Bogala Manohar
Summary
Results-driven Linux Systems Administrator with 5 years of experience, seeking to leverage expertise in system optimization, security, and automation in a challenging IT environment. Committed to enhancing server performance, ensuring high availability, and applying innovative solutions to streamline operations. Passionate about collaborating within a dynamic team to support robust, secure, and scalable Linux infrastructures that drive organizational success.
Experienced and dedicated Linux System Administrator with over 5 years of hands-on expertise in managing, securing, and optimizing Linux-based systems and servers. Proven track record in delivering high-availability solutions, improving server performance, and automating infrastructure tasks. Skilled in troubleshooting complex issues, administering and maintaining network configurations, and deploying a variety of services and applications on Red Hat, CentOS, and other Linux distributions.
Overview
5
5
years of professional experience
Work History
Linux System Administrator
Cognizant
Hyderabad
04.2022 - 12.2024
- Responsible for user and group management, security implementation using ACL and sudo access to users and troubleshooting user’s login, file permissions and home directory related issues in both Linux servers.
- Experience in OS installation of packages by using RPM and yum, patch management on Red Hat servers.
- Adding new disk, creating, deletion and managing of partitions and configuring the LVM managing the volumes and troubleshooting.
- Experience in handling housekeeping alerts on OS partitions.
- Interact with application, database, network, storage, backup and tools teams to solve problems.
- Providing support by handling installation, troubleshooting & required configuration of the Linux servers.
- Working on issues related to sticky bit, and ACL’s.
- Experience in installation of SAMBA, FTP, SSH, NFS, DNS, HTTP, NTP, IP tables on Linux systems.
- Monitoring system performance and supporting servers to improve the performance.
- Enabling password for single user mode login.
- Monitoring the servers performance using performance monitoring tools like netstat, top and sar etc.
- Providing sudo permissions to system users as per request.
- Good hands on experience on shell scripting. Writing shell scripts and scheduling it on cron jobs.
- Hands on experience on ITIL processes Incident / Change Management.
- Tuning the kernel parameters and Hardening server related issues.
- Provide L3 support to resolve complex technical issues related to Linux systems and applications.
- Collaborate with other teams to diagnose and troubleshoot cross-functional issues, ensuring timely resolution.
- Maintenance of multiple Linux systems, including patching & upgradation.
- Develop and maintain backup and recovery strategies for Linux systems, ensuring data integrity and availability.
- Conduct regular security audits and vulnerability assessments, and apply necessary patches and updates.
- Configure and manage firewalls, intrusion detection/prevention systems, and other security tools.
- Deep understanding of OS and its management including kernel level troubleshooting.
- Experience with Linux servers in virtualized environments.
- Familiarity with the fundamentals of Linux scripting languages.
- Implement and maintain security measures to protect Linux systems from security threats and vulnerabilities, ensuring compliance with security policies and regulatory requirements.
- Design and implement high availability and disaster recovery solutions for Linux environments, including clustering, replication, and backup strategies, to ensure business continuity and data protection.
- Develop and maintain automation scripts and tools to streamline system administration tasks, improve efficiency, and enforce configuration management best practices.
Linux Associate Engineer
Future Focus Infotech
Bengaluru
03.2020 - 04.2022
- Providing 24/7 support for production and Non-prod environments.
- Handling conference call for ongoing Priority and escalated issues.
- Extensive experience in Linux administration with VMware environment.
- Managed daily activities to include user support and system administration tasks.
- Having Strong hands on experience on analyzing and fixing Linux Operating system related issues.
- Responsible for Linux server Build and configuration on Virtual machines.
- Performing red hat patching every quarter on Linux servers.
- Troubleshooting and fixing user unable to login issues in Linux servers.
- Handling Housekeeping alerts and service stop alerts.
- Sharing Linux Mount points over the network through NFS/SAMBA services.
- Mounting/Access management on NFS mount point.
- Co-coordinating with VMWare team to extend RAM/CPU’s based on change request.
- Creating new mount points and granting right owner and permissions based change request.
- Extending mount point space based on OMT request.
- Remote Server Administration using SSH.
- Enabling password for single user mode login.
- Troubleshoot the OS related issues and tuning the server performance.
- Handled security updates and upgrades on all production servers in accordance with industry standards.
- Implemented security measures such as firewall rules and user access control lists.
- Troubleshot hardware and software issues related to Linux operating systems.
Education
Master of Business Administration -
JNTUK University
01-2018
Skills
- Red hat Enterprise Linux 75&8
- LVM
- Nagios
- Service now
- Physical
- VMware
- Linux
- Amazon Web Services(AWS)
- Shell
- MS Office
- Ansible
- Strong problem-solving skills
- Excellent communication skills
- Ability to collaborate with other teams
Personal Information
- Date of Birth: 07/14/96
- Gender: Male
- Marital Status: Single
Disclaimer
I hereby declare that all the information provided above is true to the best of my knowledge and belief.
Technical Summary
Perform installations, migrations, and maintenance of Linux/Unix servers (RHEL, SUSE, Ubuntu) to ensure seamless operations., Efficiently manage critical incidents, conduct Root Cause Analysis (RCA), and collaborate with vendors for resolution., Monitor system health, logs, and processes, ensuring performance tuning and efficient resource utilization through LVM and kernel parameter management., Implement effective processes for timely security patching and updates across systems., Resolve user requests and issues via ticketing tools like Service Now, ensuring minimal downtime., Develop and deploy automation solutions using Bash scripting and Ansible.
Timeline
Linux System Administrator
Cognizant
04.2022 - 12.2024
Linux Associate Engineer
Future Focus Infotech
03.2020 - 04.2022
Master of Business Administration -
JNTUK University