Purushothaman Kumar (Purush)

Experience

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  Core Computer Pvt Ltd.,

  Apr 2003 - Jan 2005

  Hardware & Network Engineer

  Roles & Responsibility:• PC Assembling, DOS & Windows Operation, Device Drive Configuration, Application Software Installation, Storage Sub-system & Display sub-system. • Internet configuration, Virus Control, Software Diagnostics & Advance Trouble shooting.• Windows 2000 Server Installation, Domain Controllers, NT Client configuration, Managing Users/Groups, Policy Editor, Managing profiles, Network print Configured troubleshooting in Network.• Topologies–LAN Protocols, Media Types, Hubs, Switches, Connectors, Cabling & Crimping, Workgroup & Domain Model, Connectivity Testing, Proxy Server.• Topologies–LAN Protocols, Media Types, Hubs, Switches, Connectors, Cabling & Crimping, Workgroup & Domain Model, Connectivity Testing, Proxy Server.• Windows 2000 Server Installation, Implementing Protocols, Domain Controllers, NT Client configuration, Managing Users/Groups, Policy Editor, Managing profiles, Networking printing, troubleshooting in Network. Show less

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  Zenith Computers Ltd. - India

  Apr 2005 - Oct 2009

  Customer support Engineer

  Achievements  Planned, Designed & Implemented Windows 2003 Active Directory Services (ADS), Group Policy, Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP) & Windows Deployment Servers (WDS). Planned, Designed & Migrated Windows 2000 to 2003 Server for FTP, Backup, ISA 2000 Server Migrated Entire Chennai RBPO Operation Site Datacenter Server to New site with Zero Downtime. Roles & Responsibilities:• Managing, Maintaining & Troubleshooting Windows 2000 & 2003 OS, Active Directory Services(ADS), Group policy, Domain Name System(DNS), Dynamic Host Configuration Protocol (DHCP), WDS, ISA Server 2000, FTP, IIS, Backup, Servers of Chennai Reliance BPO & L3 Support for South India Franchises location.• Configuring, creating, modifying & troubleshooting OU, GPO’s, DNS Zones, ISA Access policy, FTP, IIS, WDS & DHCP.• Managing & Maintaining Symantec End Point Production RU6MP1 GUP Server & Clients.• New Build & Rebuild the Dell PowerEdge 1950, HP ProLiant ML 350 and IBM eSeries X345 Servers.• Configured RAID 1, RAID 5 & RAID 0 in IBM X 345 Servers, HP ProLiant ML 350 & DELL Edge 1950 Server.• Taking Daily Backup and restore of ADS, FTP, SQL Database & Web servers. Remote administration through DameWare, VNC, Net meeting & RDP.• Testing & Updating latest service packs and hot fixes in all Servers through WSUS.• Monitoring all servers through What’s-UP Gold & Manage Engine OpManager 8 Monitoring Tools. Managing & Maintaining Manage Engine Services Desk Plus 8 for Asset Management.• Responsible for continuous function of all servers and applications. Coordinating with vendor for Hardware issue and Various Reliance ADA Group Server owners for New portal & New software access. Show less

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  Reliance Communications

  Oct 2009 - Dec 2011

  System Engineer

  Achievements  Planned, Designed & Implemented Windows 2003 Active Directory Services (ADS), Group Policy, Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP) & Windows Deployment Servers (WDS). Planned, Designed & Migrated Windows 2000 to 2003 Server for FTP, Backup, ISA 2000 Server Migrated Entire Chennai RBPO Operation Site Datacenter Server to New site with Zero Downtime. Roles & Responsibilities:• Managing, Maintaining & Troubleshooting Windows 2000 & 2003 OS, Active Directory Services(ADS), Group policy, Domain Name System(DNS), Dynamic Host Configuration Protocol (DHCP), WDS, ISA Server 2000, FTP, IIS, Backup, Servers of Chennai Reliance BPO & L3 Support for South India Franchises location.• Configuring, creating, modifying & troubleshooting OU, GPO’s, DNS Zones, ISA Access policy, FTP, IIS, WDS & DHCP.• Managing & Maintaining Symantec End Point Production RU6MP1 GUP Server & Clients.• New Build & Rebuild the Dell PowerEdge 1950, HP ProLiant ML 350 and IBM eSeries X345 Servers.• Configured RAID 1, RAID 5 & RAID 0 in IBM X 345 Servers, HP ProLiant ML 350 & DELL Edge 1950 Server.• Taking Daily Backup and restore of ADS, FTP, SQL Database & Web servers. Remote administration through DameWare, VNC, Net meeting & RDP.• Testing & Updating latest service packs and hot fixes in all Servers through WSUS.• Monitoring all servers through What’s-UP Gold & Manage Engine OpManager 8 Monitoring Tools. Managing & Maintaining Manage Engine Services Desk Plus 8 for Asset Management.• Responsible for continuous function of all servers and applications. Coordinating with vendor for Hardware issue and Various Reliance ADA Group Server owners for New portal & New software access. Show less

