Linux Engineer System Administrator

.

CONTACT

Address: *** *** **** ****

Bridge Water NewJersey

USA-08807

Phone: +1-908-***-****

Email: ******.***********@******.***

SKILLS

OS - RHEL6,7,&8, Ubuntu, Centos,

Lubuntu.

Bash scripting.

Webservers - Apache HTTPD, Tomcat

& Ngnix.

Opensource - Nagios,Zabbix,

Logalyze,GIT,Moodle,Cacti,PWM &

Wordpress.

AWS - EC2 & S3 Bucket

Automation - Ansible

Patch Management expert.

Vulnerabilities Management expert.

Flexible & adaptable.

Infrastructure development.

Extensive knowledge of Linux

software.

LANGUAGES

Tamil: Native language

English:

Advanced

PROFESSIONAL SUMMARY

A senior engineer with 7+ years of supporting IT Infrastructure, managing Linux servers. Extensive background in Linux automation design, access logistics and data distribution. Ability to work effectively with all levels of a technical support organization. Proven ability to lead small groups. Have initiative to learn new environments and technologies. Work History

Tech Lead - Sep-2021 To Dec-2022

Cognizant Technology Solutions India Pvt Limited - Chennai, India

Develops and deploys best practices for production and development environment

Installing the RHEL,Centos, ubuntu,AMI2 operating systems flavours on the servers.

Based on the application team requirement configuring & disabling the cronjobs.

Responsible for Creating,modifying &deleting the user and groups.

Assigning the permission to the user and groups.

Managing the file system backup and restore the backup using tar utility.

Build the New server with package installation and handover the server to the application team on timely manner.

Patching the servers in a quarterly basis on the Non-production and production server via raising the Change Request.

Configuring the LVM & Managing the Partition as per the application team request.

Implemented the Ansible Scripts for Patching management Activity.

Generating the CSR & Installing the SSL certificate for the server applications.

Expanding the Filesystem using LVM & mounting it in the preferred path.

Monitoring the production server health alerts and acts for the resolutions.

Installing the application tools like Jenkins,devops & Monitoring tools

Installed and configured GIT application for software team for upload their codes.

Handling the Ticket and closing before SLA.

Maintaining AWS EC2 Instance & S3 storage according to the requirement.

Client end Emails are followed up with regular intervals for closure of the issue.

Peridocally working on the Linux servers vulnerability Report for the remediation.

Configured S3 bucket has backup mount point for the application codes.

Responsible for tracking & maintaining and updating the server inventory.

Participate in Incident Management calls & provide periodic updates during service outages.

Create & Present the Change Requests (CRs) - to be performed on the PRODUCTION setups during weekly CAB Review. (Change Advisory Board).

MADHAN GUNASEKARAN

LINUX ENGINEER

Co-ordinate with the Oracle vendors for planning Patch events for Exacc Cluster.

Follow-up & participate in discussions with the principle vendors while troubleshooting major issues in order to conclude constructive and conclusive RCA.

Hands on in writing the bash script according to our application or internal requirement.

End to End Server Hardware Deployment and Server Hardening.

Taking Sql & Maria DB database dump backup as per the application team needs.

on daily basis working on the incidents and service requests. IT Executive (Level3) - Oct-2018 To Sep-2021

Ags health Private Limited - Chennai, India

Configured and implemented IT initiatives to produce measurable business value.

Implemented Nagios Core Application Integrated services with Windows

Configured Server, Linux Server & Network Devices.

Installed Ubuntu Desktop for Particular project integrated with MS active directory and Push the AD policies for the users.

Implemented Call solution for US outbound and inbound calls with Voicemail alerts through Opensource application.

Implemented Moodle application for Interview Assessments as well Internal assessments .

Implemented Business Website and hosted under godaddy portal using Wordpress Application.

Implemented PWM self service application for unlock the AD integration Accounts and Hosted in internet.

Implemented GIT for software team for upload their codes.

Implemented Email server with help of vendor for our organization.

Implemented Internal chat tool for communication between the managers & users.

Handling Ticket and closure before SLA.

Handling CISCO ESA as Spam filter for incoming emails. Creation and troubleshooting with help of Vendor.

Maintaining AWS EC2 Instance of linux servers for BCP. Technical Support Executive Nov-2015 To Sep-2018

Futurecalls Technology Private Limited - chennai, India

Monitoring the health and stability of Linux Server.

To resolve the end user problems through Remote tool, Voice call and E-mail

Managing the Nagios Server & work according to the alerts.

Handling all escalated calls and resolves it, coordination with site engineers to resolve the client based issue.

Installing and configuration Red hat Linux & Debian OS.

Checking the time sync in all linux server.

Configured different types of SIP Phones like Polycom, Yealink & Binatone.

Installed and configured OPENVPN for clients.

Installation and troubleshooting of Symantec end protection and Kaspersky Antivirus.

Troubleshooting of Hardware, OS and Network related problem.

Extended analysis to assist technology team efforts to escalate and resolve issues.

EDUCATION

Bachelors of Technology: Information Technology, Jun2010 - Jun2013

St.joseph's College of Engineering - Chennai,India Diploma: Electronics And Communications Engineering, Jun2007- Mar2010

Panimalar Polytechnic College - Chennai, India

10th(SSLC): Mar2006-Mar2007

Sri Sankara Matriculation Higher Secondary School - Chennai, India CERTIFICATIONS

RED HAT 7 CERTIFICATION NUMBER- 160-175-311

Red hat Certified Engineer .

Red hat Certified System Administrator.

HOBBIES

WEB DESIGNING

I love to design website in my free times and with help of opensource Magento & Moodle tool. I have created some sites for my friends & collegues.

SOCIAL MEDIA

https://www.linkedin.com/in/madhan-gunasekaran-466174221/

.

Contact this candidate