Vijay Nath Tiwari

Experience

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  Alliance Broadband Services Pvt. Ltd.

  Jul 2004 - Mar 2007

  Network Engineer

  1)-Architect, design and troubleshoot for Fiber-optic Broadband Network for Internet with a team of four Network Technician, Design and implement an IP addressing / Subnetting scheme to meet network requirement in a medium-size Enterprise branch network.2)-Worked with Network Administrator for Router configuration creating static, dynamic & default routes as per the requirement, applied access lists, Nat configuration, manages IOS configuration files (Including: save, edit, upgrade, restore).3)-Creation, Configurations and troubleshoot switch network with VLANs management and inter-switch communications in L2 switch (Allied Telesyn), Update and maintain full disaster recovery data / call switching, routing plans across multiple sites.4)-Support LANs, WANs, network segments, Internet, and intranet systems. Install, manage Cyberoam software for bandwidth distribution. Show less

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  Limtex Infotech Ltd

  Mar 2007 - Jun 2008

  System Administrator L2

  1)-Responsible for installation and maintenance of Dialer (Concerto & Parsec) and other telecommunications and networking equipment's and hardware peripherals for outbound).2)-Monitoring and maintain VOIP Gateway (Audio Code Median-2000) make call routing plans across multiple link. Troubleshoot voice/data network problems, including response time issues, misrouting of data/voice calls.3)-Monitor MVOIP & LLC Link for calling & internet purposes.4)-Configure & maintain Antivirus Server (McAfee).5)-Maintenance of ACTIVE DIRECTORY infrastructure, setup & maintain user account adding, removing, or updating user account information, resetting passwords etc.6)-Monitor system performance, Quickly arrange repair for hardware in occasion of hardware failure, Create a backup and recovery policy, Monitor maintain network communications and system security.7)-Maintenance of In-house hardware & network related problems of users.8)-Assist in the planning, implementation, maintenance, and monitoring for data & voice network.9)-Update system as soon as new version of OS and application software comes out.Installing new hardware (servers, printers, computer work stations etc). Show less

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  COGENTech Management Consultants Pvt. Ltd.

  Jul 2008 - Mar 2010

  System Administrator

  1)-Responsible for installation and maintenance of Telesynergy dialer and other telecommunications and networking equipments and hardware peripherals for outbound dialing.2)-Monitoring and maintain VOIP Gateway (Audio Code Median-2000) make call routing plans across multiple link. Troubleshoot voice/data network problems, including response time issues, misrouting of data/voice calls. Monitor IPLC & LLC Link for calling & internet purposes and coordinate with VOIP and Internet service provider for maximum uptime.3)-Installed and configured Squid proxy server, NFS, Samba server in Linux, Handle & Maintain Mail Server (Plesk, Exchange server, Vpop Server), Configure and set policy for Internet usage as per profile on Sonic wall firewall. Show less

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  Limtex Infotech Ltd

  Mar 2010 - Jan 2016

  Sr. System Administrator

  1)-Handled a team of four junior system administrators. The company had three operational units at three separate locations in Kolkata. As a Sr. System Administrator, I was responsible overall IT infrastructure of all three operational units.2)-Linux system administrations - responsible for installing, configuring and maintaining the Linux servers and workstations with LAMP Stack, like OS installation, Software and Patch management. Installation Configuration & troubleshooting of VSFTPD, SAMBA, NFS, NIS, LDAP, and Domain configuration in Linux.3)-Windows system administrations- IIS configurations with .Net versions and other Application framework. Maintenance of Windows Domain Server 2003 & 2008 setup security policies for users along with computer system and network, Setup user policies for users along with computer system and network (LAN,WAN) in Fortigate & Juniper Firewall.4)-Responsible for installation, design and implements of Aspect UIP system, Touchstar dialer and other telecommunications and network equipments and hardware peripherals for business strategies and goals.5)-Monitoring and maintain VOIP Gateway (Audio Code Median-1000 & 2000) make call routing plans across multiple link. Troubleshoot voice network problems; including response time issues, Misrouting of voice calls. Monitor MVOIP & LLC Link for calling & internet purposes and coordinate with service provider for maximum uptime.6)-Configure, maintain and monitoring Trixbox server for inbound & outbound calling through X-Lite or Eyebeam, Configure and maintain Antivirus Server (McAfee).7)-Responsible for maintaining asset (IT INVENTORY) of the concern, preparing reports on fortnightly basis, performing routine audits of systems and software. Show less

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  MaxMobility Pvt. Ltd.

  Feb 2016 - Feb 2021

  Senior Server Administrator

  1)-Responsible for the operation and administration of IIS web servers and Apache web servers.2)-Implemented and working on DevOps tools (Docker, Git, GitLab, Jenkins, Nagios, Monit).3)-Responsible for Cloud Web Hosting Server Administration (Linux, Windows) with SSL, installing 4)-configuring & maintaining LAMP Stack, Nginx, Tomcat, IIS configurations with .Net versions and other Application framework.4)-AWS administrations, like launch instances with User Data, resize the running instance, enabling IPv6, Elastic IP & Security-Group management, creating custom AMI, creating & configuring Elastic Load Balancer & VPC as per client’s requirement.5)-Responsible for installing WHM, creating cPanel & deploying the projects as per clients’ requirement.6)-Deploying project through CI/CD tools (Jenkins) in both Linux and Windows environments.7)-Docker Management- Creating image, run containers with Virtual Host & SSL as per projects/applications requirement.8)-Monitoring Servers with Services – Implemented and configured Nagios & Monit tools for monitoring In-house and Cloud server’s performance with hosted websites. Show less

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  MSR IT Ltd.

  Feb 2021 - now

  • Assistant IT Manager

    Aug 2022 - now

  • Senior Devops System Administrator

    Feb 2021 - now