MARK P. CALIXTERIO

416-***-**** *** ** Town Centre Court Toronto, ON M1P 0B4 acda90@r.postjobfree.com

CAREER ACCOMPLISHMENTS

Virtualized and migrated production environment to Q9 datacentre

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Completed infrastructure hardware refresh and portal website update to Oracle Weblogic 11g for www.OntarioMD.ca

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Implementation of NAS cluster for high traffic webserver farm

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Successful mitigation of multiple power outages to ensure data centre uptime.

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Led operations for Digital Media group responsible for foodtv.ca, showcase.ca, hgtv.ca, slice.ca and history.ca

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Technical lead in the converging of CTV, The Globe and Mail and Sympatico internet properties

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Planned and implemented 6 data centre relocation projects

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Facilitated multiple re-launches of the TSN.ca website ( www.tsn.ca) and migration from MSSQL to Oracle

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Managed junior systems administrators

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Sustained website response times during planned\unplanned traffic spikes, i.e. NHL Trade deadline, breaking news

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Virtualized Staging and Development into a VMware HA cluster

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SYSTEMS EXPERTISE

Server 2003/2008/2012

Microsoft Storage Server R2

VMware HA, ESXi, XenServer

MSSQL, Oracle, MySQL, PICK

Microsoft Clustering

Veritas Backup Exec

IIS, CFMX, Apache, WMS, Real

F5, CSS11503,WSD Pro

Solaris, SuSE, AIX, Redhat

Exchange 2003-2010, OWA

GSA 1001, Thunderstone

ASA5510,Catalyst6509,Juniper

EMC, IBM FAStT, HP Storage

EMC VisualSRM, MRTG

.NET, ASP, VBS, JS, CFML

HP,DELL,IBM Servers\Blades

Nagios, IPsentry, WhatsUp

COM/COM+, XML

Team Foundation Server, VSS

MOM(SCOM), Big Brother,

Octopus/Replistor, Webtrends

Solarwinds

PROFESSIONAL BACKGROUND

WebtechWireless, Network Operations Engineer March 2012 – July 2013

Manage map, gateway, messaging, database, application servers and network infrastructure

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Perform application deployments

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Implemented customized customer enterprise system solution

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Provide level 2 application support

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OntarioMD, Systems Administrator December 2009 – March 2012

Manage servers, firewall, switches, loadbalancers and application deployments for provincial physician portal

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Provided 2nd Level support for Website Portal issues

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Performed Oracle WebLogic Server 11g administration

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Alliance Atlantis\Canwest, Senior Systems Analyst March 2006 – December 2009

Deploy updates for internal business applications and services

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Publish web systems statistics & proactively monitor Digital Media system infrastructure with MOM(SCOM).

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Ensure IT systems infrastructure meets corporate standards and comply with best practices.

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Bowdens Media Monitoring Ltd, Senior Systems Administrator January 2004 – March 2006

Technical Lead for Print Monitoring Application Farm

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Technical support for remote monitoring branches – Canada wide

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User management for AIX custom legacy application

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Netstar Interactive\CTV Interactive\Bell Globemedia Interactive\The Globe and Mail December 1997–May

2003

Sr. Systems Administrator

Managed server farm, load balancer, video streaming and maintained website traffic reports

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Maintained news feeds from CTV, Discovery Channel and TSN to The Globe and Mail

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Administered LAN and provided desktop support for web producers and developers

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EDUCATION

Network Specialist Diploma, CDI College of Business and Technology, Toronto, Ontario, 1997

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Computer Programming and Analysis, Seneca College of Applied Arts & Technology, Toronto, Ontario, 1996

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