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  HCL Technologies

  Dec 2011 - Feb 2013

  Senior Engineer

  Achievements  Implemented/Migrated from Microsoft Internet Security and Acceleration (ISA) Server 2006 to Microsoft Forefront Threat Management Gateway (TMG) 2010 Implemented/Migrated from Websense Web Security 7.1 to Websense Web Security 7.7Roles & Responsibilities:• Managing, Maintaining & Troubleshooting Windows 2003, 2008 & 2008 R2 OS, Active Directory Services(ADS), Group policy, Domain Name System(DNS), Dynamic Host Configuration Protocol (DHCP). Configuring, Creating, modifying & Troubleshooting OU, GPO’s, DNS Zones, Sites & Subnets.• Managing, Maintaining & Troubleshooting ISA 2000, 2006 & Forefront TMG 2010 Servers, creating, modifying & troubleshooting policy.• Managing, Maintaining & Troubleshooting Websense Web Security 7.7 & 7.1 creating, modifying & troubleshooting policy.• Managing, Maintaining & Troubleshooting Windows 2003 & 2008 File & Print Servers. Creating, Modifying share drive, printers, users, groups, File Screening & Disk Quota.• Installation, Configuration and Administration of ESXi & XEN Servers. Managing 26 Physical hosts serving 300+ VM’s.• Maintaining & Troubleshooting Microsoft Exchange 2003 & 2007 Servers.• Managing & Maintaining McAfee ePolicy Orchestrator 4.5 & 4.6.• Testing & Updating latest service packs and Patches in all Servers through WSUS.• Responsible to take Daily & Weekly backup from servers using Tape drives (LTO4 & LTO5) through Symantec Exec 2010 and CA ARCserve 15.• New Build & Rebuild the Dell PowerEdge R810, R710 & HP Proliant DL 380 Servers.• Creating and Managing Virtual Machines and Templates on VMware vSphere & XenCenter.• Monitoring all servers through monitoring tool Orion Solwarwinds. • Planning, testing & publishing Applications in Citrix XenApp. Testing & installing XenApp hotfixes & updates. Show less

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  DXC Technology

  Feb 2013 - May 2018

  Professional I - System Administration

  Achievements: Transition of Wintel Support Project from Onshore to Offshore Played a vital role in successfully transition of Wintel support project from Onshore to Offshore.  CSC India have chosen and transferred me to CSC UK payroll during the transition period - 7 Months (Nov 2015 to Jun 2016).  Process and Technical documents are reviewed and prepared internal KT documents with additional inputs gathered in the project period. Roles & Responsibilities:Managing, Maintaining & Troubleshooting Windows 2003, 2008, 2008 R2, 2012 & 2012 R2 Operating System & Services - Active Directory Services(ADS), Group policy, DNS, DHCP Windows 2008 Failover Cluster, PowerShell Scripting for Network Rail & Textron EMEA Account.Installing new / rebuild existing servers in on-premises VMware Farm, Cloud vDirector & Physical Server and configure hardware, RAID, peripherals, services, settings, directories, storage for BAU and project requirements.Implementing and supporting Windows & VMware vSphere 6.0 & 5.1 Servers, configuring networking and security, and applying system patches, security fixes & CSC BIzCloud Migration. Incident management - Resolving Low, Medium, High priority & escalated tickets on Remedy, USD and Service Now Tools, Investigation, analyze of problems and providing of permanent fix for the severity tickets. Change Management: Implementing changes in accordance with change management policies and procedures. Develop, review and implement test plans to verify installation, upgrades, or repairs and prepare back-out plans for every change request. Problem Management - Performing RCA analysis for Sev1/2 incidents and provide mitigation plan and implement for the repetitive issues.BAU support: Supporting more than 2500+ servers which includes Dell, HP, IBM OEM Hardware’s. Also, supporting the HP Blade System P-Class & c7000 Server Blade Enclosure. Show less

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  Cognizant

  May 2018 - now

  Infra. Technology Specialist

  Achievements:  Planned, Designed & Migrated Windows 2008 to 2012 / 2016 Server for all application by doing In-place upgrade & fresh installation on 200+ Servers. Planned & Fixed Vulnerability by doing patching & configuration changes on 21000 Vulnerabilities on Windows OS, Office, Vmware Hypervisor, Application & Server hardware technology.Roles & Responsibilities:• Managing, Maintaining & Troubleshooting Windows 2008, 2016, 2012 & 2019 Operating System, Dynamic Host Configuration Protocol (DHCP), Microsoft Failover Cluster, KMS, RDSH / Terminal Server & PowerShell Scripting on 1800+ Servers. • Managing and troubleshooting of VMware vSphere Infrastructure for 50+ ESXi Host and Virtual Center Servers which are running on Production, Integration and Test environment.• Patching & Vulnerability Management on Windows OS, Esxi Host, vCenter, application & ILO including emergency security update using Ivanti DMS Tool & configuration changes.• Managing Infoblox IPAM Environment including install, Upgrade, MS DHCP scopes migration & troubleshooting on DHCP & NTP Services.• Managing Windows File Server shares across region including share creation, access provisioning, ACL Reporting & troubleshooting. Migrated Windows File shares into NetApp Shares on 150 TB Data without any impact to client. • Performing RCA analysis for Sev1/2 incidents and provide mitigation plan and implement for the repetitive issues as part of Problem ticket.• Managing Physical Servers hardware running on Datacenter including install, Upgrade, Configuration changes, Troubleshooting hardware with help of Vendor support.• Working with Lean and Automation team to simplify the routine activity and complex tasks to optimize the team work load.• Reviewing & drafting Process & Technical document for Project & BAU Tasks. • Planning & executing the DR / BCP testing on yearly once on across global locations Show less