Summary

Overview

Work History

Education

Skills

Personal Information

Languages

Projects

Timeline

SAGAR J

Hadoop Admin

Bangalore,Karnataka

Summary

3.3 years of experience in IT industry, currently working as a Hadoop Administrator at Trinity Moblity Pvt Ltd on BigData using Cloud Platforms.
Skilled in cluster maintenance, troubleshooting, monitoring, backup & recovery strategies, and Hadoop ecosystem installation.
Expertise in commissioning and decommissioning nodes, configuring backup, and recovering from Name Node failures.
Proficient in setting up Kerberos security using Cloudera Manager, and installation and configuration of various Hadoop ecosystems.
Experience in HDFS tuning, MapReduce, YARN architecture with high availability and analyzing log files for root cause identification.
Implemented CDH and set up Hadoop & Kafka ecosystems using both manual configurations and automation scripts.

Overview

years of professional experience

Work History

Big Data Admin

Trinity Mobility Pvt Ltd

Bengaluru

02.2022 - 05.2024

Managed cluster maintenance, troubleshooting, and performance tuning
Configured and monitored HDFS, YARN, MapReduce, and other Hadoop services
Implemented backup strategies and disaster recovery plans using GCP
Provided 24/7 on-call support for production environments, ensuring prompt resolution of critical issues
Installed and managed Cassandra clusters for high availability and fault tolerance.

Trainee

ConnectM Technology Solutions Pvt Ltd

06.2018 - 07.2019

Assisted in deploying and maintaining Hadoop clusters
Supported various data processing and analysis projects.

Education

Bachelor of Science - Computer Science

KS School of Engineering And Management

Bengaluru

07-2016

Skills

Big Data/Hadoop: HDFS, YARN, MapReduce, HBase, Hive, Tez, Kafka, Zookeeper, Apache Ranger, Atlas, Solr, Spark, Sentry, Impala, HUE, OOZIE
Programming Languages: Java (Intermediate), Python (Beginner), Shell Scripting
Databases: Postgres SQL, MongoDB, HBase, MySQL, Cassandra

Distribution Management: CDH, Hortonworks, Apache Hadoop, Bigtop
Operating Systems: Linux, Windows XP/10, Ubuntu, Red Hat 7-9, CentOS 6-9
Applications: Druid, Oracle Application Support, SQL Server Management Studio, SQL Developer, Cloudera Manager, Kafka Tool

Personal Information

Date of Birth: 06/05/1994

Languages

Kannada
English
Tamil
Telugu

Projects

Projects Undertaken

Bengaluru Safe City

Duration: March 2023 - Present
Tools Used: HDP, Ambari,HDFS, HBase, Hive, Phoenix, Kafka, Zookeeper, YARN, MapReduce2
Description: Installed and configured a comprehensive Hadoop ecosystem to establish a robust vehicle tracking system.
Implemented HDFS for data storage and management.
Set up HBase for real-time data querying and processing.
Developed Hive queries for data analysis and reporting.
Integrated Apache Kafka for real-time data streaming and processing.
Configured Zookeeper for centralized service management.
Orchestrated resource allocation and scheduling using YARN.
Ensured seamless operation and performance optimization of the Hadoop ecosystem.

Maha112 - Complaint Register and Emergency Service

Duration: March 2023 - Present
Tools Used: Similar to Bengaluru Safe City project.
Description: Implemented a Hadoop-based system to manage emergency service data efficiently.

EWDS - Early Warning Disaster Management System

Duration: March 2022 -June 2022
Tools Used: Similar to Bengaluru Safe City project.
Description: Developed a disaster management system using the Hadoop ecosystem to ensure timely warnings and data management.

Chennai Smart City

Duration: July 2022 - February 2023
Tools Used: Similar to Bengaluru Safe City project.
Description: Installed and configured the Hadoop ecosystem for smart city data management and analytics.

AP-108 Emergency Service

Duration: March 2023 - November 2023
Tools Used: Similar to Bengaluru Safe City project.
Description: Implemented a robust data management system for emergency services.

Apache Bigtop and Ambari 2.8.0

Duration: July 2023 - Present
Tools Used: Bigtop, Ambari, HDFS, HBase, Hive, Phoenix, Kafka, Zookeeper, YARN, Ranger, Druid, Atlas, Spark2, MapReduce
Description: Engaged in R&D focusing on Apache Bigtop and Ambari 2.8.0, ensuring the latest tools and technologies are integrated within the Hadoop ecosystem.