Unix Administrator
First Abu Dhabi Bank
Total years of experience :11 years, 7 Months
• Project describes Integration, Merging and Migration of two banks infrastructure.
• Collecting existing infrastructure information and planning, designing for Migration.
• Managing and supporting Different environments (SIT/UAT//Non Prod/Production) of Existing Data Centers and New Data Centers.
• Involving and Supporting Multiple Dress Rehearsals.
• Working technology of LINUX, AIX, SOLARIS and VMware.
• Installation, Configuration and Managing of Linux, Aix, Solaris Operating systems.
• Managing overall 1200+ UNIX (Linux/AIX/Solaris) servers in multiple environments.
• Installing Physical Linux Servers with kickstart Configuration.
• Implement Security base line and fix VA Patches as per CISO recommendations.
• Installation, Configuration and Managing of Veritas Clusters as active-passive or active-active mode in UNIX.
• Configuring Veritas Cluster with New disk groups or existing disk groups.
• Disk Administration and package administration in Linux/AIX/Solaris.
• Managing Different environment Linux Servers with Red hat Satellite/Capsule Server.
• Supporting Physical/VM server’s migration in different environments.
• Monitoring server resources and increasing based upon application load or requirements in Linux/Aix/Solaris.
• Project involves study of the existing infrastructure and design a transformed software defined data center with cloud and migration of applications to the cloud and enabling the new data center.
• Where we have 1000 Physical (HP and IBM Blade & Rack Servers) Servers.
• Creating Templates and deploying Virtual machines.
• Working on Virtual Machine Management such as Clones, Templates, and Snapshots
• Installing and configuring a two-node cluster with Redhat High Availability and Pacemaker Cluster.
• Installation, Configuration and Management of NFS, NTP, DNS, Samba, and Apache servers.
• Installation and Configuration of LDAP with Multi master mode and Migrating LDAP DB from one Data Center to another Data Center.
• Updating Network and storage Drivers based on hardware.
• Storage Controllers scanning and Attaching SAN, NAS (CIFS & NFS) storage to Linux servers.
• Creating Volume groups (LUN) in PURE Storage and allocating to Host Groups.
• Migrating Virtual Machines Data Center to Data Center.
• Installation and Configuration of ESXI & OVS (Oracle Virtual Server) on Bare metal.
• Installation Configuration and Managing of OVM (Oracle Virtual Manager).
• Attaching External storage, creating Repositories in OVM Manager.
• Creating Server pools, Repositories, configuring Network for Heartbeat and Virtual Machines, Management in OVM.
• Creating Virtual machines with High Availability and monitoring resources utilization in OVM.
• Creating Clones, Templates and deploying Virtual machines with Templates.
• Uploading ISO Images in OVM Repositories for creating VM machines.
• Attaching External storage to virtual machines which were in OVM.
• Configuring and Managing NTP service in NTP Servers and Clients.
• Giving support DB team for Configuring Oracle RAC Cluster.
• Integration RHEL systems with Spacewalk, Installing and updating patches
• Working for world’s largest Bio-data center (UIDAI) where we have 3000 Physical (IBM, HP and DELL Blade & Rack Servers) Servers.
• The support rendered is 24/7 in nature. The support is constantly monitored by SLA’s which are though stringent but successfully met.
• Working as L2 of support for around 2500 Linux Servers.
• Monitoring the performance of the server and networks using Nagios and CA Spectrum.
• Installation and Configuration of RHEL Operating Systems on bare metal boxes using Clonezilla.
• Worked on Virtual Machine Management such as Clones, Templates, and Snapshots
• Installing and configuring a two-node High Availability Red Hat Cluster.
• Installation, Configuration and Management of NFS, FTP, DNS, Samba, and Apache servers.
• Installation and Configuration of Squid and Squid Guard proxy server.
• Installation and Configuration of Red Hat KVM Hypervisor.
• Creating, deleting and modifying the user accounts (local/LDAP) as per request.
• Applying special permissions using SUID/SGID, Sticky bit.
• Implementing ACL’s and changing the ownership of files and directories.
• Configuring and managing of Volume group’s (VG’s) and Logical volumes (LV’s).
• Installing, upgrading and removing packages by using RPM and YUM.
• Patch Management on RHEL Systems.
• Monitoring system components such as CPU, Disk and Memory Utilizations.
• Scheduling system events using Crontab utility.
• Vendor co-ordination for replacement of faulty hardware Disks, Mother Boards, Memory, and NIC cards and Media-Drivers.
• Upgrading the Kernel, Firmware and BIOS versions as per request.
• Configuring NIC Channel Bonding on RHEL systems.
• Installation and configuration of squid proxy on RHEL systems and maintaining
• Integrating RHEL systems with RHN, LDAP.
• Installation and configuration of DM-Multipath on RHEL systems and mounting SAN storage.
• Adding RHEVH Hypervisors to RHEVM and installing Virtual Machines
• Adding storage to RHEV and creating data centers and clusters in RHEVM
System administration, maintenance and monitoring various day-to-day Operations. Installing and configuration of Red Hat Enterprise Linux. Installation, Configuration and maintenance of NFS Servers. Configuring FTP server to maintain the shared folder within the organization. Experience on File System Management - Creation, Checking and Recovery of file systems. Mounting and un-mounting the file systems. Creating and modifying user and group accounts as per request. Resolving the user related problems. Giving special permissions using SUID/SGID and sticky bit. Changing the ownership of files and directories Configuring and managing PV’s, VG’s and LV’s. Installing, Upgrading and removing packages using RPM and YUM Package managements. Monitoring system components such as CPU, Disk and Memory Utilizations. Scheduling system events using Crontab utility. Implementing SUDO privileges to users on demand. Creating and increasing the swap memory. Creating and maintaining Linux Quota system. Monitoring the servers by using Nagios monitoring tool.
Videocon d2h is an Indian pay TV company, providing direct broadcast satellite service—including satellite television, audio programming, and interactive television services—to commercial and residential customers in India.
. Giving support 50+ employees of desktop issues.
. Monitor small DC any hardware issues, and coordinating with vendors.
. Increasing and decreasing volume groups and coordinating with storage team.
. creating users and changing passwords in AD based upon requests.
. resolving network issues, like adding deleting routes, adding static ip's, network debugging with tracert.
. creating, removing users and groups in linux based servers.
. Adding users to specified groups and assigning password for users and groups.
. Implementing ACL permissions based on requests.
Completed Bachelor Degree In Jawaharlal Nehru Technological University in 2012 with 67.2 Aggregation.