Virender Kumar

DevOps Engineer

Greater Delhi Area, India15 yrs 5 mos experience
Most Likely To SwitchHighly Stable

Key Highlights

  • Expert in Linux and Big Data technologies.
  • Proven track record in server management and optimization.
  • Strong experience in database deployment and administration.
Stackforce AI infers this person is a Big Data and Infrastructure specialist with extensive experience in server and database management.

Contact

Skills

Core Skills

Linux System AdministrationBig Data ManagementDatabase ManagementReal-time Data ProcessingServer AdministrationTechnical Support

Other Skills

AnsibleApache HTTPDApache JMeterApache KafkaApache SolrApache StormApache ZookeperBashCassandraCiscoGitHDFSHadoopLinuxLinux Server

Experience

15 yrs 5 mos
Total Experience
5 yrs 1 mo
Average Tenure
10 yrs 8 mos
Current Experience

Makemytrip

3 roles

DevOps Manager

Promoted

Jan 2023Present · 3 yrs 5 mos

Assistant Manager - DevOps

Apr 2019Dec 2022 · 3 yrs 8 mos

Sr. Technology Operation Engineer

Aug 2015Mar 2019 · 3 yrs 7 mos

Nextag software and services pvt. ltd

3 roles

Sr. Technology Operations Engineer

May 2014Jul 2015 · 1 yr 2 mos · Gurugram, Haryana, India

  • Management of ~2500 Servers (Physical + Virtual) in three Data Centers.
  • Created and Managed various Linux machines using VMware ESXI, vSphere and vCentre Tools.
  • Written various Manifest in Puppet for syncing configurations(http,ntp,sudoers) among various servers.
  • Installed, Configured and Setup Monitoring of Indexing Tool Apache Solr i.e. Creating/Optimizing #shards in Solr, Coordinator Node, Merger Node, Depths etc.
  • Capacity Planning & Analysis of Apache Solr Cluster using Apache JMeter.
  • Created and Managed various Paths/Nodes/Ephemeral Nodes in Zookeeper and various Queues in Apache Kafka.
  • Created various tools/scripts in Python to extract Data and Setup Monitoring for Solr, Storm and other Live nodes in Clusters.
  • Installed, configured and managed Build deployment tool - Glu, Ansible
  • Installed and Manage Release Automation Tool i.e Git, Gerrit.
  • Installation and Management of Big Data Clusters – Hadoop, HDFS, Hbase of Apache and Cloudera distro.
  • Setup NameNode/Secondary Name Node/HA Cluster of HDFS
LinuxVMware ESXPuppetApache SolrApache JMeterZookeeper+8

Technology Operations Engineer

Promoted

May 2013Apr 2014 · 11 mos · Gurugram, Haryana, India

  • Worked on deploying, upgrading and Administration of Mysql DB.
  • Setup Backup, Replication of Mysql through Master to Slave.
  • Tuned various parameters in mysql to improve throughput.
  • Setup tools for configuration management - zookeeper, Core Messaging System - Apache Kafka and Real Time Data Processing - Storm.
  • Installed, Managed and upgraded various Apache Storm Clusters in 2 DCs.
  • Worked on deploying, upgrading no-sql DB - Cassandra, in multiple Data Centers with Multiple Clusters.
  • Setup Replication and consistency for Read/Write in Cassandra.
  • Tuned Compaction, Repairs, Caches, CFs in Cassandra.
  • Troubleshoot and fix various Live Site Issues.
  • Deployed various live sites through reverse proxy in squid for Bot.
MySQLCassandraApache KafkaApache StormDatabase ManagementReal-Time Data Processing

NOC Engineer

Apr 2011Apr 2013 · 2 yrs · Gurugram, Haryana, India

  • Manage and ensure 1500+ Linux Servers are running smoothly in 4DCs.
  • Administration and Management of Windows/Linux Servers.
  • Managed Server Authentication using NIS, YPBind and Active Directory.
  • Worked on Load Balancer BigIP for creating Vips, Pool and nodes.
  • Created various scripts for monitoring live servers using Bash Shell.
  • Deployment and upgradation of JDK, Apache HTTPD, Mysql, Tomcat.
  • Worked on configuration Management tool Cfengine.
  • Deployment of OS through PXE Server using KickStart.
  • Provide end to end support for all Linux Users for all Kind of Problems.
  • Worked with third-party vendors and Dell support to replace any Faulty Hardware of Desktop and Servers.
LinuxWindowsBashApache HTTPDMySQLServer Administration+1

Ins e solutions pvt ltd.

Linux Engineer

Jul 2010Mar 2011 · 8 mos · Greater Delhi Area

  • Managed 5 sites of ESIC in Faridabad and provided end-to-end solution to the client problems.
  • Installation and Management of Windows/Linux Desktop, servers with N-Computing Devices.
  • Configured various Cisco Switches for various ESIC branches.
  • Installation and Management of Network Printer.
  • Manage ESIC Web Portal
LinuxWindowsCiscoTechnical Support

Education

Delhi University

Bachelor's degree — Physical Sciences

Jan 2005Jan 2008

Govt Boys Sr. Secondary School

Senior Secondary — Science

Jan 2004Jan 2005

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