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Flag of India Delhi, India
Member since October, 2010
0 Recommendations


• Operating Servers (RHEL, CentOS, Ubuntu, Windows 2000/2003/2008) • OS upgrade and Patch Management • OpenStack Installation and configuration • AWS (EC2, ELB, RDS, Auto-Scaling, Cloud Front) • Apache/Nginx Web Server under High Traffic Environment • Apache Tomcat with Cluster • Monitoring – Nagios, Zabbix • Database Server (MySQL and Postgresql, HA, Replication, Tuning) • Configuration Management - Puppet • Bash and Perl Scripting • HaProxy, Netscaler (Hardware LB) • CDN (Cloud Front, Akamai) • Core System Administration (RHEL Cluster, LVM, CLVM, GFS2) • VMWare EXS/ESXi installation and configuration • Citrix XenServer installation and Configuration • KVM Server installation and Configuration • Network Fundamentals • ITIL Fundamentals
$18 USD/hr
4 Reviews
  • 44%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • N/ARepeat Hire Rate

Recent Reviews


Sr. Engineer - Cloud Services

Oct 2014

AWS infra support.

Consultant - Cloud Services

Jul 2013 - Sep 2014 (1 year)

 RHEL 5/6, CentOS 5/6, Ubuntu 12/13  Configuration Management - Puppet  Private Cloud (Openstack), BMC-CLM  AWS EC2, RDS, ELB, Auto Scale, Cloud Formation  vSphere HA and DRS cluster design considerations  LAMP, Tomcat 6 and 7 with LB and Cluster, MySQL with Master-Master/Master-Slave Replication, PostgreSQL Streaming replication with HA  Shell Script  Open Source based Application Installation and Configuration  Ticketing - Jira Confluence

Tech Lead - Ops Team

Jan 2007 - Jul 2013 (6 years)

 OS Platform: Linux (RHEL, CentOS, Ubuntu)  Web server: Apache, Nginx, Tomcat with Cluster solution  Conf. Management: Puppet  Cluster: RHEL Cluster Suite  Virtualization: Citrix Xen, VMware ESX/ESXi, KVM  Databases: Mysql and PostgreSQL  Scripting: Bash Script  Versioning Server: Subversion  Server Monitoring: Zabbix, Nagios  Mail Server: Qmail Server  Load Balancer: NetScaler, HAProxy, LVS  Others: DNS, LVM/CLVM, Multi-pathing, OS upgrades/Patching  Ticketing: JIRA • Managed 400+ Linux Servers (Bare metal, Virtual) • Installation, Configuration, Tuning of LAMP and Tomcat with Clustering and Multi-Instance setup • Setup and Maintain RHEL Cluster • Installation and Fine Tuning of MySQL and PostgreSQL Databases • MySQL Database Management with Replication and Load Balancing • PostgreSQL with Streaming Replication 9.x, PGCluster for PGSQL v. 8.x • Configure Load Balancing with HAProxy and MysqlProxy for Apache & Mysql • Monitoring of Linux Servers, Services using monitoring tool (Zabbix, Nagios) • Deployed Citrix Xen Server, migrated all machines from VMware to Citrix xen server • Deployed Virtualization using VMWare ESX with HA and DRS • Setup and Maintenance of Subversion Repository (SVN) • Configuration of Squid, Samba, NFS, FTP • Takes regular backup of Databases using Shell Scripts • OS upgrade and Patch management • Identify, resolve problems and troubleshoot • Implement new services quickly • Shell and Perl Script for Task Automation • Help others members to Identify problems and implement new Open source products. Project Done: (New on TOP) 1. Deployed Openstack private IAAS 2. Implemented Streaming Replication on Postgresql 9.0 3. Deployed VMware ESX for virtualization 4. Deployed Virtualization using Citrix XEN on Blade Servers 5. Migrated Apache Web Servers from traditional Servers to New Blade Servers 6. Migrated Postgresql and Mysql Database server to New Blade Servers 7. Setup Postgresql Clustering and Replication with HA solution 8. Setup Mysql Replication 9. LVS for Apache web servers



2011 - 2013 (2 years)


RHCE (2012)


This is Red Hat Linux System administration certification.

RHCSA (2012)

Red Hat

This is Red Hat Linux System administration certification.