MARIMUTOO (ROGER) THIAGARAJAH

***-**** ******** **** ******, Scarborough, ON. M1R 1W5

Mobile: 647-***-**** Email: adexd1@r.postjobfree.com

linkedin : https://www.linkedin.com/in/mthiaga/

Work Summary

Offering more than 15 years of experience in IT field, having held following positions: Network Administrator / Engineer / Specialist / Consultant.

Experienced in enterprise level environments having worked for major clients in Banking, Insurance, Healthcare, Automotive Industries, Government Sector, Service providers, IT Service Integrators etc.

Experienced in Radio Communications having worked on board Vessels, Construction sites, Communications companies, Telecommunication Providers.

Education Summary

Microsoft: MCSE / MCSA / MCTS

Cisco: CCDP, CCNP / ASA Firewall / SECURE, CCNA in Security / R&S / Voice / Data Center )

CompTIA A+, Novell (CNE), Wireless (CWNA), Solarwids SCP (Network Management)

University of Toronto (evaluation) – Diploma in Technology

University of Sri Lanka - National Diploma in Electronics & Telecommunications

Operating Systems: DOS, Windows 2003 / 2008 / 2012, Windows 7 / 8 / 10, Apple O/S

Novell, Solaris / Linux Distros

Application Software Office 365, Visio, Citrix, MSSQL, NDS / AD, SCCM, LDAP / DHCP / DNS, AAA servers, Call Managers

Data Center Operation Rack / Stack HP / Dell / IBM Blade servers, KVM / Pdu, SAN, SDN, SD-WAN, Prime LMS, Cisco Meraki fundamentals.

Virtualization: VMware, XenApp / XenServer, ESX, Hyper-V, Vsphere / XenCenter, Solarwinds Orion ( NPM / NTA ), Cisco UCS, Nexus 5K / 7K, Storage Arrays, F5 LB

Hardware: Cisco 802, 2600, 3600 Routers series. Cisco 2900, 3500, 4000, 6500 Catalysts,

ASA 55XX, Fortigate, AS53XX, Sonic TZs, Checkpoint, Palo Alto VA

Desktops / Laptops, Network Printers, Peripherals, Thin Client Workstations, Wireless Routers, Juniper, RF Equipment

Networking /Security: TCP/IP, ATM, Ethernet 100/1000, DNS, DHCP, SNMP, RIP, EIGRP, OSPF, IS-IS

BGP, HSRP, VLAN, ISDN, T1, Frame Relay, DSL, Cabling, WLAN, VPN,

QOS, Voice Over IP (VOIP), Dialup, VLSM, NAT, PAT, ISL, DDR, PPP,

MPLS, DMVPN, VPLS, Cisco Secure (TACACS+), RSA SecurID, AAA, 3DES/DES,

F5 BIG-IP LTM Essentials, ASA FW, Sophos, Cisco VPN / IPSEC, 802.1x, Ciscoworks, HP Openview, Checkpoint r70 - r77, Websense, RF circuits, Junos (Juniper) Core fundamentals, Wireshark, Security Device Manager, PA-VM-100

Programming: C/C++, VB, PowerShell, TCP Scripts, HTML5 / CSS3 / JavaScript, Python, Bash shell

REST API, Jason, Ansible, Network Automation, Web programming

Telecommunications : RF, ISDN, SSL, Sigtran, Radius / Diameter, DSL, Docsis, SIP, LTE, WiFi, CUCM, VOIP, VoLTE, GSM, GPRS, 3GPP standards.WDM

Employment History

Provisioning Specialist MAR 2016 - OCT 2019

Rogers Communications - Brampton

Profecient in IPv4 / IPv6 subnetting and address space allocation.

Knowledge and experience with DHCP / DNS operational tools such as Windows DHCP server, CNR

Worked with IP Enterprise Network team for IP Address management utilizing IPAM, Infoblox

Assisted the DHCP migration project which transferred it into a virtualized cloud environment. Wrote VBA / Python scripts for automating IP configuration..

Commissioning and decommissioning Cisco Cable Modem Head-end Routers ( CMTS ), 5K Nexus, and Edge QAMs.

CMTS - DOCSIS 3.0 to 3.1 upgrades . Node capacity / Node Physical augmentation, Line Card Provisioning., Service network project management / network change management tickets via Remedy BMC petrol. Liaise with different IT departments for successful completion. Remote Configuration of Cisco / Casa / Juniper routers and switches.

Technologies used: SSH, Telnet, VPN, Office 365, Skype for Business, Remedy, IOS, .Database tools etc.

Develop Scripts using Excel VBA, Python to automate day to day repetitive tasks such as provisioning nodes, dgw / cgw switches and CMTS / CCAP configurations and changes

Day Spoc, Interaction with field technicians to approve change managements with Prechecks / Postchecks on CMTSs, Nodes etc. Handle 2nd Level escalations during cutover activities.

Network Analyst NOV 2015 - DEC 2015

Rogers Communications - Toronto

Analyze Infrastructure and Network Projects and prepare Technical Documents (TDD) with specifications and

Visio diagrams. Participated in team meetings tracking progress on on-going projects.

