Feb 2024 – Oct 2024 · 8 mos

Feb 2021 – Feb 2024 · 3 yrs

Mar 2017 – Feb 2021 · 3 yrs 11 mos

Feb 2015 – Mar 2017 · 2 yrs 1 mo · Gurgaon, India

• Led infrastructure operations & devops team in India .
• Managed olx India (www.olx.in) & olx Pakistan (www.olx.com.pk) production infrastructure .
• Complete QA/Staging environment setup and ,management on aws.
• Worked on LAMP stack
• Install/configure/Manage caching tier like Memcached,Redis etc
• Handled database layer as well ,Configuring Mysql master-slave replication,replication chain etc .
• AWS Infrastructure Design & Implementation, Cloud Orchestration & Automation
• Experience working on various amazon cloud services like S3,ec2,VPC,RDS,ELB,EBS,AMI,Multi -AZ,Autoscaling ,IAM,NAT gateway,SES,CloudWatch,ElasticCache,Route53 ,elasticsearch.
• Automation tools like puppet etc.
• Ci/CD with Jenkins
• Troubleshoot production issues faster ,dig down in network layer to find out root cause whenever required .
• Automated various manual task by shell script like daily DB backup,DB reset/refresh for QA environments .
• Configure Akamai CDN for serving dynamic,static & image contents .
• Work on ultra DNS for all domains mapping .
• Aws Infrastructure Automation by tarraform and configuration management by puppet .
• Enabled strong monitoring by configuring tools like Newrelic/Stastd/Graphite,Nagios/Zabbix,CloudWatch and catchpoint for RUM.
• ELK stack implementation .
• Been part of various global technical summits like Infra summit Berlin,Amsterdam,Capetown,Bali Indonesia etc.
• Milestones :
• Migrated OLX Pakistan Infrastructure to AWS cloud .
• Migrated OLX India Infrastructure to AWS cloud .

Feb 2014 – Jan 2015 · 11 mos · Gurgaon, India

• Jabong.com is an Indian fashion and lifestyle e-commerce portal, selling apparel, footwear, fashion accessories, beauty products, fragrances, home accessories and other fashion and lifestyle products.
• Job Profile :
• . Worked on LEMP/LAMP stack
• . Management of jabong’s online shopping portal www.jabong.com , www.jabongworld.com .
• . Installation configuration of Complete LEMP stack (Debian,Nginx,php,php-fpm,msql) .
• . Managed all Prod,Preprod environment like (QA,staging,live) .
• . Master-Master & Master-Slave replication configuration and management.
• . Installation ,configuration of Memcached,Redis for caching objects for performance enhancement .
• . Installation ,configration of nosql db like Mongodb ,Replication.
• . Management of amazon ec2,ELB,S3,EBS on Amazon cloud .
• . Couchbase,pilgrimage ,Citrix Load balancer .
• . Managed CDN (Akamai),cache,cache purge,Digital properties,WAF,Site shield .
• . Version control tools like svn,git ,svn to git migration.
• . Managed monitoring tools like newrelic,Icinga,nagios,Datadog .
• . Installation and configuration of Puppet configuration management tool ,Manifests, Modules .
• . Installation configuration of Docker (design,build and ship) .
• . Automated various tasks by shell script like code deployment,backup,imageupload etc.

