Job Description :
Barrister Global Services Network Inc. is currently looking for a motivated, highly detailed, organized and outgoing individual to support one of our major nationwide clients. The successful applicant should be able to quickly adapt their knowledge to the current IT environment and be able to enhance the current systems in place. They should also possess excellent verbal and written communication skills so as to be understood by technical and non-technical personnel.

Barrister Global Services Network Inc. is currently looking for a motivated, highly detailed, organized and outgoing individual to support one of our major nationwide clients. The successful applicant should be able to quickly adapt their knowledge to the current IT environment and be able to enhance the current systems in place. They should also possess excellent verbal and written communication skills so as to be understood by technical and non-technical personnel.

Job Summary :

Hadoop Administrator on a team that supports Cloudera based Hadoop cluster We are looking for a creative individual who can effectively manage projects and multiple tasks to meet business objectives.You will be responsible for the support, design, maintenance, configuration and monitoring of the environment that spans multiple technology layers (i.e. Hardware, OS, Database, Application , Security, etc. This position requires a sharp, hard-working individual who is ready to pitch in and do whatever it takes for the team to successfully stand up, roll out and support Along with the technical work, there will be a need to establish successful processes and documentation. This individual will participate in administration of the environment, integration of external tools/software as well as all strategic and tactical planning required to meet specific business needs. You will also be expected to deliver excellent customer service and to interact in a highly effective manner with other team members and management.


Essential Job Functions:

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 the operating system and Hadoop updates, patches, version upgrades when required.



Requirements :


Over 6 years of experience
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)
Experience with Hadoop Cloudera.


Preferred :
SQL and HiveQL knowledge
Oozie Workflow scheduler system
Experience with Python
Experience with Spark



Employment Type:
Contractor
(6 months)
             

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