Oversee 4 accounts. Create solutions for new project and supervise ongoing work.- Designed and implemented solution for customer’s DMZ network that extended VLANs and moved redundant servers to disaster recovery (DR) location, minimizing potential loss of connectivity.- Worked independently on business case for centralizing and visualizing customer’s servers in 2 data centers, using PureFlex for redundancy and DR purposes, proposing potential savings of $1.2M on hardware, licenses… Show more Oversee 4 accounts. Create solutions for new project and supervise ongoing work.- Designed and implemented solution for customer’s DMZ network that extended VLANs and moved redundant servers to disaster recovery (DR) location, minimizing potential loss of connectivity.- Worked independently on business case for centralizing and visualizing customer’s servers in 2 data centers, using PureFlex for redundancy and DR purposes, proposing potential savings of $1.2M on hardware, licenses, energy, network, and full-time equivalent (FTE) costs.- Migrated 100 AIX servers from P5 / P6 frames to P7 frames, using PowerVM, and upgraded SAP application and Oracle DB to ECC6 and Oracle 11, reducing customer cost for raised floor.- Replaced existing IBM Service Desk tool with eHD Celestica’s ticketing tool, saving cost for customer by switching to internal tool.- Migrated network infrastructure from Cisco to Nexus switches for 200 AIX, Linux, and Windows servers, increasing bandwidth to ease data transfer between servers.- Collaborated with application team on SoftLayer project; assigned portal and servers to customers for updating and migrating applications. - Completed migration, updates, and testing on SoftLayer environment without impacting production. Show less

Led and mentored team of 5 people. Liaised between support and application teams. Provided second-level support for primary support teams. Served as AIX administrator for multiple customers (Celestica, TD Canada Trust, Scotia Bank, Aluma and Nissan, Bell). Administrated Tivoli Storage Management (TSM) server and clients for Bell and Nissan customers and EMC storage for Celestica account.- Migrated 89 servers across Canada (Micro Channel to PCI; AIX3.X to AIX 4.21), introducing faster and… Show more Led and mentored team of 5 people. Liaised between support and application teams. Provided second-level support for primary support teams. Served as AIX administrator for multiple customers (Celestica, TD Canada Trust, Scotia Bank, Aluma and Nissan, Bell). Administrated Tivoli Storage Management (TSM) server and clients for Bell and Nissan customers and EMC storage for Celestica account.- Migrated 89 servers across Canada (Micro Channel to PCI; AIX3.X to AIX 4.21), introducing faster and better hardware and operating systems.- Delivered complex project, migrating and rehosting 168 AIX servers (RS/6000 frames to IBM p5 550, 570; AIX4.33 and AIX 5.1 OS to AIX 5.3), upgrading / installing new applications and database. - Met project requirements by performing in-depth troubleshooting, identifying solutions for minimizing effects of ‘unfixable’ issues.- Installed IBM HACMP high-availability software on main production servers, ensuring continuity of applications and Oracle database.- Reduced costs associated with remote locations by reintegrating 98 EMEA-Italy servers into existing Canadian servers.- Migrated disks for 99 servers (EMC Symetrix to HP XP12000), reducing cost for Celestica customer by using HP XP12000 storage.- Collaborated with multiple teams on preparation and execution of SAP XI DR project, serving as lead UNIX subject matter expert (SME). - Built new servers on 2 DR locations and created documentation for testing purposes and actual disasters, ensuring continuity of customer business and fast, secure failover from production to DR sites. Show less