Ratan Saha

Experience

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  CMS Computers Limited (INDIA)

  Dec 2005 - Sept 2008

  Senior Engineer

  I have managed a team of 7 technical support members and actively participated on network management, firewall configuration and mail server management. I have also worked at installing, monitoring and taking regular backup of both data and file server. I have provided 2nd and 3rd level support on all IT equipment including desktops, laptops, and network routers.• Worked with sub-ordinate field engineers on IT troubleshooting of desktop, laptops and software.• Managed AD server and taken daily backup of three different servers.• Provided user level and server level support to email server (MS-Outlook).• Maintained proper connectivity and networking within the organization.• Ensured best security against all kind of malware and external attacks.• Lead a technical support team and made proper resource planning. Show less

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  PDS Multinational Group

  May 2010 - May 2018

  Asst. Manager IT.

  SUMMARY:• An IT Professional with a proven track record of progressive management experience, team leadership and technical skills.• Strong business and technical vision.• Ability to implement multiple new branch offices and manage multiple complex projects.• Innovative and creative problem solver.• Always Results oriented.• Has an aptitude for learning and can maximize resources while possessing a sense of urgency.• A team builder, who motivates staff to excellence.Project Completed:Mail Server Migration: • MS Exchange to Zimbra (535 Mailboxes)..• Zimbra to office 365 (25 Mailboxes).Firewall Migration:• Cyberoam to Sophos.• IT Infrastructure implementation in 17 New offices.Over the 12+ years working experience in the field of "Information Systems Engineering ". I have extended my services to the following organizations:• PDS Multinational Group (Norwest Industries LTD.)• SENSEL DESIGN BD LTD. Bangladesh• CMS Computers Ltd. Kolkata, India• Atul & Associates (WIPRO Services) Kolkata, IndiaCORE COMPETENCIES:Unified Threat Management:• Expert to deploy, manage and troubleshoot any types of firewall (Cyberoam, Fortigate, Sonicwall, and Microtik).Mail Server:Expert to deploy, maintenance and troubleshoot Mail server.Zimbra server (Open Source & Network Edition), SendMail, Postfix.MS-Exchange Server 2013- 2007, Office 365.Linux:Operating System: Redhat, Centos, Ubuntu LTS.SAMBA4 as AD, DNS, WEB, SAMBA, LDAP, FTP, VSFTP.Microsoft Server:Install, Configure, Monitor and troubleshoot Windows Server 2008-2012.Active Directory, DNS & DHCP.Messaging: MS-Exchange Server 2013- 2007.Technical Help desk:• Analysis user’s technical complaints and find out the root cause and provide solution.• Analyze network performance and traffic to ensure better quality of service.Others:• IT budgeting and IT equipment purchasing, Asset Management. Team handling.• Attention to detail and ability to work under pressure.• Maintain related documentation. Show less

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  Scholastica Limited (A member of Ascent Group).

  Jun 2018 - now

  Information Technology Manager

  I have been leading an IT infrastructure management team. I have been analyzing and maintaining Central servers which connect to different locations/offices using secured tunnels. My job responsibility also includes IT policy, system audits, yearly budget with techno business planning, data center management, project management, network and data security. I am also taking care of 8 different servers, (Mail servers, File Server, Web Server, Proxy server, AGERM server and Gateway servers). I am overseeing IT support of 10 concerns of Ascent Group operation in Bangladesh. Show less