Mayank Talwar

Network System Administrator at Toronto Real Estate Board (TREB)
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Contact Information
us****@****om
(386) 825-5501
Location
Greater Toronto Area, Canada, CA
Languages
  • English Professional working proficiency
  • Hindi Native or bilingual proficiency

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Credentials

  • MCPS: Microsoft Certified Professional
    Microsoft
    Sep, 2016
    - Nov, 2024
  • MCSA: Windows Server 2012
    Microsoft
    Sep, 2016
    - Nov, 2024
  • CCNA Wireless
    Cisco
    Feb, 2015
    - Nov, 2024
  • JNCIA JNO-102
    Juniper Networks
    May, 2014
    - Nov, 2024
  • CCNP
    Cisco
    Aug, 2013
    - Nov, 2024

Experience

  • Toronto Real Estate Board (TREB)
    • Canada
    • Real Estate
    • 1 - 100 Employee
    • Network System Administrator
      • Nov 2016 - Present

      Providing operational support (levels I, II & III), system administration, and network enhancements to the country’s largest Real Estate company with over 50000 members. Evolved the LAN/WAN environment over time, including design and management of streaming video, voice, and data networking. • Implemented and managing Active Directory infrastructure and Network fundamentals, protocols (such as TCP/IP, DHCP, DNS, SNMP), Group Policy and Profile Management.• Reengineering company’s systems setup: establishing of routines, optimizing system performance, installing upgrades/patches, establishing system monitoring and maintaining security protocols.• Optimizing system availability (averaging 99.95% uptime) and equipped TREB with scalable systems to support business growth.• Responsible for successful PCI Audit 2017/2018 for TREB – tasks included policies & remediation techniques (Server Hardening/Security Standards). Successfully applied system/Network wide implementation and compliance of Payment Card Industry Data Security Standard (PCI DSS).Major projects/Achievements:• Resolved a history of problematic network failure by troubleshooting LAN/WAN connections between Head office and branches.• Migrated 250+ users from full internal email system with an Exchange Server 2007 to Office 365• Brought Automation w.r.t Windows patches updates by using tools like Bomgar which greatly enhanced productivity.• Suggested and implemented Meraki access points (and not Cisco WLC) at our new remote office in Mississauga which reduced company’s expenditure by nearly 50%• On daily analysis, found application server to be compromised thereby recommending Apache upgrade to 2.4.34. • Proactively acted on Cisco Firewall Vulnerability by upgrading to 9.1.7.29 thereby preventing network shutdown.

  • Oasis Investment Company (Al Shirawi Group)
    • United Arab Emirates
    • Investment Management
    • 300 - 400 Employee
    • Senior System Engineer
      • Mar 2016 - Jul 2016

      • Implemented and supported L2/L3 WAN / LAN services including IPsec VPN /SSL VPN Hub Spoke topology additionally supporting 20 circuits.• Managed multiple Cisco 3750 V2, 3548xl, 2950xl, 2948xl series switches and Cisco 2500, 2600, 3640, 3945, 7200 series Routers.• Installed Cisco 4400 WLAN controllers and configured Access points.• Provided mobile device support for smart phone and tablet devices. Support included application, wireless and email configurations for Blackberry, iPhone and IPad devices.• Designed and deployed a virtual domain network for use as a development environment that includes a domain controller, Active Directory 2008/2012, DHCP, DNS, and a Microsoft Exchange server• Migrated applications from Windows 2008 to 2012 Data Center Operating systemMajor projects/Achievements:• Reduced support tickets 25% by developing, analyzing periodical performance reports and eliminating recurring problems.• Implemented Help Desk incident management system: "ServiceDesk Plus®".• Implemented complete IT infrastructure for new Company’s Branches: 15 Local Branches

  • Tata Consultancy Services
    • India
    • IT Services and IT Consulting
    • 700 & Above Employee
    • System Engineer
      • Sep 2014 - Feb 2016

      Supported an esteemed client Apple for a variety of projects that included implementing infrastructure upgrades, system security measures, LAN/WAN networks, etc. Proficiently handled the Network & System side of around 500 Apple Stores around the world.• Acted as escalation point for troubleshooting advanced network/systems issues; consistently earned 100% issue-resolution scores by providing excellent service to the customers.• Trained employees within departments on network operations including log-in procedures, network management software, permissions, printing issues, security and use of software.• Complied with Change Management Protocols throughout Upgrade process during shifting of offices and documented patch, driver, permissions and event log information.• Ensured all customer service level agreements (SLA) are being maintained and provide 24/7 support for network outages• Was involved in migration from Cisco ASA to Juniper SRX firewalls• Oversaw migration of WAN links to new service provider, designed full mesh WAN, set up TFTP server (Linux based) to backup, and restored configuration and IOS image files for the Juniper SRX, Cisco routers, and Catalyst switchesMajor projects/Achievements:• Maintained over 1800 servers for a single client.• Awarded best performer consecutively for 2 times in a row.• Performed moves, add, changes to L2 switch port configurations like EtherChannel bundles, port security, BPDU Guard to prevent switching loops for all the stores in record time.• Reduced system rebuild times by one-third through the use of disk imaging software.

  • HCLTech
    • India
    • IT Services and IT Consulting
    • 700 & Above Employee
    • Network Specialist
      • Aug 2012 - Aug 2014

      • Provided computer help desk support via onsite service, remote and telephone communications in a 200+ user environment.• Implemented and maintained a network anti-virus solution (Symantec endpoint protection).• Performed diagnostics and troubleshooting of system issues, document help desk tickets and resolutions.• Created, deployed and maintained desktop/laptop imaging using LANDesk, Norton Ghost.• Performed, maintained and verified backups and restores for local site systems. Used Symantec Backup Exec, the amount of data backed up exceeded 1TB weekly.

Education

  • Punjab Technical University
    Bachelor's Degree, Electronics and commuications
    2005 - 2009
  • DAV Public School, Janak Puri, New Delhi
    -

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