Assisted Installing c7000 and configuring blades / creating VMs. Virtual Connect / VSphere 6 / Windows 2012.

Technical specialist

PwC Data Center - Toronto JUN 2015 – JUL 2015

Decommissioning, reconfiguration, stacking, cabling and testing of new server builds in PwC Data Center.

Installed equipment: Cisco Nexus 7K / 5K switches, Juniper SSG, Cisco ASA 5585 firewalls, F5 load balancers, Solarwinds Orion network monitor, Cisco UCS

Century Link ( Data Center ) – Markham MAR 2015 – APR 2015

Racked, Stacked, Cabled and Tested – 8 APC / SUN racks for Oracle

Installed Cisco switches (Nexus 9K / 5K / 2K), F5 load balancers, ASA firewalls, Avocent KVM switches, network monitors.

Device / component identification followed Device Placements as in the Elevation Diagrams.

Network Services Administrator APR 2015 – JUL 2015

Rogers Data Centers - Markham

Serviced Client Requests for firewall and other related connectivity / security orders

Designed, configured routers / switches and installed firewalls – Cisco ASA, Fortigate, Sophos

Implemented VPN, ADSL, PVLAN, DMVPN network solutions to extend client networks to data centers.

Worked with Windows Server 2008 / UNIX administration team for authentication purposes on DNS / LDAP.

Monitored networks using in-house network management tools.

Troubleshot networks, parsed log reports, executed change management, project management.

Configured Cisco 841 routers, Upgraded IOS,and Implemented cut-over for OLGC new Bingo branches.

Install and configure Sonicwall and Cisco PIX firewalls, DSL / cable modems, wireless routers, WLAN controller.

Implement HA, clustering and Load Balancing Solutions.

Implement Off -site backup solutions.

LAN / WAN / Setup Internet connectivity. LAN / WAN / Setup Internet connectivity.

Racking and stacking equipment and cabling.

Install application software such as Microsoft Office Suite, SharePoint, Financial packages etc.

Consultant for Netplus Institute setting up mock labs for installs and updates on Linux Ubuntu 14.2 / Windows 2008

IS Level 2 Support APR 2013 – JUL 2013

Messier-Dowty Inc – Ajax, Ont.

Provided Windows Server 2008 provisioning and migration, DNS registration and AD Group Policies (GPO) to push Windows 7 and publish application updates. Adjusting SCM security templates to create security policies

Performed Windows 7 imaging, packaging and deployment, Packaged / Distributed application using SCCM

Gathering and analyzing security requirements. Managed projects

Monitored network performance using Solarwinds Orion.

Aruba / Cisco Wireless client configuration, RSA Token Administration.

Network Design ( migration / Transitioning ) SEP. 2012– DEC. 2012

Platform Computing ( IBM Division ) ( Contract ) – Markham, Ont.

Creating Windows Server 2008/2012 and Linux VMs on ESXi – vSphere, Xencenter – AD Domains / Group Policies

Windows / Unix OS (server provisioning / migration), DNS registration, Aruba client configuration.

Gathering and analyzing security requirements and perform Windows / Unix OS server hardening.

Worked with the IBM STG group to patch / harden Windows / Unix systems – Compliance Auditing

Data Center Relocation – Rack / Stack, H/W and S/W reconfiguration, PCs, Blade Servers, KVM switches.

Senior IP Technician JAN. 2011 – FEB. 2011

Pinnacle IP Solutions (Contract) – Markham, Ont.

Designed and Implemented the Network Infrastructure

Configured Dell Power Edge Servers R610 / R 410.

Created VMs on VMware ESXI / vSphere including Windows Small Business Server 2008

Patched security on Servers / Desktops.

Mail Box / Mail Enabled users using Outlook 2010 and Windows 7

Migrated users to Windows 2008 AD Domain, NAT / DHCP address translation and allocation.

Maintained wireless internet with Dlink, Cisco DSL Modems and Phybridge interface for IP Phones

Technologies / Equipment used: Cisco 837, 2610, Mitel IP Phones, HP 2610 switches, rack mounted servers ( remote administration enabled ), Switches, UPS etc.

Microskills Developed Centre JUN. 2010 – JAN. 2011

Full-Time student (MCSE – Certification / Part-time Instructor )

Currently serving as member of their Technical Advisory Committee

Consultant NOV 2006 - Dec 2010

Contract consulting for major organization on short-term projects, including: Scotia Bank, CIBC INTRIA, Shoppers Drug Mart, BASF - GTA, Ontario

Windows Server 2003 / 2008, Unix installations, applications deployment, MS Office Suite deployment

Databases, Virus products, Firewalls

Installed ISR routers for LAN/WAN implementations and backup solution with dial-in/out Analog modems

Implemented PAT/DHCP address translation and allocation. AD users / groups / Group Policies

Installed and implemented wireless internet with Linksys WRT54 G and other WI-FI Routers

Technologies / Equipment used: Cisco 802, 1700, 2500, 2600, 3600 Routers series

Cisco 2900, 3500, 6500 Catalysts, Dell Blade Servers, Windows Server AD / GPO, VMware, VPN

Routing Protocols ( EIGRP, OSPF ), Load Balancing methods, Security Solutions / Appliances.

