• Actively managed and monitored cloud infrastructure on AWS via CloudWatch and CloudTrail.• Configured AWS security, including IAM (user/group management and privilege limitation using roles) and Security Groups.• Provisioned AWS resources such as EC2, EBS, EFS, and ELB based on team recommendations and customer requirements.• Built and managed S3 buckets, implemented policies, and utilized S3 and Glacier for storage and backup.• Experienced with AWS and Infrastructure as Code (IaC) using CloudFormation templates, Terraform, and Ansible.• Deployed and managed Docker containers for various applications, ensuring optimal performance and resource utilization in private cloud environment.• Built custom Docker images using Dockerfile, optimized for specific application requirements, and managed image repositories.• Spun up fleet of containers while connecting them to specific networks leveraging docker compose.• Configured Docker environments, including networks, volumes, and container orchestration, to ensure seamless integration with existing infrastructure.• Monitored containerized applications using tools like Docker Stats and Log, and resolved issues related to container performance and stability.• Deployed and managed Kubernetes clusters across on-premises, ensuring high availability and scalability.• Administered PODS via kubectl CLI utility within different namespaces and relevant resources. • Administered Git repositories, including creating, cloning, and managing branches, tags, and submitted merge requests for approval by responsible entity• Integrated Git with CI/CD pipelines, enabling automated builds, testing, and deployments based on version control triggers.• Addressed backup issues by fixing hosts not being backed up regularly and removing non-existent servers from the backup policy to optimize NetBackup server resources.• Oversaw the entire life cycle of Linux servers, from installation through to decommissioning.

• Installed and rebuilt servers (including DHCP, NIS, NFS, Apache, and application servers) both physical and virtual, leveraging automated tools such as HP Server Automation (Operation Orchestration) and PXE-boot with customized kickstart files.• Diagnosed and resolved issues on both VMware and Bare Metal environments, utilizing Nagios, Splunk and IBM Tivoli.• Tuned kernel parameters based on application and database requirements as provided by kernel engineers.• Configured RAID levels (0, 1, 5, 6) on multiple Red Hat Linux Servers to enhance performance and redundancy.• Configured LVM based partitions and filesystems to dynamically manage storage at the OS level.• Conducted system performance testing and tuning to achieve optimal server performance.• Researched and recommended innovative approaches for automating system administration tasks to enhance efficiency and reliability.• Performed regular health checks on VMs and ESXi hosts to maintain system integrity and performance.• Presented and assigned LUNs to vms to manage storage effectively within the virtualized environment.• Installed, upgraded, and patched systems and software packages to maintain a secure and productive environment.• Configured automounts for home directories across different domains and ensured comprehensive backups of all servers and clients using VERITAS NetBackup software, with data restoration capabilities in emergencies.• Configured directory shares with NFS servers, and set up NFS clients for persistent mounting of allowed NFS shares• Troubleshot and maintained key network applications including TCP/IP, Apache HTTP/S, SMTP, NFS and DNS, ensuring reliable network services.• Identified, troubleshot, and escalated issues to the appropriate technical teams for resolution, ensuring minimal disruption to services.

• Performed physical racking, stacking, configuring ILO/IDRAC (out of band ports), and switch installations to ensure optimal server connectivity and infrastructure organization.• Created user accounts and configured appropriate access permissions.• Provided timely support and resolved escalated issues via ticketing systems, email, and phone, using BMC Remedy.• Monitored system performance and analyzed logs for proactive issue resolution.• Created SOS reports to assist vendors in diagnosing hardware/software issues and facilitated the implementation of vendor-proposed solutions.• Participated in daily team meetings, contributing insights on newly encountered issues and engaging in solution discussions.• Played a key role in documenting technical and environmental procedures to support team members.• Acted as a liaison between the Line of Business (LOB) and relevant teams.• Configured and added new services as necessary.• Continuously pursued learning to stay compliant and updated with industry standards.• Automated daily tasks by scheduling Cron jobs.