K.Rajesh, B.E

: adpf2t@r.postjobfree.com Mobile: +91-807*******

Date of Birth: 21 October 1993

PROFESSIONAL SUMMARY:

In quest of a challenging position in an organization that offers me generous opportunities to explore & outshine in the field of Information Technology while accomplishing professional, organizational as well as personal goals.

PROFILE:

Have 5+ years of IT-industry experience, As part of my assignments, I have worked on Unix/Linux operating system as system administrator pertaining Telecom sector.

Presently working in Tata Consultancy Service as L2 Unix/Linux Administrator Engineer.

RedHat certified Engineer (certification id – 210-013-975)

SKILLS:

Providing L2 Infrastructure support and supporting all BAU activities.

Managing more than 700+ Linux & Solaris servers in RHEL 6.X,7.X and SunOS 10,11.

User Management & Administration

Job scheduling and automating process via Cron.

Package management using RPM, YUM.

Patch management through Red-Hat Satellite servers.

Services and Process management (stopping, starting and refreshing)

Analyzing and fixing server performance issues (CPU, Memory, Network, SWAP, IO etc.) using redhat performance tools.

Troubleshoots internal and external applications, hardware problems and operating system issues

Adaptive to Cloud Strategies based on AWS (Amazon Web Services)

Technical knowledge on EC2, IAM, S3, VPC, Cloud watch

Excellent system-level debugging skills

Ability to troubleshoot and diagnose infrastructure and performance issues in a Linux environment

Strong interpersonal and communications skills.

Highly motivated team player with the ability to work independently and adapt quickly to new and emerging technologies

TECHNICAL SKILL SET

Operating system : Linux RHEL 6.x,7,Solaris 10,11.

Mail Messaging Server : Send mail, Postfix

File sharing services : FTP, NFS, SAMBA

Storage : Logical Volume Manager

Ticketing tool : Service-now, JIIRA

Web server : Apache and Tomcat

Database : MySQL

KEY SKILL SET

Linux administration.

Technical Support.

AWS cloud operations & Monitoring.

INDUSTRY EXPOSURE

Foray Software, (TATA Consultancy Services) Chennai

Designation: L2 Unix / Linux Administrator

Project Name: Telefonica UK

Period: Dec 2020 to Till Date.

Roles & Responsibilities:

Providing L2 infrastructure support and supporting all BAU activities.

User Management activities like creating users and giving Sudo access based on requirement.

Installation of Patches, Hardware, software's and Firmware upgrades.

Performed daily system monitoring, verify the integrity and availability of all hardware and server resources, and reviewed system and application logs

Software and Hardware upgrades.

VMware guest provisioning: CPU, memory and storage.

Add / Remove Physical volumes to/from the volume group.

Installation and configuration of Red hat, Solaris for new build environment

Working experience in file systems and logical volumes resize.

Evaluate performance of system to see that they meet business needs

Provide Support with project team and end users to identify application runtime environments

Participating in CAB (Change Advisory Board) meetings in order to discuss upcoming change requests with change managers in order to understand the impact and importance of the change to be made.

Provided on-call support and worked with Vendors on system issues and bugs for its resolution

Technical support to telecom network managing tools hosted in VMWare clusters.

NOKIA Solutions, Chennai

Designation: L1 Technical Support Engineer

Project Name: NPM4GS / Insights

Period: Sep 2017 to Dec 2020.

Roles & Responsibilities:

User Management & Administration

Performed daily system monitoring, verify the integrity and availability of all hardware.

Troubleshooting Linux, User and Group management,

Analyzing and Rectifying Login and Booting Issues

Configuring crontab and scheduling the jobs

Supporting client’s Cloud environment (AZURE)

Provide Support with project team and end users to identify application run time environments

Perform feasibility analysis on potential product changes related to security architecture

Experience in Configuring Security group for EC2 Window and Linux instances

Ensuring Data availability and restoring missing data from Telecom Network clusters.

Project 2: NOKIA AVA

Roles & Responsibilities:

Assisting developers and testers with establishing and applying appropriate branching, labeling convection's using GIT source control.

Implemented and supported CI process via Jenkins and Supported project teams in a Continuous Integration and Continuous deployments environment with Jenkins, terraform and Docker

Performing Maintenance in the CI/CD systems

Troubleshooting connectivity issues in Nokia AVA cloud environment tools using Jenkins.

UST GLOBAL, Chennai

Designation: Senior Network Operations Associate.

Project Name: Refra & CAPS

Period: Dec 2015 to Aug 2017

Roles & Responsibilities:

Monitoring Network Elements through Discovery tools

Troubleshooting the Network elements by using Jira tool and Prosper script

We will handle customer cases through Jira, ServiceNow tools, based on SLA we will work on the issues

Troubleshooting the issues in which customer raised through RAS tool and closing the Tickets based on SLA

Converting Alarms into tickets and coordinating with Technical Development Teams

Remote Trouble shooting and Fault-Finding issues to End- User/Customers

Reporting network operational status by gathering and prioritizing information and managing projects

Supporting for CAPS (Compliance, Audit & Privacy System) For US Infrastructure Management

ACADEMIC QUALIFICATIONS:

EXAMINATION/COURSE

UNIVERSITY/BOARD

YEAR

PERCENTAGE / CGPA

B.E. (CSE)

Karpagam University, Coimbatore.

2015

7.5

H.S.S.L.C

C.S.I. Boys Higher Secondary School, Coimbatore.

2011

61.50%

S.S.L.C

C.S.I. Boys Higher Secondary School, Coimbatore.

2009

75.30%

Hereby I declare, all above information are true to best of my knowledge

Rajesh K

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