Engineers to evaluate new and different types of hardware to improve performance or capacity · Work with developers to evaluate their Hadoop use cases, provide feedback and design guidance · Responsible for ongoing administration of Hadoop infrastructure. · Work 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. · Performance tuning of Hadoop clusters and Hadoop MapReduce routines · Manage and monitor Hadoop connectivity, performance, security, log files · HDFS support and maintenance, capacity planning · Collaborating with application teams to install operating system and Hadoop updates, patches, version upgrades when required. * Required Skills:* · Experience with Cloudera · Experience Hadoop system administration including HDFS, Yarn, MapReduce, Hive, Pig, HBase · In depth knowledge of configuration, capacity planning and tuning of services such as MapReduce, Hive, Yarn, HBase · In depth knowledge of HDFS file formats such as ORC, Avro, Parquet and others · Experience with data ingestion and streaming frameworks such as Sqoop, Flume, Kafka · General operational expertise and excellent troubleshooting skills, understanding of system capacity, bottlenecks, basics of memory, CPU, OS, storage, and networks · Experience with Kerberos (security) *Pluses:* · SQL and HiveQL knowledge · Oozie Workflow scheduler system · Experience with Python · Experience with Spark · Exadata *Abhishek Ojha* 732- 837- 2138 *ao...@sagetl.com <ao...@sagetl.com>* -- You received this message because you are subscribed to the Google Groups "it req" group. To unsubscribe from this group and stop receiving emails from it, send an email to it-req+unsubscr...@googlegroups.com. To post to this group, send email to it-req@googlegroups.com. Visit this group at https://groups.google.com/group/it-req. For more options, visit https://groups.google.com/d/optout.