Nov 2011 – Feb 2014 · 2 yrs 3 mos · Noida Area, India

• Info Edge (India) Ltd. is an Indian e-commerce/on-line classifieds company founded in 1995 by Sanjeev Bikhchandani and headquartered in Noida, India. It owns internet properties Naukri.com, Shiksha.com, Jeevansathi.com, Naukrigulf.com and 99acres.com and stakes in many other internet businesses.
• Job Profile :
• Management of all Infoedge properties like www.naukri.com , www.99acres.com , www.shiksha.com , www.jeevansathi.com , www.brijj.com , www.allcheckdeals.com .
• Installation, Configuration, Up gradation and Management of RHEL, Centos OS manual or by kickstart .
• Installation ,Configuration of Apache 2 web server.
• Installation & Configuration of Mysql 5 database server.
• Mysql Master-Master & Master-Slave replication configuration and management
• Installation & configuration of PHP 5 .
• Installation & Configuration of Bacula+Webacula backup server , JobSchedule, JobTypes, Filesets .
• Installation & configuration of Monitoring tools like zabbix,MRTG .
• Installation & Configuration of incident management tool like RT (Request Tracker).
• Code deployment by SVN, Capistrano, Webistrano
• Installation and configuration of openldap server for centralized authentication .
• Installation and configuration of Puppet configuration management tool ,Manifests, Modules .
• Installation and configuration of LVS load balancer to build highly scalable and highly available network service like httpd .
• Installation and configuration of AWStats Logfile analyzer to generate advanced web statistics graphically.
• Worked via RT (Request Tracker) ticketing system and responding to ticket escalation from Infoedge users
• Respond to security incidents, Monitoring Critical alerts through Zabbix and various monitoring shell scripts.
• Interaction with other departments and teams for implementation of new services and or changes to current architecture.
• Provide Second-tiered 24x7 supports for production infrastructure.

Feb 2011 – Nov 2011 · 9 mos · Gurgaon, India

• Mahindra Comviva is the global leader in providing mobility solutions. It is a subsidiary of Tech Mahindra and a part of the $16.5 billion Mahindra Group. Its mobility solutions are deployed by over 130 mobile service providers and financial institutions in over 90 countries, transforming the lives of over a billion people across the world.
• Project Handled
• Vodafone Turkey
• Product: WAP Gateway (MIG)
• Airtel Zambia, Africa
• Product: WAP Gateway (MIG)
• Key Responsibilities
• Installation and configuration and management of Mobile Internet Gateway (MIG).
• Installation, Up gradation and management of RHEL servers manually or kickstart .
• Installation & Configuration of Mysql 5 database server.
• Day-to-day operational support and maintenance of product till project handover.
• Installation and configuration of Linux high availability & Load balancer (Heartbeat/ Haproxy/Ldirectord).
• Installation and configuration of monitoring tools like Comviva OAM ,mrtg ect.
• Interaction with customer during UAT till final deployment of product as per requirement.
• Interaction with third party vendors for any support needed at the time of issue .
• Shell script deployment for various daily routine task like backup, backup written in disk, installation, log rotation, monitoring mysql slaves, fetching complete system info by one go .
• Co-ordinate with hardware as well as OS team for getting all purposed servers installed at client sight.
• Patching of OS and applications as per requirement.
• Interaction with other departments and teams for implementation of new services and or changes to current architecture.
• Identify and troubleshoot performance bottlenecks

Jan 2010 – Feb 2011 · 1 yr 1 mo · Noida Area, India

• TechTree IT Systems has diversified its operations in many different industry segments in India.Provides Business Solutions ranging from Enterprise, Mobile Solutions, Reports & Analytics, Social Enterprise Networks to Cloud Computing.
• Project Handled.
• Client : Defence Ministry PCDA (Principle Controller Of Defense Account )
• Key Responsibilities
• Installation – Kickstart, PXE boot, network (nfs/ftp/http/tftp) install, kickstart config. – pre% post% install scripts.
• Installation, configuration and management of BroadVision application server.
• Installation, Configuration of Apache 2 web server.
• Apache configuration with ssl for encrypted communication between client and server .
• Installation & Configuration of Mysql 5 database server.
• Mysql Master-Master & Master-Slave replication configuration and management.
• Disk Management – partitioning tools like fdisk, sfdisk etc. – file system management – ext3/reiserfs/jfs – filesystem utilities (mke2fs,fsck, dumpe2fs, tune2fs) – LVM – physical, logical, volumes – volume groups –
• extending filesystems on LVM – mount, unmount of filesystems - /etc/fstab – mount options – disk quota – automounter.
• 24x7x365 email, mobile duty in a production environment
• Monitor site and take quick action for resolving the issue .
• Co-ordinate with dell support team in case of any fault in blade servers and replace faulty hardware within appropriate downtime .
• Installation, configuration of Red hat , Centos , Windows XP operating systems .
• Patch management as per advisories on broad vision application server within timelines.
• Design, implementation & Administration of Structured Cabling Network using Routers, Switches, Hubs.
• Attending and solving user’s problems.
• Installation, configuration, of Nagios with event handler.