May 2019 – Apr 2022 · 2 yrs 11 mos · Bengaluru Area, India · Hybrid

Sep 2018 – Jan 2019 · 4 mos

Sep 2017 – Sep 2018 · 1 yr

Jan 2017 – Aug 2017 · 7 mos · Noida Area, India

Apr 2014 – Dec 2016 · 2 yrs 8 mos · Bengaluru Area, India

• Projects:
• Worked on various intuit offerings and migrated them (Desktop/online payroll) to Intuit managed datacenters.
• Configuration management for various projects.
• Capacity planning (Managing hardware related stuff according to the expected traffic) and Designing the skeleton of enterprise applications infrastructure from scratch at component level like apache, java application stack, caching layers, proxies etc.
• Monitoring the environments via various tools like newrelic, nagios customized checks for mail alerts/notifications etc.
• CI/CD pipeline from code commit to project build, test cases, till the deployment to a non-prod (developments/branch/trunk/hotfix/uat/perf) environments.
• Splunk reports, dashboards and porting the logs to splunk servers from various sources.
• Migrated various development environments to AWS.
• Deployment on Production and ensuring the availability of Production environment during the deployment/Production pushes.

Apr 2010 – Apr 2014 · 4 yrs · Bangalore

• Technology: RHEL 4/5, Bash Scripting, Apache, VIP Load Balancer, Mysql HA, Unix Internals, Apache Traffic Server, Akamai, RAID/LVM, Hadoop Cluster, Cloud Storage,Vespa (lucene like backend) XML based search system, Caching layers squid, jdbm, mdbm, memcached and other content caching platforms,Apache traffic server to handle huge traffic.
• Capacity planning ( Managing hardware related stuff according the expected traffic ) and Designing the skeleton of enterprise applications infrastructure from scratch at component level like apache, mysql, caching layers, proxies etc.
• Provide operational support for developers and users of the Yahoo!, Includes responsibilities such as responding to outages, IRC channels, configuring hosts, performance tuning, and planning and executing hardware upgrades.
• Load and performance testing for enterprise web applications.
• Deployment on production and ensuring the availability of production environment during the deployment.
• Monitoring review and writing scripts to enhance the monitoring, Ensuring consistent monitoring tools are in place, and documentation accurately reflects the current configuration.
• Managed the development and implementation process of new environment, involving cross-functional teams.
• Lead new initiatives for production pipeline and trained the noc, and first 3 level of support teams .
• Following complete Change management Process.
• Automating the things and ensuring the config management via various tools.
• Participate in a 12x7 (daylight hours) on-call pager rotation.

Jan 2009 – Jan 2010 · 1 yr · Gurgaon, India

Sep 2007 – Dec 2009 · 2 yrs 3 mos · Delhi

• OS Level:-
• Working on Linux (Debian, RHEL,ubuntu,Centos,fedora+ VMware esx and esxi) servers.
• User management &Privilege issue (Traditional,Extended,Security Risks,ACL,Sudoers,SUID,SGID,Sticky bit permissions)
• Concept of Selinux
• Performance Monitoring (CPU Alerts, Run queue, Load Average, Memory Alerts, Disk Utilization, I/O error)
• Boot Sequence and multiple run levels
• Process management (Process states ,Zombie Process, Priority Handling)
• Patch Management (RPM Cycle,up2date,yum)
• Process Management (Process states, Zombie Process, Priorities handing)
• Device Management (Modules,Kudzu,HBA)
• Network Management (Configuration and trouble shooting)
• ILO, DRACK monitoring
• Build, rebuild, rescue
• Working win SAN storage.(compillent)
• RAID,LVM and other disk related activities
• Security (Key Management,Tcp_wrappers,pam,iptables)
• Application Level:-
• Bash shell Scripting and maintenance
• Maintaining Mail(Postfix, Sendmail)
• Openldap gal
• DNS server BIND9 (Master, Slave, Caching).
• OPENVPN (site to site + user vpn)
• Quagga routing (ospf + Zebra)
• Proxy server (SQUID proxy caching server).
• NIS /NFS/SAMBA servers
• Web server Apache2+Tomcat+php5.
• Maintaining SVN server.
• Purchasing domain and SSL certificates.
• Database management like MYSQL/PGSQL.
• Monitoring system – Nagios
• Bandwidth monitoring –Cacti.
• Php-syslog-ng for centralized logging.
• Antispam servers (roaring penguin)
• Nessus security scanner
• Knowledge of Business continuity planning.
• Firmware upgrade for servers
• Email Accounts (Microsoft Exchange 2000 and 2003).
• Group policies through Active Directory
• Maintaining different client’s desktops issue.
• Making calls to US clients.
• IPTABLES firewall
• Asterisk system
• Vmware, ESX, ESXI server(Various tools like vmware converter+virtual center+vsphere) .
• Maintaining Application servers ( Jboss+Tomcat)
• Monitoring the tickets of junior staff
• Working with various web interface webmin,Cpanel,Plesk

Jan 2007 – Sep 2007 · 8 mos · New Delhi Area, India

• Coordinating, fresh Network Infrastructure installations & Implementations.
• Planning & Designing of new Networks (securities, protocols, administration levels)
• Network Administration.
• Heading a technical team of 35 Network &Hardware Engineers placed at different branches of the Interactive business solution.
• Active member of a technical team providing Communication Network solutions to the clients.
• Working in co-operation with marketing team for giving Presentation & Demonstration to companies prospective clients.
• Linux(ftp+dhcpd+httpd+squid+iptables+sendmail+nagios+nis+nfs)
• Windows(DNS+dhcp+web+ftp+ris+ras)
• Telecommunication (Handling 3 switches having E1 and PRI cards & lines about 500 extensions +ACD) Inbound +Outbound Router Cisco 2600 ,1600, Dax 800 Cisco 1800 series switch

Jan 2005 – Jan 2007 · 2 yrs · New Delhi Area, India

• Handling a team of 10 members.
• Customise & implement open source solutions based on LAMP concept to be used on production level.
• Team and Inventory management.
• Interact with clients and vendors for IT infrastructure management.
• Train and provide help to team members in troubleshooting server, workstations and network related faults.
• Set up Linux gateway/router with Iptables firewall and Samba Server.
• Handle and troubleshoot of PBX - Coral IRIS - IVDX and DX-2000 voice switch and installation and maintenance of CTI applications for the switches - AMS server and Coral Call Capture respectively.
• Linux(ftp+dhcpd+httpd+squid+iptables)
• Windows(DNS+dhcp+web+ftp+ris+ras)
• Telecommunication (Handling 3 switches having E1 and PRI cards & lines about 500 extensions +ACD) Inbound +Outbound.
• Postfix, Send mail MTA’s with spam filtering.
• IVR and other INBOUND call management stuff.
• Symantec Antivirus Management.