Chandan Varma Gadiraju

E-mail: adou2l@r.postjobfree.com Mobile: +91-800*******

Hadoop Administrator -Bigdata

Professional Summary:

Total Experience 5 years 4 months & 4 years as Hadoop Administrator.

A Seasoned Systems Administrator with in depth knowledge and extensive experience in managing Linux based servers and Big Data Clusters.

Setup Big Data Clusters using distributions like Cloudera and Hortonworks.

Server Automation using tools like Ansible, Chef and Shell Scripting.

Ability to setup Big Data Clusters on AWS, GCP and OVH for client proof of concepts.

Key Skills:

Primary Skill Category

Hadoop Administration: Cloudera Distribution, Hortonworks Distribution, HDFS, YARN, Hive, Sqoop and Kerberos

Sub Skill

Linux/Unix Administration

Configuration Management Tool

Ansible

Monitoring Tools

Cloudera Manager and Apache Ambari

Frame Works

Hadoop MapReduce

Work Experience:

Capgemini (Consultant) May 2020 – Present

HSBC Project - Roles & Responsibilities:

Handled HSBC project which contains 90 Clusters with 5400 Nodes in it.

Using Hortonworks Distribution with HDP & HDF Clusters.

We use to follow Agile methodology by having JIRA Dashboard and also Sprint for every two weeks and Scrum calls Daily.

Worked on Patching Activities for RHEL Servers and SSL Renewal of Certificates.

Familiarity with open-source configuration management and deployment tools such as Ansible and Linux scripting.

Performs Upgrades of DB2, RHEL Linux servers, Ambari & HDP upgrades.

Performs root cause analysis on failed components and implements corrective measures.

Stratosphere IT Services Pvt. Ltd. (Hadoop Administrator) May 2019 – May 2020

MBFS Project - Roles & Responsibilities:

Setup, installation, configuration and Administration of 15-node HDP 2.6.1 & Ambari 2.5.1 Hadoop cluster on our own Data Centre.

Upgraded to the latest version of 2.6 which is HDP 2.6.5 & Ambari 2.6.2.2 and moved towards in place migration to CDP-DC 7.1

Continuous monitoring and managing the Hadoop cluster through Apache Ambari for Hortonworks distributions.

Manage and review Hadoop log files and File system management and monitoring.

Setting up automatic failover control and manual failover control using Zookeeper and Quorum Journal Nodes

Performed High Availability of our cluster for existing Name Node/Resource Manager.

ITVersity (System Engineer) Jan 2018 – April 2019

Roles & Responsibilities:

An active participant in Big Data community https://discuss.itversity.com

Worked with DevOps tools - Ansible, Chef, and Vagrant

Experience monitoring and troubleshooting issues with Linux memory, CPU, OS, storage and network

As an admin followed standard Back up policies to make sure the high availability of cluster

Setting up and Managing Big Data Cluster

Handled Upgrading (HDP 2.5 to HDP 2.6) of the real-time cluster with 1000 users

Handling tasks like System monitoring - HDFS Disk utilization and long-running jobs

VonExpy Softech Pvt. Ltd. (Linux System Administrator) June 2016 – Dec 2017

Roles & Responsibilities:

The primary responsibility is to carry out day-to-day tasks of System Administration and Monitoring and updating Tickets (issues) through Incident management system.

Responsible for installation, configuration, management and maintenance over Linux systems.

Remote Administration of Manageable Routers & Switches with Telnet and SSH

Package Management using RPM & YUM, Disk Management: Partitioning tools like fdisk, parted etc.

Administrations of Users and Groups.

Scheduling jobs using Crontab.

Education:

B. Tech (Computer Science) from Saveetha University, Chennai, in 2016.

Certification:

Red Hat Certified System Administrator (RHCSA), Certification No: 170-235-501

Personal Details:

Birth Date : 19th October 1994

Languages Known : English, Telugu, Hindi and Tamil

Passport No. : P4329701

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