Summary
Overview
Work History
Education
Skills
Key performance indicators:
Affiliations
Timeline
CustomerServiceRepresentative

Madhavi Kethireddy

Bangalore

Summary

Seeking a position to utilize my skills and abilities, and achieve professional growth while being resourceful and innovative.

Dynamic Linux System Administrator with over 3 years of experience at Infosys, excelling in managing Red Hat and CentOS environments. Strong communication skills, and effectively collaborating with teams to enhance system performance and security. Adept at troubleshooting and ensuring seamless operations.

Overview

3
3
years of professional experience

Work History

Linux System Administrator

Infosys
Bangalore
03.2022 - Current
  • Working in Infosys, Bangalore as a Linux System Administrator from March 2022 to Present.

Education

BSC - Computer Science

SSBN College
Anantapur

Skills

  • Having over 3 years of hands-on IT experience as a Linux system administrator
  • Administration in various environments, like Red Hat Linux and CentOS
  • Experience with monitoring tools like Nagios to monitor major metrics such as network packets, CPU utilization
  • Configuring network services such as DNS, NFS, sendmail, FTP, remote access, security management, and security troubleshooting skills
  • Closely worked with developers and analysts to address project requirements, and was able to effectively manage time and prioritize multiple projects
  • Excellent communication, team membership, and relationship management skills
  • Log analysis, maintaining documents of production server logs' reports and servers' list
  • Installation of patches and packages using RPM and YUM in Red Hat Linux
  • Created and modified users and groups with sudo permission
  • Working with developers to load software onto Linux Enterprise servers, and also debugging scripts
  • Set up and administer user and group accounts, setting permissions for users
  • Diagnosed and resolved problems associated with DNS, DHCP, VPN, and NFS
  • Creation and administration of virtual machines using VMware and VirtualBox
  • OS upgrades and installation of third-party software, packages, and patches as per requirement
  • Responsible for configuring and connecting to SSH through SSH clients like PuTTY
  • Remotely copying files using SFTP, FTP, SCP, and WinSCP
  • Launching Amazon EC2 cloud instances using Amazon Web Services (Linux/RHEL) and configuring launched instances with respect to specific applications
  • Amazon tools used include EC2, S3 storage
  • Cloud technologies: AWS (EC2, S3)
  • Operating systems: Linux (Red Hat), CentOS
  • Virtualization: VMware

Key performance indicators:

  • Linux Administrator
  • Working on remedy requests and provide the solution as per the SLA.
  • Creating, Providing and Managing the Virtual Machines for User in VMWARE Environment.
  • Installing and upgrading OS patches on a regular basis.
  • Creating and performing change management requests.
  • Creating and extending Volume Group, Logical volumes and file systems in Linux.
  • Create, change and modify user accounts as per request.
  • Configuring NFS on the servers, working with NFS mounts and related issues.
  • Providing FTP access as per the project request.
  • Monitoring system Performance of Virtual memory, Managing Swap space, Disk utilization and CPU utilization.
  • Handling System outages and solving the problems as per SLA.
  • Creating, modifying users, changing permissions, setting sticky/attribute bit and ownership of files and directory.
  • Providing ACL permissions to the users and groups.
  • Granting SUDO access to users and groups.
  • Created cron jobs that monitored and reported security issues
  • Managed, monitored and tested individual and group user access privileges and security
  • Configuration of NTP server on customer demand basic.
  • Troubleshooting (rescue mode, recovery run levels, boots process, file system problems).
  • Remotely copying files using SFTP, FTP, SCP, and WinScp.
  • Troubleshooting the network with the help of net stat, ping, nslookup and trace route tools.
  • Experience installing and configuring SSH (Secure Shell) encryption in order to access securely on Redhat Linux.
  • Installation of patches and packages using RPM and YUM in Red hat Linux.
  • Configure User and Group Administration and Permission.
  • Monitor Production Server Health of different parameters (System Load, Physical Memory, Swap Memory, Hard disk) via Nagios.
  • Handling the housekeeping alerts.

Affiliations

  • I hereby declare that the above-written particulars are to the best of my knowledge and belief
  • Date:
  • Place: Bangalore (Madhavi Kethireddy)

Timeline

Linux System Administrator

Infosys
03.2022 - Current

BSC - Computer Science

SSBN College

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