Summary

Overview

Work History

Education

Skills

Certification

DECLARATION

Personal Strengths

Timeline

Padmanaban Narayanasamy

Chennai

Summary

Results-driven professional with over 16 years of experience in automation, build engineering, release management, and configuration management. Proven expertise in designing and implementing CI/CD pipelines that enhance continuous integration, delivery, and deployment processes. Strong background in data analytics facilitates data-driven decision-making, while extensive Linux administration skills ensure scalable automation and infrastructure reliability. Committed to leveraging technical knowledge to drive operational efficiency and support organizational goals.

Overview

years of professional experience

Certifications

Languages

Work History

Technology Specialist

Cognizant Technology solutions

01.2013 - Current

Designed, built, and maintained infrastructure to automate deployment and upgrade processes for enterprise workloads.
Provisioned Virtual Machines (VMs) in VMware using Ansible, integrating tools such as VMware vSphere, govc, and pyVmomi for seamless automation.
Automated RHEL and Windows patching through Ansible playbooks, improving compliance and reducing manual effort.
Contributed to continuous improvement of DevOps standards and best practices across teams.
Enhanced deployment efficiency by implementing fully automated CI/CD pipelines.
Automated manual deployment tasks using Ansible and Shell scripting, significantly boosting team productivity.
Managed version control systems (Git, SVN) to ensure seamless collaboration during development of lifecycles.
Developed custom dashboards using Shell scripts and hosted them on Apache Web Server for real-time monitoring.
Designed and maintained automated pipelines to continuously deliver value to clients.
Provided technical guidance and strategic recommendations to business stakeholders.

Senior System Administrator

Wipro Technologies

12.2010 - 01.2013

Strong technical understanding of high availability of UNIX servers.
Perform installation, upgrades/patches, troubleshooting, and maintenance on LAMP servers
Implementing server hardening process as per security standards
Installing and troubleshooting rpm packages.
Client Server Monitoring through Mrtg, Nagios and shell
The change management process is following as per ITIL standard.
Interact with the clients to talk about the problems and request regarding the complex system issues.
Applying Security patches using yum, rpm and tar.
Automatic Job Scheduling through cronjob
Configuring the Nagios Monitoring tool.
Patch update Service recycle, Server Restart on Unix Servers.
Administration and Troubleshoot the Web server and create new Virtual Host in Apache server.

Systems Engineer

CSS Corporation India Pvt. Ltd. Chennai

03.2010 - 12.2010

Windows 2003, RHEL 3, 4, 5., Apache, Oracle / Weblogic, Product: Blackboard, Webct (E- learning)
Administrating nearly 2500 portal servers in large Network architecture. Remotely Administering datacenters across the globe. I have been responsible for Blackboard Web / DB. Possess extensive experience in the installation, configuration, administration and maintenance of Dell Poweredge servers running in Linux. Providing 24x7 support to the production division in a highly demanding environment. Server hardware like Dell Power Edge 1550, 1650, 1750, 1850, 1855 and 1955.
Worked on High Availability (HA) systems and ran extensive tests to ensure proper functioning of the servers. Implementing server security standards through IPTables, TCP Wrappers, and SSH. Installing and administering web servers. Upgrading all servers in accordance with standard practices and guidelines.
Working on all technical issues, taking sole responsibility and providing competent resolution to all problems during the tenure, ensuring 100% availability of servers for business units. Ensured that all the issues will be solved within the time frame as per our Service Level Agreement.
One of the team members in Task Force Team, to deal with issues in critical situation to maintain the productivity. And writing shell scripts to automate batch processes. Ands also responsible for rolling out the application to Production Environments; analyze the changes of the files to curb breaching.
Working as a liaison between LINUX and other teams such as Networking, Backup, Database Administration, and Technical Recovery teams.
Reduce licensing and infrastructure costs using virtualization to provide cost effective solutions.
Providing near-instant deployment and capacity expansion of linux based ZEN VPS.
Working on (ITIL) – Change Management issues report to Linux management and providing timely accurate and no downtime solutions.

Senior Systems Engineer

Amulya InfoTech India PVT Ltd

07.2007 - 02.2010

Troubleshooting Web server issue and create new Virtual Host in Apache server
Troubleshooting DNS issue and Configuration change like MX, NS, CNAME Records
Installing and troubleshooting rpm packages.
Network Configuring on servers.(Add IP address, Set Hostname, Dns entry, gateway)
Troubleshooting Web server issue and create new Virtual Host in Apache server
Troubleshooting DNS issue and Configuration change like MX, NS, CNAME Records
Client Server Monitoring through Mrtg, Nagios and shell
End of shift sent the report to admin regarding server disk space and load average and band width.
Tweaking and Troubleshooting Apache (Server Wide Issues).
Building and configuring LAMP (Linux, Apache, MySQL, PHP) servers.
To Enhance php (Installing Zend optimizer, ioncube, Eaccellerator)
Backup Configuration using rsync, , tar, S3 and rsnapshot
Installing and Configuring NFS and Samba
Backup and Restore Database (MYSQL)
Installing all 3rd party tools upon client requirement. (rkhunter, Chkrootkit, cpanel, Hsphere, Bfd, Csf, Apf, ioncube, Eaccelleartor, Zend Opimizer etc.
Mysql Dump and Restore
Troubleshooting ftp issue
Handled Mail Server issue.
Open and close port through firewall (Iptables)
Control Load in Servers
Managing our department's system monitoring system, which provided email notifications
Delete Spam and Frozen Mails in the Server

Education

MCA (Master of Computer Applications) -

Bharathiyar College of Engineering Technology, University of Pondicherry

01.2007

Bachelor of science - Computers (B.Sc)

E.G.S Pillay Arts &Science College

Nagapattinam, Tamilnadu, India

01.2004