Puspendra Kumar

• Monitoring of server infrastructure on Zabbix monitoring tool and checking the servers Disk space, queue and its load.
• Creating and managing host records in DNS, troubleshooting DNS related issues and DNS shifting.
• Management of Zimbra mail servers, G-suite administration of client's domain.
• Managing Zimbra patch levels and upgradation.
• Troubleshooting Zimbra related issues and coordinating with OEM to resolve in timely manner.
• Providing Email security and giving Assistance on its related issues.
• Handling the Mail clients related issues on L1 & L2 level.

• Installation of Linux/Unix based application using source code
• Troubleshooting of issue occurs while installation of application
• Updating and patching of application to latest version
• Handling of tickets using Service Now
• Providing user access on Jacob share and Jacob dam platform.

• Responsible for the Installation, configuration, troubleshooting, support and maintenance of all Red Hat and Centos 5,6$7 Linux Server systems (hardware and software) including Production, QA, and Development server environments
• Handling Troubleshooting issues of Linux Servers and Network
• Handling WHM, Cpanel and Virtualmin panels
• Server performances monitoring using Zabbix and Nagios
• Maintaining and installation of web server Apache, Tomcat
• SSL installation on Apche , IIS And Cpanel
• Installation, Configuration and Maintenance of LVM and RAID (0,1,5&10) server for Managing (adding/removing) disks and partitions (LVM)
• Managing Backups of Linux and windows based systems
• Mysql DB and Data backup job creation using script
• Installation and Configuration of NFS & FTP and SSH protocols
• Managing Disk File Systems, Server Performance, Users Creation and Granting file access Permissions
• Installing, Configuring and troubleshooting of Web Servers (Apache HTTP-JWS-3.0), Tomcat server-7&8 and JAVA (1.6,1.7&1.8) VMs management, vm migration on VMware Esxi 5.1 and 5.5
• Linux system performance check using various tools and commands like top, netstat, who, uptime, ps etc
• Installing, Configuring and troubleshooting of virtual server on VMWARE workstation and create backup with snapshot for restoring VMware VMs backup Management with tool like uranium backup
• Google Workspace and Zimbra administration