This document provides a summary of Samkumar Gandi's experience and qualifications. He has over 8 years of experience in Linux system administration, application server management, and virtualization. He is proficient in technologies like Apache, JBoss, Tomcat, MySQL, Oracle, and cloud platforms. He has worked on projects involving server setup, maintenance, performance tuning, security, and incident/problem management. He is certified in Red Hat technologies and holds qualifications like Bachelor of Technology in Computer Science.
Samkumar Gandi's Resume - Linux System Administrator with 8+ Years of Experience
1. SAMKUMAR GANDI
samkumar.gandi@gmail.com
Phone: +1-916-836-7396
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Experience Summary
Dynamic and result oriented IT Professional with 8 years of experience in Core Linux system administration &
Application Server management.
Certified in Virtualization Administrator (KVM) with experience in VMware, Xen with HA, Clustering and live
migrations.
Extensively worked on Apache Web and application Clustering Instances to achieve Load balancing, high
availability and Failover functionality.
Certified in Jboss administration, and have experience working with High availability & clustering of Tomcat and
Jboss based applications.
MySQL database administration which includes configuration, tuning, replication setups, backups and restoration.
Proficient id Oracle database and SQL plus
Proficient with Cloud architecture, private and public clouds (IAAS, PAAS & SAAS) and administration tool
OpenStack.
Storage Management and Administration based on SAN and NAS.
Proficient in Network management with routers and switches and firewalls to maintain a small office network.
Automation of regular tasks using shell scripting.
Good understanding ITIL concepts Incident management, change management, problems management and
experience with change control tools like Jira.
Proficient in monitoring tools Nagios, OP5, Cacti and Big Brother.
A competent, co-operative and result driven IT consultant possessing excellent interpersonal, written and oral
communicational skills.
Education:
o Bachelor of Technology (BTECH) with majors in Computer Science Affiliated to J.N.T University 2006.
Certifications:
o RHCE (Red Hat Certified Engineer) Certification NO: 110-310-422
o RHCVA (Red Hat Certified Virtualization Administrator)
o RHCJA (Red Hat Certified Jboss Administrator)
o Cloud-Specialist certificate from Cloud Enabled.
2. Achievements:
o IGT- Silver Excellence award for outstanding performance in migrating IVT Physical to Virtual environment.
o Ness Technologies - Best employee of the 2nd quarter (JUNE 2013)
Professional Experience:
IGT Global Solutions Corporation (http://www.igt.com/)
Project: IVT (Interactive Video Terminals), [February 2014 – Till Date]
Role: Senior Server Administrator
IVT is Interactive video terminals in casinos across Romania and Hungary the backend servers implemented on Linux
with c++. Installation/upgrade of the backend software.
Responsibilities:
Setup of new Physical and VM servers with PXE and kickstart and installation of application.
Maintenance of the servers using ILO, OpenManage and vCenter.
Security Bug fixes and maintaining PCI compliance on all the servers.
Application installation, release, management and maintenance.
Working on Oracle and MySQL basic tasks.
Maintenance of and tuning Web servers used for WordPress blog sites.
Working on Linux LVM, DNS, SFTP, SSH key management.
VMware Vm build cloning migrating vMotion HA DRS and data sources.
Experience working with developers, QA teams and coordinated with DB, project team to fix priority Incidents
Level3
Basic troubleshooting Network related issues switches and firewalls.
Servers maintenance using Puppet.
Mentoring and providing product training for new boarders.
Environment: VMware, RHEL 6, Httpd, CMS, Sftp, Nfs, Qmail, Pitboss, Oracle.
Project: IBN (International Bingo and Casino Network)
IBN is International Bingo Network. The IBN has Multi player Bingo and various single player games instant games from
different vendors. Various modules like gaming, gaming adaptors lottery engine and management apps all J2EE
implemented running on Jboss 4.x/EAP 5.x in Linux VMs Environment using Oracle DB.
Responsibilities:
Initial setup of new Jboss EAP 6, Adobe CQ5 portals, tomcat.
Clustering of Jboss EAP 5.x and EAP 6.x nodes integrating with Apache with mod_jk, mod_cluster.
