Daniel Destefano Email & Phone Number

Tappan, NY, US

Freelance trainer delivering Microsoft Official Course materials on the Windows Server 2008 and Exchange Server 2007 MCTS/MCITP tracks.

Paris, FR

O365 Migration (Americas region) Adapt architecture, processes, documentation, and procedures from Paris HQ region Adapt, document, and deploy Exchange Edge servers in DMZo Create requests to open network firewall/proxy rules for routingo Create custom transport rules and connectors to segregate routing for Americas Plan, prestage, complete, and.

New York, NY, US

Lead Exchange engineer for Columbia University Information Technology Responsible for architecting and managing Exchange and messaging infrastructure Planning, architecture, documentation, and deployment of new Exchange 2016 organization in new AD forest AD forest/Exchange organization migration:o Planning and implementation of Quest Migration Manager.

London, GB

Provided managed messaging services for clients ranging from 1 – 12,000 mailboxes Lead engineer responsible for onboarding of most new clients Lead several Exchange projects including Exchange 2013 migrations, datacenter migrations, Exchange 2013 specialized journaling recipient organization, etc. Managed many disparate products and technologies for.

Newark, NJ, US

Network review and assessment of all systems including Active Directory, Exchange, storage, data protection, virtualization, enterprise storage consolidation, etc.Planned and began implementation of the following projects: Active Directory redesign and reorganization, including:o New OU and GPO strategy and structureo New Group structure and permissioning.

New York, NY, US

 Increased Exchange service uptime to %99%, then further enhanced server uptime to 99.99% with migration to Exchange 2010 Reduced costs and complexity by migrating Exchange storage from SAN to DAS Implemented hybrid of physical and virtual servers Developed multiple PowerShell scripts Message journaling and mailbox archiving using Enterprise Vault IM.

Messaging projects: Exchange 2007 redesign and build-out for migration from Lotus Domino Design and document highly-available Exchange 2007 environment using CCR, SCR, tape backup Capacity planning and stress testing for 5000+ mailbox organization Global deployment including multiple sites in each of U.S., EU, APAC Designed and implemented tiered.

US

Architecting final stages of Exchange 2007 transition: Create new send and receive connectors for load-balanced external mail routing to interface with Postini Email Security Service using private DNS method Cutover from Exchange 2003 SMTP connectors to Exchange 2007 send and receive connectors Create new receive connectors to allow SMTP private relay.

- Managed Solution Provider for multiple clients in disparate industries including: Electronics Manufacturing, Home Health Services, Insurance Agencies, Building Supply, Not-For-Profit, Non-Destructive Testing and Industrial Imaging, Building and HVAC ContractingDesigned, planned and implemented end-to-end systems and network infrastructures including.

US

Responsibilities included:- Planned and implemented project to reorganize and redistribute network services by repurposing 80% of existing LAN servers including:- Increasing network printer availability from ~60% to ~99% by migrating printers to MSCS cluster- Planning and implementing Exchange server migration to MSCS cluster- Redistributing domain.

 User support and training for Windows 95 - XP and MacOS 8.6 - X 10.2 Network administration, design, troubleshooting, maintenance, implementation and organization Directly advising V.P. of Technological Services and upper management Administration of messaging systems: Exchange 5.5 and Openwave Post Office Administration of backup strategy using.