*Subject:* Very Urgent Requirement BIG DATA Hadoop Administrator
*The candidate will work on an AT&T project but vendor will do the interviews. * Only GC OR USC Phone and Skype. Location: Plano, TX Duration: 12 months plus Professional System Engineer BIG DATA Hadoop Administrator *Location: Plano, Texas* Overall Purpose: Responsible for translating the core architecture for business requirements into the final technical solution (consisting of platform, network, software, etc.) through functional, performance, and reliability analysis using engineering models and techniques, primarily through software development throughout the vertical stack. This is a hands-on role that ultimately results in the delivery of an application or service. Key Roles and Responsibilities: Designs, develops, documents and analyzes technology systems, maximizing reuse of target state platforms such as API, data fabric, or data routers platforms. Engineers integrated hardware and software solutions that meet performance, usability, scalability, reliability, and security needs. Coordinates design, specification, and integration of total systems and subsystems. Assesses (proof of concept) and recommends solutions (algorithms and products) to improve the current systems. Job Contribution: Intermediate level technical professional. Subject matter technical knowledge within a discipline and sound understanding of Telecommunication technologies. *Required Qualifications* · *Bachelor's degree in Computer Science, Computer Engineering or related technical field 3-5 years related technical architect experience.* · *Strong Linux and Hadoop background / experience* · *Experience Monitoring & tuning HDFS for optimal performance and uptime* · *Strong troubleshooting skils (Hadoop/HDFS/Linux)* · *Ability to tune Hadoop itself tuning and resolving HDFS performance and availability issues* · *Experience with HDFS access control methodologies for multiple users in a large multi tenant environment.* · *Experience designing a large Hadoop cluster for optimal performance, H/W configurations/tunings, disk layouts, physical network architecture* · *In depth knowledge of MapReduce & YARN (Hadoop 2.X)* · *Strong knowledge/experience in tuning a Hadoop cluster for multi-tenancy and optimal resource utilization, performance and high availability* · *Experience in troubleshoopting Hadoop/Yarn/MapReduce* · *Experience tuning and troubleshooting MapReduce and general YARN jobs for optimal performance, both on the Command Line as well as via provided UI's.* · *Knowledge and experience providing High Availability NameNodes using Quorum Journal Managers and Zookeeper Failover Controllers Extensive knowledge of various configurations parameters available in mapred-size.xml and yarn-site.xml and locations of various log files Usage of JobHistoryServer (and newer App Timeline Server) UI & API to monitor cluster usage and overall job health,forensics etc* · *Deep knowledge and experience with Hive, HiveServer2, and the Hive Metastore, tuning and optimizing. Knowledge of Hive SQL and SQL syntax and usage (selects, inserts, joins). Bonus points for experience with Tez, and newer file formats such as ORC (Optimized Row Columnar) and why they may be superior to Text, Sequence and RC formats, but also what are some tradeoffs* · *Strong experience using Ambari administering large Hadoop clusters (> 100 to > 1000's of physical nodes) Ambari REST API for automating common tasks along with the monitoring of the over all cluster health.* · *Strong Oozie knowledge and experience developing, deploying Oozie workflows, including coordinator flows and Oozie actions such as the HiveAction* · *Experience deploying and maintaining a zookeeper ensemble within and without Hadoop* · *Experience using Sqoop to transfer data into and out of HDFS & RDBMS* · *Experience tuning & maintaining HBase* *Desired Qualifications* · Experience managing access to the data with XASecure/Ranger for centralized Hadoop cluster authorization · Experience deploying, administrating and tuning MySQL and Postgres DBs, including developing HA & sound BackUp Strategy, plans and implementations. · In depth ability and experience using Linux, sysadmin tools, strong ability to create and debug your own scripts. · Experience using deployment/configuration automation tools such as Ansible · Experience with SOLR for large scale low latency text search · Experience with Kafka for real time data ingestion · Experience with Storm for real time data ingestion · Experience tuning and troubleshooting Spark · Experience with Elastic Search, Logstash, and Kibana for log management · Experience with Graphite for graphing and dashboards Java and Python development experience -- *Nick G.* |* Technical Recruiter **| **Apetan Consulting LLC |* *Tel: 201-620-9700 * 141 **| **15 Union Avenue, office # 6, Rutherford, New Jersey 07070 | * *Mail :-** n...@apetan.com <n...@apetan.com> **| **www.apetan.com* <http://www.apetan.com/> | https://www.linkedin.com/in/nikhil-gupta-a4637391 -- You received this message because you are subscribed to the Google Groups "Oracle Developers" group. 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