Access Control Specialist APR 2005 - OCT 2006

HP Canada for Credit Suisse Bank (Permanent) – Toronto, Ontario.

Assigned security permissions in Windows Server 2003 Active Directory and Unix systems administration

Created users/deletions/change permissions and assigned group policies

Used Remedy to track and or solve client problems

Monitored Networks with HP Node manager and HP ArcSight logger entries.

Interacted with international clients via phone to troubleshoot access problems and facilitate application requests

Completed HP courses in ITIL (IT Infrastructure Library), customer care, disaster recovery (DR) and others

Met SLAs by attending to escalations promptly. Process System Change requests.

Technologies / Equipment used: HP Servers 2003, Windows Server 2003, Client XP, Active Directory, Remote Access, remote Desktop Remedy, Network management Tools, GAC Explorer, Group Policies, SLA, ITIL, Sun OS, VB Scripting, Project Management, Technical writing.

Consultant Mar.01 – Apr.05

Contract consulting for major organization on short-term projects, including: Scotia Bank, INTRIA, GE Capital, East York General Hospital - GTA, Ontario.

Completed network projects for Unicair Heating and Air-conditioning Ltd. Scarborough and Accutax Inc, North York in the capacity of a private consultant. Planned and designed network infrastructure.

Implemented network solutions to small and medium businesses

Assigned to short-term IT Projects at Scotia Bank, Intria and others, by recruitment agencies

Duties included: Software/Hardware installation and enabling Network connectivity, server setup, installation and configuration/administration of Windows NT / 2000 / 2003 OS

Set up equipment racks, Cisco IOS updates, designed CCIE lab scenarios

Technologies / Equipment used: Cisco 802, 1700, 2500, 2600, 3600 Routers series, 3550 catalyst switches, Active Directory, MS Small Business servers, Windows NT / 2000 / 2003 / XP, SLA, Security Appliances.

Customer Support Engineer Dec. 99-Apr. 01

Data Processing Sciences Corp, Michigan

A leading Network integrator in Mid-Western States, USA

Implemented and maintained Enterprise level multi-vendor Data/Voice Networks

Connectivity utilizing DS0, T1, Frame-Relay, ISDN, PPP solutions

Installed, maintained and troubleshoot Networks (Voice/Data) multi-vendor equipment mainly Cisco Routers and Switches.

Configured / implemented Cisco PIX to PIX VPN between HQ and Branch Offices, Remote Access, Fail-over and NAT / DMZ

Checkpoint firewalls implementation; created firewall policies, Access-Lists (ACL), tested connectivity.

Network management and performance monitoring using Cisco Works 2000

Worked with long distance telecommunications’ carriers: AT&T, MCI and BELL, Provisioning T1, Frame relay and ISDN circuits for customers throughout Michigan and South Western Ontario

Installed and implemented Windows/SQL servers and client workstations

Implemented Citrix Thin Client solutions for centralized application access on Windows Server farm and configured load balancing.

Technologies / Equipment used: Cisco 802, 1700, 2500, 2600, 3600 Routers series, 3550 catalyst switches, QOS, Project Management, Unix, Check Point, Pix FW, VPN, IPSec, Remote Access, Windows 2000 / NT, IDS, network Sniffers.

Implementation Engineer - Blue Cross / Blue Shield, Michigan Jan. 99 - Sept. 99

EDUCATION AND CERTIFICATIONS :

CCDP ( Designing Cisco Network Service Architectures) - 2020

SCP _ Solarwinds Certified Professional

Certified Wireless Network Administrator (CWNA) - 2011

CCIE (theory), CCNP (Cisco), CCNA ( 2017-recertified )

CNE (Novell), A+ (2004), CCNA ( R&S ), CCNA (Voice) (2011), CCNA Data Center, CCNA Security

Microsoft Certified System Administrator (MCSA) / MCSE - 2010

Cisco Firewall Specialist (CSPFA / SECUR Exams) - 2004

Cisco UCS, Citrix Meta Frame

Telecommunications Technology, Diploma – 3 year University Program.

Scrum Fundamentals Certified - 2020

Open University Courses :

Cloud Engineering with Google Cloud ( completed 5 courses - coursera )

Palo Alto Networks Academy Cybersecurity Foundation Completed.

Software Defined Networking SDN ( Princeton University )( In progress) - 2015

An Introduction to Interactive Programming in Python (Part 1)

Rice University

Project Management: The Basics for Success

University of California, Irvine

Cybersecurity and Its Ten Domains, Internet History, Technology and Security

University System of Georgia University of Michigan

Data Science Fundamentals. - Coursera . UC San Diego.

PROFESSIONAL AFFILIATIONS

CTech - Member of Ontario Association of Certified Technicians and Technologists (OACETT)

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