Sreesankar R

Experience

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  Assyst

  Jul 2009 - Dec 2011

  Infrastructure Engineer

  • Assisted in troubleshooting user problems relating to operating system issues, network connectivity, TCP/IP configuration, upgrades, MS Office products, and Internet connectivity.• performed upgrades, the installation of software and drivers, and essential desktop troubleshooting.• maintained the operation of Exchange Domain Services, Active Directory Services, File and Print Server Services, and Intranet environments.• Deployed updates, service packs, and hot fixes using Windows Update, automatic updates, and group policies.• User rights and permissions, disabling and enabling accounts, file and folder permissions, and configuring security templates as per need• Troubleshooting hardware peripherals• evaluated, purchased, and installed hardware components, application service packs, and operating system upgrades.• Experienced on HP servers, IBM x3650, and Dell servers (Power Edge 1900/2950/SC-420)• Centralized Deployment of Enterprise Antivirus Solutions (Trend Micro/Kaspersky) Show less

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  Soffit Infrastructure Services (P) Ltd

  Sept 2012 - Mar 2014

  Senior Network Support Engineer

  • Remote Infrastructure Management• Mentoring new members of the Remote Infrastructure Support Team• Handled 3 members of the team at onsite-remote site support.• Implementation, Administration, and Maintenance of Windows Server 2003 R2 STD, Windows Server 2008 R2 STD, and CentOS 6.1 Network Environment• Implementation, Administration, and Maintenance of Windows Active Directory ServicesConfiguration of Active Directory Sites, configuring, and troubleshooting Site ReplicationConfiguring and troubleshooting GPOs• Implementation and administration of DNS, DHCP, IIS, FTP, VPN, and SQL DB services• Designing, Implementing, and Migrating Virtual Server Environments Using VMware ESXi, VSphere Client, vCenter Server, and vMotion• Dell and Software Storage Management; Disaster Recovery of Server Services; Maintenance and Testing of Server-Application Services• Planning and documenting hardware configuration and network design• Managed enterprise-level antivirus product installation and configuration (McAfee/Kaspersky).• Managed PineApp Mail Secure Mail Server• Install, configure, and maintain the hardware and software of the Watch Guard firewall.• Exposure to Dell servers (Power Edge and IBM x Series servers)• Experience in overall infrastructure management (including different branded servers, switches, storage, tape libraries, etc.)• Acted in the role of project manager on varying projects (Windows, VMware, P2V migration, mail server installation, and migration of storage).• Implemented and supported VMware Zimbra Mail System installations. Show less

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  OCS Infotech

  Jun 2014 - Apr 2021

  Senior System Administrator

  • Manage High-level IT Infra with Private & Public Cloud.• Manage Client-Server Network with Office 365, Exchange Hybrid, Azure Active Directory & Exchange Protection• Managed all aspects of administration, client copy functionality, performance analysis and memory/buffer management, spool administration database backup/recovery, database export/import, patch implementation, technical documentation, and troubleshooting• Manage Active Directory Services, ACL and Security• Managing VMware DC-DR Infrastructure, Creating Virtual Machines, Snapshots, Templates, and Clones etc.• Managing Onsite-Offsite tracking and recall of Tapes.• Responsible for Change Management, Project Management, Incident Management• Acting the Role of Initiator-Executor in Incident Management, Availability Management, Service Continuity, IT Service Management (ITSM)• Responsible for ensuring Server Security Compliance and Risk Management of Data in Servers.• Liaised with stakeholders (Customer / Account) for planned/unplanned outages • Identified and managed potential incidents through alert management and trend analysis• Collaborated with Senior Management and Technical Teams• Act as Primary Focal point in rolling out of the Manage Engine Desktop Central • Coordinated the roll out of Infrastructure Migrations/Upgrades, Monitoring tool for Servers, Manage Engine Service Desk (Ticketing Tool).• Handled and resolved the customers' issues distributed across Windows-based application• Mail Routing – Monitoring Logs, Setting up calendar and scheduling• Evaluated the performance, carried out problem analysis and provided resolution to maintain system integrity and maximize uptime• Responsible for Enterprise Antivirus and DLP Infrastructure (Symantec/McAfee EPO/Trend Micro)• Responsible for Enterprise Backup solution Administration (Commvault Simpana, Veeam Backup & Replication)• End-to-End Data Center Operations. Show less

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  FIS

  Apr 2021 - now

  Lead Engineer - System Administration

  Responsibilities:• Remote Infrastructure Management of Clients.• Responsible for Change Management, Problem Management and Incident Management• Responsible for ensuring Server Security Compliance and Risk Management of Servers on Cloud and on premises.• Handled and resolved the customers issues distributed across Windows based application on Cloud and on premises.• Coordinated the roll out of Infrastructure Migrations/Upgrades, monitoring tool for Servers.• Responsible for Operations of Service lines like Wintel (Windows/VMware Esxi/Hyper V/Azure/O365 All Services), Back Up (Commvault Simpana/Veeam Backup & Replication), Storage (HP) and Database (SQL).• Ensured that security settings meet current standards in collaboration with other team members and business representativesEnvironment: Technologies: Server / Storage / VMware / Windows / Cloud / Mail / Backup / ITIL Certified Change & Incident Management FrameworkPlatform Used: Cisco UCE Servers, Dell Servers / HP Storage, Pure Storage/ Windows Server, 2016,2019, 2022/ VMware, Citix Application Virtualization / Microsoft Exchange Server 2019-Hybrid Exchange Online / Microsoft O365 & Azure Active Directory / Commvault Simpana v11, Veeam Backup and Replication v9.5/ SERVICE NOW, TRACK IT, Manage Engine AD Manager Plus,AD Audit Plus. Show less