Mohammad Rezai

Experience

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  DATAMATX, Inc.

  Mar 2004 - Jan 2016

  Data Center Operation

  Promoted from Quality Control to Data Center Operation. Provide exceptional customer support to external company clients. Manage the process of programs and files that transfer between the company and its clients. Create and support client user accounts, to include resetting passwords, unlocking users, creating OUs and GPOs, applying GPOs to OUs, and archiving clients’ data. Enter required information into TRAX system. Activate, deactivate, and manage job scheduler CRON. Monitor, troubleshoot, and utilize 45 Windows production machines and 20 Windows servers. Update 45 production machines and create their hard drive images and backups. Add and configure clients on LANVisor. Perform and define applications processes, create tape back-ups, and restore data. Download NCOALink’s files and update NCOALink’s directories. Supervise 2 security camera systems. Show less

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  Simeio Solutions

  Dec 2015 - Mar 2020

  Infrastructure Operation Administrator

  Manage daily operations of Simeio’s Global Headquarter in Atlanta as well as and Canada office. Configure, troubleshoot, and monitor Simeio’s Switches, Routers, and Wireless AP. Manage, configure, and troubleshoot firewalls (100d, 90d, 80d and 70d); configure site-to-site VPN and VPN software on Windows and Mac systems, as well as create Sophos’ rules and policies. Create, manage, and resolve AD, DNS, DHCP, and FTP issues; also, create, delete, and modify AD group policies. Install, configure, and troubleshoot XO VoIP phone systems. Manage, create, modify, suspend, and delete over 200 users’ accounts on AD, Gmail, Service Desk, and Manage Engine. Identify Simeio’s hardware/software needs and ordering them as needed. Assign tasks to co-workers and evaluate their achievements. Train new hires. Provide technical assistance to over 200 employees related to their systems, software, hardware, and mobile devices. Create, configure and troubleshoot Windows and Linux servers (physical and virtual). Administrating Simeio’s VMware vCenter , ESXI Servers, and VMs. Create AWS instances, take snapshots, and restore AWS’ instances from snapshots. Show less

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  Ciner Resources

  Mar 2020 - Nov 2021

  Infrastructure Engineer III

  14 years of IT professional in Networking System Administrator with high experience in the following but not limited to: - Mostly working on projects- Administrating the entire Ciner's network system nationally (firewall, router switches, wireless access points, servers, ESXI, Active Directory, DNS, DHCP, file server, print server, radius server). - Administrating Ciner's cloud environment: Microsoft Azure Virtual network, Cloud Storage Fortigate-VM for Azure, and other VMs, including extending domain controller on Azure.- Installing, managing, and troubleshooting Server 2008, server 2012, server 2016, and server 2019. - Orchestrating hosted exchange environment including Office 365 troubleshooting and managing.- Documenting and creating VM's and individual server's backup on internal storage and on Azure Blob using Veeam Backup & Replication. - Using Veeam to restore VMs, systems, and individual files from Azure cloud and from internal storage.- Creating security baseline practice to find and sort risk and vulnerability on network.- Setting up single sign-on (SSO) for online applications and using Azure Active Directory as source authentication.- Determining risks and vulnerabilities of the systems and resolving them.- Monitoring the system network connectivity and labeling each device that is connected to the network. In addition,- Designing system network diagrams to enhance infrastructure, system performance, and to improve security. Show less

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  Birla Carbon

  Nov 2021 - now

  • Regional IT Leader - IT Operation

    Nov 2023 - now

  • Lead Analyst-IT Operation & Business Relationship Manager

    Mar 2022 - Nov 2023

  • Lead Analyst-IT Operation

    Nov 2021 - Nov 2023