Summary
Overview
Work History
Education
Skills
Ticketing Tools
Languages
DECLARATION
Timeline
Generic

SAI NIKITHA SHEELA

Summary

Over 2+ years of experience as a Linux & Ubuntu System Administrator in critical production environments. Proficient in managing Linux systems across both small and large-scale corporate infrastructures.

* Experienced in system installation, patch management, network configuration, and backup management.

* Hands-on experience in managing and optimizing complex Linux infrastructures

* Adept at working with cloud platforms and virtualization technologies, committed to ensuring smooth and efficient IT operations.

Overview

3
3
years of professional experience

Work History

Senior Analyst

Capgemini
Hyderabad
03.2022 - Current
  • Experience and managing CentOS, Ubuntu, RedHat, and Debian servers for both production and development environments.
  • Working with L3 level support team and administrating 1000+ Linux servers (Red hat) on 24x7 basis.
  • Performed regular patch management and vulnerability assessments using tools like yum, rpm and apt, ensuring all systems were up to date with security patches.
  • Managed user accounts, groups, and permissions, ensuring secure access control and adherence to company policies.
  • Designed, implemented, and maintained Logical Volume Management (LVM) environments, including creating volume groups (VG), logical volumes (LV), and physical volumes (PV) for efficient disk space utilization and scalability.
  • Configured and managed disk partitions using LVM, ensuring proper allocation of storage across systems.
  • Disk management, partitioning tools like fdisk, file system management ext3, ext4andxfsfile system & utilities (mkfs, e2fsck).
  • Configured and troubleshot network services such as DNS, DHCP, and NFS, ensuring seamless connectivity between Linux servers and other infrastructure components.
  • Collected and analyzed system logs (e.g., syslog, dmesg, /var/logs) to detect errors, security vulnerabilities, and performance issues, ensuring a proactive approach to system maintenance.
  • Configured SSH keys on the servers, according to the requests.
  • Configured and managed backup systems using tools such as rsync or tar, ensuring critical data was safely backed up and easily recoverable.
  • Developed and maintained custom shell scripts for automating routine tasks such as log management, server health checks, and backups, improving efficiency and reducing manual intervention.
  • Administered virtualized environments using VMware or OVM, including the creation and management of virtual machines (VMs) for various applications and services.
  • Analyzed server performance using tools like top, htop, iostat, vmstat and mpstat and tuned configurations to optimize system performance and scalability.
  • Participating in outages like priority 1 issues and involving next level support team.

Education

B.Tech - Electronics and Communication Engineering

Siddhartha Institute of Technology And Sciences
01-2020

Diploma - Electronics And Communication Engineering

Jagurti Institute of Engineering And Technology
01-2017

10th -

Gowtham Model School
Andhra Pradesh
01-2014

Skills

  • Red hat Linux
  • Ubuntu, CentOS, Debian
  • Linux Administration
  • Azure

Ticketing Tools

  • Service Now

Languages

  • Telugu
  • Hindi
  • English

DECLARATION

“I hereby declare that the information provided is true to the best of my knowledge and belief.” 

DATE & PLACE: Hyderabad SIGNATURE

Timeline

Senior Analyst

Capgemini
03.2022 - Current

B.Tech - Electronics and Communication Engineering

Siddhartha Institute of Technology And Sciences

Diploma - Electronics And Communication Engineering

Jagurti Institute of Engineering And Technology

10th -

Gowtham Model School

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