Zimbra Collaboration, formerly known as the Zimbra Collaboration Suite before 2019, is a collaborative software suite that includes an email server and a web client. Zimbra was initially developed by LiquidSys, which changed their name to Zimbra, Inc
Server & DNS:
Re-branding
Upgrade and migration:
I am a System Administrator. I provide following services Providing Supports on Call to end users and clients using remote access system & physically. Maintaining & troubleshooting Email server (Postfix, Zimbra, Microsoft365 and Google workspace), Print server, Windows server (DNS, DHCP, GPO, and DFS), Prometheus, Grafana, Proxmox, Ovirt, Hyper-V, VMware, KVM, Ansible and Load balancer. Creation and monitor cloud virtual machines, cloud database, (PostgreSQL, MySQL), VPN, VPC, and on-premises resources to verify integrity and availability in (Google, Azure, and AWS) cloud platform Maintaining liaison with vendors. Purchasing IT equipment and maintaining warranty issues. Provide training to office staff. Planning and scheduling backups. Troubleshooting Day to Day Activities.