• Set up Gateway firewalls for new VMs in VMware Cloud, Administered and managed RHEL hosts software and subscriptions with Red Hat Satellite 6.10, Identified and rectified any complex OS issues• Monitored the performance of multiple cloud platforms, including AWS, Azure, and other industry-leading providers.• Developed and implemented cloud migration strategy for transitioning existing workloads to AWS.• Managed, monitored and optimized the AWS environment, including EC2 instances, S3 buckets, RDS databases, VPCs and security groups.• Collaborated with development teams to design secure networking infrastructure in a multi-region setup using Direct Connect and VPN connections between data centers and cloud environments.• Configured and managed user mailboxes, distribution lists, shared folders, public folders and other related components.• Provided technical expertise in the installation, configuration and maintenance of VMware ESXi and vSphere environments.• Managed Active Directory user accounts, groups, and computer objects.• Created custom roles in Azure Active Directory for access control management of users and groups across multiple subscriptions.• Migrated on-premises workloads to the cloud platform using various tools like AWS DataSync.

• Performed patch, update, security scanning and configuration to meet OS performance mandates.• Collaborated with other teams within the organization while building new projects that involved deploying applications on Linux platforms.• Managed user accounts on the Linux environment by creating new users and modifying existing ones as per their needs.• Monitored system performance and implemented necessary changes to maintain optimal utilization of resources.• Installed, configured, maintained and upgraded Linux operating systems and services.• Provided technical support for Linux-based systems, including troubleshooting of server applications and hardware issues.• Monitored logs generated by various services running on the Linux servers and identified anomalies or suspicious activities in them if any.• Coordinated with vendors regarding maintenance contracts related to hardware components used in the company's infrastructure.

• Performed regular maintenance tasks such as patching, security updates, log reviews, backups.• Developed scripts to automate various system administration tasks.• Configured network services such as DNS, DHCP, NFS, FTP, SSH and web servers.• Created user accounts and managed permissions on the file system level for multiple users.• Troubleshot hardware related issues on Linux systems including kernel panics and boot errors.• Deployed software packages using package managers such as apt-get or yum repositories.• Migrated existing applications from legacy platforms onto modern Linux distributions.• Managed storage devices like RAID arrays and SANs using LVM or other storage management tools.• Worked closely with development teams to ensure smooth deployment of their applications.• Installed and configured Linux operating systems on physical, virtual, and cloud environments.