Oct 2018 – Feb 2020 · 1 yr 4 mos · Noida, Uttar Pradesh, India

• Managing Infra and providing production support in 24*7
• Solution designing for Projects
• Procurement and POC of requested tool and deployments
• Handling complete Linux Env
• Deploying and managing Devops tools for automation
• Managing Lenovo, Huawei and Dell servers and dealing with vendors.

Mar 2017 – Oct 2018 · 1 yr 7 mos · Gurugram, Haryana, India

• . Knowledge of ANSIBLE, using for build and operation tasks.
• . 24x7 monitoring and troubleshooting of the Linux servers for more than 6000 servers.
• . Performing Security and os hardenings in VM & physical environments.
• . Registration to RHN, Patchmanagement and resolving vurnabilities.
• . Multipath and LVM issues troubleshooting
• . Uer management, disk management, group management, special permissions as per requirement.
• . Troubleshooting of services on the basis of logs generated in the Linux Servers.
• . Update the kernel of the Linux servers as per customer request.
• . Network Troubleshooting like IP configuration, NIC Teaming, routing & packet filtering.
• . SAMBA, NFS and AD integration configuring and troubleshoot
• . Troubleshooting issues in a Red Hat Linux Enterprise and Centos environment that affected the customer's deadlines and productivity..
• . RAID configure (Raid 0, 1 & 5) and all hardware troubleshooting & maintenance.
• . Installation of OS using iDRAC, ILO, IPMI on servers remotely.
• . Providing RCA of the cause.
• . Kdump Configuration & troubleshooting
• . Firmware upgradation in Dell and HP.
• VMWARE ADMINISTRATION:
• . Manage Virtualization Environment using VMware vCenter and Vsphere Client.
• . Installation, Configuration, Administration and Troubleshooting ESX 6.0.
• . Build, configure and deploy VMs and templates.
• . Migrating of Virtual Machines using vMotion and Storage vMotion.
• . Performing Snapshots, Cloning, Cold Migrations and Hot Migrations.
• . Performance Monitoring of Virtual Machine's & ESX servers (CPU, Memory, Disk and Network Utilization)
• . Creating duplicate Virtual Machine's using cloning technology (hot & cold).
• . Providing disk, share disk and RDM.

Nov 2015 – Jan 2017 · 1 yr 2 mos · Noida, Uttar Pradesh, India

• Setting up the full infrastructure of the company as per requirement single handed.
• Installation and configuration of Cloud in linux
• Administrating and managing windows server and applying group policy and user management
• Configure and managing Identity Management.
• Managing firewall Policy and Rules
• Setting up VPN Tunnel
• Server Implementation-Virtualization of server & storage
• Installation of virtualization Application for Server HW/SW virtualization and Storage
• Data store Configuration, Snapshot and Backup configuration.
• Creating LVM and OS filesystem for managing the storage requirement. .
• Providing support to fellows for OS level deployment and troubleshooting.
• Implementation of Infrastructure Applications-Authentication and Network Services
• Integration of gateway level Cyberoam security-Firewall – Hardware & Software
• Segmentation of LAN and VLAN according to various domains/OU and rules setting

Mar 2015 – Nov 2015 · 8 mos · Dlf cyber city, Gurgoan

• Worked on ITSM (HPSM), Servicenow.
• Planning, Installation, Configuration, Maintenance and Administration of Linux (RHEL 6, 5, OEL) and day to day system admin tasks and troubleshoots.
• Patching Management- Upgrade packages (kernel level, services packages) on client servers from host satellite servers (Redhat, Oracle) using source code, RPM’s and YUM repositories.
• Tape Management- Maintaining record of data and scratched Tapes with retention period.
• Installation, Configuration and Administration of LVM.
• Hands on experience in Red Hat Linux Performance Monitoring and Performance tuning of Kernel.
• Providing support to more than 500 critical Servers of SBI (Production, UAT, DR ) servers.
• Provide resolution to various Severity1 incidents over bridge call.
• Use CIFS, NFS and FTP to share files over network.
• Provided Raw Disk and New mount points as per user's requirement via LUN ID's provided by SAN Storage and creating raw disk.
• User management.
• Extended and reduce the LVM to extend or reduce the existing space of any mount point.
• Daily Health check up of servers physically.
• Resolving hardware errors with the help of H/W vendors.
• Finding hardware issue via ILO, Chassis, HMC.
• Basic knowledge of veritas clustering.
• NFS sharing of mount point from AIX to Linux servers and vice-versa.
• Bringing servers LINUX up in case of panic, or hung, booting from CD.
• Fully Upgrade (Redhat ,Oracle) from their previous versions to new versions.(All packages) under VMC (Vulnerability Management )
• Installed SPLUNK monitoring tool of AIX/Linux with L1 level troubleshooting to make server reporting to splunk.
• Installed CA/UNAB agent in all LINUX/AIX servers.
• Backup Tools:
• Scheduled daily and weekly back up on IBM Storage tool TSM (Tivoli Storage Manager).
• Manage disks on TSM. Mounting new LTO Tapes in TSM library as scratch tape.

Feb 2013 – Mar 2015 · 2 yrs 1 mo · Noida, Uttar Pradesh, India

• Experience of Red Hat Linux Enterprise Servers, Linux, Debian, Ubuntu, Windows system, office applications, security software and others, knowledgeable in computer hardware and various devices.
• Experience of providing Band L1 support for desktops /Servers and networking.
• User management, Disk Management.
• System Monitoring (du, df, syslogd e.t.c) and LVM create, extend, reduce.
• Installation and Troubleshooting, Up gradation of Red Hat or Centos or Debian Linux OS through YUM & RPM.
• Skilled in various server services Red Hat Linux environment such as DHCP, FTP, SAMBA, Web Apache.
• Skilled in the installation, configuration, up-gradation and build RHEL5, 6 server including kickstart, NFS Configuration, Configure Apache as an Installation Server on Linux.
• Configuration and troubleshooting hundreds of Linux workstations and servers.
• Installation and Troubleshooting, Up-gradation of Red Hat or Centos or Debian Linux or Windows xp/7/vista OS.
• Disk Management, partitioning tools like fdisk, sfdisk e.t.c
• User Management, Group Management, File system Management ntfs, ext3, ext4, file system and utilities (mke2fs, e2fsck).
• Account and Security Management (providing normal access & ACL {Access Control List})
• LVM create, extend, reduce, snapshots including live extend of root.
• Swap create, resize.
• Managing Physical and Logical volumes.
• Advanced networking concepts, Troubleshooting skills.
• Performance monitoring and Tuning.
• Securing data (ssh, scp, sftp).
• Backup and Recovery Methodologies
• Installation and up-gradation of RPMs, Configuration of YUM Server.
• Handling FTP, DHCP, Apache, Samba servers at Bangalore office.
• Evaluate and install new software releases, system up gradation and handle Queries of network users
• Configuration and troubleshooting of MS Outlook, Mozilla Thunderbird, Kmail (POP, SMTP, IMAP).
• Handling printer installation on Linux (CUPS) & Windows. troubleshooting, sharing of local and network printer.