Managed and supported both physical and virtual servers running RHEL and CentOS. Led critical initiatives including server upgrades, security audits, and RAID configuration to optimize system performance and ensure regulatory compliance. Proficient in VMware management, handling P2V migrations, and overseeing multi-region AWS deployments with Terraform. Extensive experience in configuring VPCs, ELBs, and EC2 instances within AWS, ensuring scalable and secure cloud infrastructure. Successfully implemented Veritas NetBackup for disaster recovery solutions and integrated Jenkins with Kubernetes to enable seamless CI/CD pipelines. Highly skilled in system optimization, managing LDAP and Kerberos for secure authentication, and ensuring high availability across diverse IT environments.

expertised in managing RHEL, Ubuntu, and CentOS systems. Proficient in automating installations with Kickstart, configuring and managing services like HTTP, SMTP, NTP, and file-sharing solutions using Samba, VSFTP, and NFS. Hands-on experience in AWS services including CodeDeploy, CodePipeline, and S3 storage management for automated deployments and backups. Skilled in network security with iptables, firewall management, and Veritas NetBackup configuration for disaster recovery. Strong background in VMware vSphere, LVM, RAID troubleshooting, and Ansible for automated system patching and security compliance. Adept in creating Shell scripts, managing Cron jobs, and ensuring system security with SELinux and intrusion detection systems (IDS).

As a Linux Application Support Specialist, had extensive experience in managing and supporting Red Hat servers and VMware environments. Proficient in server registration and issue resolution using Satellite 5 and 6, alongside performing VM migrations and resource optimization with PowerCLI. Skilled in deploying Linux servers using Kickstart, managing LVM, and applying kernel upgrades to mitigate vulnerabilities. Experienced in configuring and maintaining Tomcat and Apache servers for web applications, as well as managing AWS services including Route 53, S3, and VPC configurations for efficient and secure network architecture. Expertise in using monitoring tools like Nagios and Prometheus for performance optimization, along with managing software updates through BigFix and tracking incidents with ServiceNow.

As a System Administrator, expertised in implementing and managing Red Hat Enterprise Linux (RHEL) systems and optimizing server performance. Proficient in configuring mount points, managing virtual disks, and utilizing RAID for enhanced storage performance and redundancy. Experienced in troubleshooting software and hardware issues, performing security patching, and conducting backups for disaster recovery. Skilled in user administration across cross-platform environments and applying ITIL best practices to improve service delivery. Competent in monitoring network traffic, configuring essential services (LDAP, DNS, NIS, NFS), and maintaining robust network infrastructure. Committed to providing effective L2 support and participating in 24/7 on-call rotations to ensure system stability and reliability.