Experienced Linux Administrator with 3 years of expertise in installing, configuring, and maintaining Linux servers. Proficient in scripting, automation, and performance tuning with a strong focus on security and compliance. Adept at troubleshooting complex issues and providing high-level support in fast-paced environments.
• Managed and maintained over 500 Linux servers, ensuring 99.99% uptime.
• Implemented automated deployment processes using Ansible, reducing configuration time by 50%.
• Conducted regular security audits and applied patches, achieving compliance with industry standards.
• Developed custom scripts in Bash to automate routine tasks, increasing operational efficiency.
• Configured and maintained network services including DNS, DHCP, and LDAP.
• Spearheaded the migration of on-premises servers to AWS, resulting in a 30% cost reduction.
• Monitored system performance and resolved issues using Nagios and Zabbix.
• Installed, configured, and maintained Linux servers and related software.
• Provided Tier 2/3 support for Linux-based systems and applications.
• Optimized server performance through tuning and load balancing.
• Managed user accounts and permissions, ensuring secure access.
• Worked with ITIL process ticket-based system based to resolve issues within given SLA.
• SQL and MySQL Experienced in database design, implementation, management, performance tuning, security, backup and recovery, data migration, replication, and automation.
• Experience inimplementation & administration of web-server Apache, Samba, RAID, LVM
» Monitoring and troubleshooting disk space issues, system processes user process activity, memory activity, network, and Memory and Swap Space management.
• Setting up file, folder permission using ACL, SUID, GUID and Sticky bit.
• Good Knowledge on Networking Configuring and maintaining the network services like FTP, NFS, SSH and Samba.
• Configuring Scheduled backups of servers through Cron service Automated backup and recovery processes, minimizing data loss risk.
• Assisted in the implementation of Docker containers for application deployment.
• Collaborated with development teams to support CI/CD pipelines.
• Assisted in the management of Linux servers and networks.
• Performed routine maintenance tasks, including updates and backups.
• Resolved hardware and software issues under the guidance of senior administrators.
• Monitored system logs and performed initial troubleshooting.
• Created and maintained technical documentation.
Linux: Red Hat, CentOS, Ubuntu
Scripting: Bash
Configuration Management: Ansible, Puppet, Chef
Cloud: AWS, Azure
Containerization: Docker, Kubernetes
Monitoring: Nagios, Zabbix, ELK Stack
Ticketing Tool: ServiceNow
Web Servers: Apache, Samba, RAID, and LVM administration
Database: SQL, MySQL