Unix/Linux Specialist
DXC Technology (Formerly known as Hewlett-Packard GlobalSoft Pvt. Ltd.)
Total years of experience :30 years, 4 Months
Responsibilities: Supporting day to day activities of P&G which has Datacenters across the world. Supporting around 1400 plus Linux/UNIX boxes. We perform all activities from server provisioning, configuring, supporting production issues, executing all kind of changes.
Red Hat and HP UNIX Implementation
• We are working in all the below via Service Manager (HP’s Internal ticketing tool) as rotational shifts to meet the defined SLA and every month we are achieving 98% of the SLA in all.
o Change Management
o Incident Management
o New Installation
o Problem Management
• We have a huge Factory setup across the world in different Regions (Asia Pacific, North America, Europe) for which we are providing remote support called ALICS platform and it’s deployed utilizing HP ProLiant hardware/Blade Enclosure, VMWare vSphere and HP Store Virtual® VSA/LHN Storage technology.
Feather in my cap
• Taken additional responsibilities to work on SUSE Linux in building, testing various HP proprietary tools for the P&G customer environment.
• End to End testing for VMWare 6.7, prepared the change plan for Production Rollout
• Solarwinds deployment and production Rollout.
• Red Hat Enterprise 7.X testing along with various monitoring(OVO and Solarwinds) and application(SAP, Weblogic software, Apache… etc), updated the SOP for production rollout.
• Periodically checking the SECURITY and BUG Fixes for Operating System and Hardware and prepare plan for production rollout.
• Successfully tested and recommended for rollout for the new backup tool(Relax and Recover (ReaR) from Red Hat
• Handled End to End Problem management for Customer environment, following up with pear/within team for resolution and updating the same in KEDB, arranged regular Problem Management meetings and submitted the report to P&G management on bi-monthly basis.
• Participating in Solution validation calls and validating the same.
• Installing, Configuring and troubleshooting of Red Hat Linux (4.x, 5.x and 6.x) and deploying the security patches to the HP, DELL and IBM Servers (ProLiant, PowerEdge and Xseries Servers)
• Building the Servers using Kick Start in Red hat Linux for Global Customers
• Hardening the servers as per TCL standard and customer specific requirement.
• IP Teaming Configuration using Bonding
• Creating File Systems using LVM and resizing them on a fly.
• Maintaining File Systems and Backup
• Patching the servers using yum
• Firmware upgrades for Bios and iLO(HP), iDRAC(Dell)
Operations
• Providing remote support for the MHS customers hosted across Globe (UK, US, Singapore, and all other parts (Chennai, Mumbai, Hyderabad) of India).
• Analyzing of Remedy Tickets.
o Incident management
o Problem management
• Validating of Change Management Tickets.
• Setting up of Kick Start servers for new locations for Red Hat Linux.
• Setting of Red Hat cluster for new/existing customers.
o Configured MySQL as cluster resource
o Configured NFS as cluster resource
o Configured Apache as cluster resource
• Rollouts of Identity Management tool for centralized user management.
• Supported End-to-End for Solaris Live Upgrade, Regular Patching of Solaris Servers.
• Periodic check on Log Logic Stale Devices
• Reviewing of server logs using Log Logic appliances.
Feather in my cap
• On the job in replacing the existing Log Logic Appliances with Red Hat Syslog Setup for all the locations.
• Converted the existing internal servers from Red Hat to Cent OS to save the license cost
• Participated in Red Hat License Consolidation for Physical and Virtualization environment to save the cost to the company
• Worked in HCL for Implementing and supporting the infrastructure for Global IT.
• Taking care of both Production (Noida) and DR (Chennai) Sites.
• Responsible for entire Unix Landscape of Production, Testing and Development.
• Business planning for new services and designing new DR sites for existing services.
• Providing 24x7 services.
• Solving day to day Level-2 and Level-3 problems (escalations) and following it up with the customer/vendor until closure through ticketing system like REMEDY.
• Installation & Up-gradation of HP UNIX 11i V3.
• Installation & Up-gradation of Guest operating Systems (Windows and Linux Family) on HP Integrity servers.
• Root Cause Analysis for recurring problems, critical incidents and service/server outages.
• Proactively monitoring the system's health and taking preventive or corrective action as required.
• Checking the entire log file to make sure that the installation went fine without any warning/error messages.
• Checking whether all the features of the guest operating system are working normally and deploying necessary patches on all guest operating systems.
• Downloading latest updates from ITRC and upgrading the UNIX IVMs to the latest patches and validating the guest OS on different flavor of operating systems.
• Providing on-call system support over round the clock for technical analysis, diagnosis, installation, maintenance, and modification to resolution or escalations in a 3-Tiered environment ensuring 100% compliance with Service Level Agreement.
• Participating in business calls, process meeting in weekly basis to analyze and review the change request, business critical incidents.
• Worked in Wheels India Ltd (TVS Group) thro Futurenet Technologies as Network Engineer.
• Installing configuring and maintaining of Assembled machines.
• System Administration Activities including user administration, and ISA server administration, Interaction with clients.
• Solving day to day Level-2 problems and following it up with the customer until closure through mailing system.
• Installation & Up-gradation of Operating system patches, Regular backup on tapes using LEGOTO Backup software.
• Proactively monitoring the system's health and taking preventive or corrective action as required.
• Maintaining test servers with a similar set up installed for doing any proactive testing and later applying it in the Production server.
• Monitoring the alert from the logs, errors and warnings and provided corrective action if required.
• Responding various Problems of clients over phone and email and following it up until closure.
• Fixing different types of errors in different stages and Root Cause Analysis for recurring problems.
• Preparing incident reports on daily basis and updating the knowledge base for known errors.
• Assembling of Systems for various end-users.
• Implementing/administrating/managing of client’s local LAN and desktop PC’s.
• Installing/configuring the application software for client.
• Core troubleshooting all desktop’s, in hardware and software level.
• Replacement of H/W (Motherboard, Memory, Media-Drives, NIC cards, Monitors and Printers)
• Planning and implementing of Network setup done at M/s. Cooper Bussman, Sedarpet, Pondicherry.
o Prepared a complete drawing using MS Visio.
o Done the same with maximum uptime for network connectivity to clients.
o Testing of network connectivity using network tester.
• Maintaining the desktop PC’s, antivirus and application software.
• Troubleshooting all desktop’s hardware and software level and managing the LAN connectivity.
• Replacement of H/W (Motherboard, Memory, Media-Drives, NIC cards, Monitors and Printers)
• Completed network setup has been done for various clients which includes preparing of drawing, planning and implementing the same.
• Installing and troubleshooting of Windows NT and 98 in desktop PC’s, antivirus and application software.
• Managing the BNC LAN connectivity.