Configuring data sources to backend Oracle DB pools setting min, max pool sizes.
Extensively worked in change management tickets for Production deployments.
Handling of Incident tickets related Apache Jboss EAP and resolving them.
Handling Periodic maintenance during OS security patches and time zone changes handling restarts
Tuning memory parameters, connection pools, timeouts on Apache and Jboss EAP.
Troubleshooting Linux, Apache, Jboss issues by taking Heap dumps and thread dumps.
Isolating problems and resolving issues by analyzing logs and coordinating with relevant teams
Worked on DNS zone file setup and configuration.
Mail domains and User creation on Qmail.
User and Group administration.
Resolving issues by analyzing logs and by checking the System configurations.
Isolating the issue and resolving it taking the help of concerned team (App, DB).
Worked in environment having Cisco Ace, Cisco ASA for load balancing requests.
3. Performing Morning checks and housekeeping activities to ensure everything is going fine in Production
environment.
Resolved issues related to network and Operating systems, firewalls always meeting SLA.
Managing file systems (Creating file systems, extending file systems)
Experience working with developers, QA teams and coordinated with DB, project team to fix priority Incidents.
Environment: RHEL 5 Jboss EAP 5, Tomcat, Httpd, CMS, sftp, Nfs, Qmail, Oracle
Ness Technologies (Pvt.) Ltd. http://www.ness.com [Sept 2011 – Jan 2014]
[Sr. System Administrator]
Roles (L3 Linux Server support)
o L3 Linux server support and Applications support for different projects in the org.
o Image server support for Street View applications.
o Supporting ~3000 local users working on Ubuntu Linux OS.
o Maintenance of Apache webservers and application servers Jboss and Tomcat which are hosting the internal
applications hosted on servers in Remote IDC.
o Maintenance of Virtual Machines under XEN & KVM and Cluster management.
o Puppet setup, configuration and LDAP server setup, maintenance.
o PXE boot installation setup and configuration.
o RHN satellite server setup and maintenance.
o Customizing, performing Kernel updates in Linux.
o Memcached configuration and troubleshooting for load balancing the applications.
o Troubleshooting and resolving for any Hardware issues on the Atlas hosted servers in the IDC.
o Automation using Shell scripting.
o Administration and Maintenance of on-line testing tool (Moodle and Noodle)
o Creating or Updating the BUGS in buganizer related to Atlas application.
o Monitoring the servers info and working on the stats .
o Working on guts ticket system and resolving server tickets.
Zeta Interactive Systems (Pvt.) Ltd. http://www.zetainteractive.com
[System Administrator – NOC Dept.] May 2008 – Oct 2011
Role: Install Engineer/System Administrator (NOC Dept.).
o Maintaining around 400 (DELL & HP) servers located in remote datacenters.
4. o Configuring and managing customer domain DNS records with domain keys and SPF records.
o Mail server configuration and management (Send-mail and Qmail)
o Maintenance of LAMP services and tuning.
o MySQL installation tuning and basic administration setup replication.
o Backup administration and restoration of File System and MySQL Database.
o User and Group administration customizing it using SUDO.
o Configuring and maintaining Pro-FTP server.
o Preparing RCA document for server or application crash.
o Providing shell scripts for automating regular manual system activities.
o Managing system related activities like configuring system log rotation, preparing SAR report,
o GPG keys creation.
o Preparing and applying Linux OS Hardening Checklist.
o Managing Tape backups using CA software.
o Maintaining corporate mail server (Windows Exchange Server 2003).
o Configuring and integrating servers into monitoring tools like Big Brother, Nagios.
o Security Administration and applying PCI standards – Add/remove/Troubleshoot Security Policies.
o Worked with the external tool Power MTA for email blasting and delivery.
o Documenting system configuration related changes.
o Basic Load Balancer configurations for Apache service (Load Balancer.org)
o Working with vendors for any H/W related issues on the servers.
o Agile and Atlassian tools Jira, Jira-Agile, Confluence, GreenHopper and Celoxis.
Personal Profile
Date of birth : 22 FEB 1984
Marital status : Married
Passport : Z3109786
Visa : EAD (Exp: 19-AUG)
Current Location : Greenville, South Carolina - 29615