Ahamed Ullah Email & Phone Number

Toronto, On, Ca

Toronto, On, Ca

Toronto, Canada Area

• Supporting production networks and server systems in a 24x7 environment with load balancing.• Managing hybrid production server infrastructure (Vmware+Azure cloud) with managing resources, proactive monitoring and maintain security. Participate in the patching/hardening policies in server infrastructure• Administrating data center infrastructure, networking and connectivity and reliable access to all services. Work closely with service providers to resolve IP connectivity issues including MPLS, VLAN, VPN and DNS.• Closely worked with hardware and software vendors ensuring servers, network, and hardware equipment’s health. Perform regular firmware updates and security patches ensuring optimum infrastructure security. • Managing and administrating core switches, routers and firewalls ensuring inter connectivity between different work locations and datacenters. Manage remote works and their connectivity. Manage user’s accesses.• Imaging virtual server clusters in production, staging and development environment.• Administrating HP/IBM based SAN. Perform service provisioning request for new or expanded storage.• Automate server maintenance task with batch, shell script and PowerShell.• Network support to EDI infrastructure including FTP/FTPS/SFTP and AS2 connections.

Toronto, Canada Area

• Supporting production networks and server systems in a 24x7 environment.• Managing data center infrastructure, networking and connectivity and reliable access to all services. • Building and imaging of physical/virtual server clusters in production, staging and development environment.• Planning, developing, installing, configuring, maintaining, supporting, and optimizing all local and wide area network connections and network securities, associated software’s, and communication links.• Managing an enterprise level virtual environment for server consolidation to maximize the utilization of current hardware, decrease physical space requirements and drive energy consumption down through VMware ESX.• Writing batch and shell scripts for automation and server administration. Performing routine data backup on tape drive.• Providing production support to EDI infrastructure including FTP/FTPS/SFTP and AS2 connections. Manage and update connection certificates. Manage server certificates.

• Assistance to application support teams in troubleshooting problems with Windows 2000/2003.• Building and Imaging of both physical stand alone and virtual servers. VMWare vSphere 4.0 Server administration with vCenter for software development group.• Responsible for planning, implementation, and maintenance of all Microsoft based solutions such as SCCM 2007 and SCOM 2007. Supporting Tripwire security and compliance system • Assistance with migration from Windows 2000 to Windows 2003 or Windows 2008 template

• Administrate and maintain platform infrastructure components to support VMWare virtual environments across several datacenters.• Investigate user and network problems, identify their source, determine possible solutions, test, and implement solutions. Monitor network performance using the SolarWinds Orion NPM.• Plan and implement network security, including administrating firewalls, applying rules to network applications, managing host security and access permissions.

• Administrate Catalyst 2950, 3750 switches, Cisco 1811 router, Cisco PIX 506E Firewall, MS ISA Server 2004, MS Exchange Server 2003, and IIS 6 Servers. • Setup and manage corporate VLAN. Provided WAN/LAN/VLAN, NAT support including installation and maintenance to users in a Cisco network environment. • Implements, administrates, and maintains MS SQL databases. Schedule database/ application backup by using standard procedures. Applying operating system updates and configuration changes.