MICROSOFT SYSTEMS AND INFRASTRUCTURE ADMINISTRATOR

Systems Administrator with 15 years of experience managing Microsoft servers, Microsoft and COTS applications. Best known for the design, installation, maintenance and documentation of a multi-data center, HA Exchange 2010 environment, consolidating 4 separate business units under a single messaging system. Consistently recognized for a dogged determination to find the squeaky toy , the hidden issue underlying the most complex troubleshooting solutions.

TECHNICAL SUMMARY

• Operating Systems Microsoft Windows Server 2003, 2003 R2, 2008, 2008 R2, 2012, Windows 7, Windows XP, ESXi, rudimentary Linux and DOS, all flavors
• Applications Exchange 2010, Exchange 2003, BES 4.x, BES 5.x, 2003 Active Directory, 2008 Active Directory, SharePoint, SQL 2000, SQL 2008, SQL 2012 Express, stand alone and clustering Quest Archive Manager, Symantec Enterprise Vault, Trend Micro, Quest Migration Manager, Microsoft Antigen, Microsoft Office 2003, 2007, 2010 including Outlook, Microsoft Backup, Symantec NetBackup, MXLogic SMTP gateway, Ensim Enterprise, Ensim Unify, Asigra, IIS, XML, Microsoft RDP, Altiris QuickSilver, Remedy
• Scripting VBScript, WMI, Batch, Windows Powershell, Windows clustering, Microsoft ISA
• Networking DNS, DHCP, LDAP, SMTP, TCP/IP, Ethernet, desktop switches and routers
• Exchange Specific OWA, RPC/HTTP, SSL, DAG, Mailbox Databases, EMC/EMS, ECP, CAS, HUB, Transport

PROFESSIONAL EXPERIENCE

Confidential

Application Engineer

• Supported five separate Microsoft Exchange environments, including a Hosted Exchange with over 150 customers and thousands of mailboxes handling over 34 million pieces of email per year. This environment also included BES and SharePoint services in a Hosted configuration
• Designed, built/installed, and documented Exchange 2003 system. Level 3 escalation representative for premier Hong Kong datacenter customer requiring on-site visits with stakeholders, including training of datacenter techs on managing day-to-day activities/issues and maintaining environment documentation
• Designed, installed, maintained and documented a multi-data center, HA Exchange 2010 environment bringing four separate business units under a single messaging system
• Maintained test environments of all Exchange production environments using lab servers running VMWare ESXi and VMWare Server for all patch testing and compliance with Change Control
• Performed monthly Microsoft Security Updates on all five Exchange environments during off-peak periods to guarantee SLA of 99.999 uptime
• Managed and maintained 24/7 Level-3 escalation POC for four multi-server, HA Exchange 2003 environments encompassing over 150 individual Microsoft Servers and handled over 50 million messages per year from over 150 hosted Exchange customers
• Liaised with Microsoft Exchange Engineer ExRAP to anticipate, identify, and troubleshoot any/all issues with new Exchange 2010 environment
• Migrated several hundred mailboxes from Exchange 2003 to Exchange 2010 using both Quest Migration Manager and manual exporting and importing mailboxes between environments
• Monitored system issues and network backups of Exchange 2003 environments and local backups of Exchange 2010 environment using Microsoft SCOMM, as well as email alerts from custom PowerShell scripts

Confidential

Application Engineer

• Supported a highly problematic reverse auction application. Through intense troubleshooting and knowledge of the Microsoft Windows server, I turned an unreliable system into a most reliable one by modifying code identified as being problematic. This required an intense three-day brainstorming/problem solving on-site visit.
• Supported a troublesome document management application. Identified problems with intense troubleshooting and vendor interaction, thereby increasing system reliability
• Maintained the Corporate Webserver and associated applications hosting the company brand and was the front-end portal for all customers
• Worked closely with the Datacenter to maintain and update server equipment, applications and OS, including the monthly Microsoft Security Updates
• Created and maintained documentation for multiple environments
• Maintained 24/7 support through rotational pager duty

Confidential

Enterprise/Infrastructure/Core Engineer, WCTS

• Primary Engineer for several high profile hosted customers in a custom configured environment. Maintained 24/7 support for all escalated issues
• Managed Microsoft Active Directory, deployment of Microsoft and COTS applications, Firewalls, LoadBalancers and VPNs
• Applied monthly Microsoft Security Updates and released hotfixes after thorough lab testing
• On point during Code Red and SQL Slammer attacks on our Farm. Worked on discovery of issue and as a conduit for executives and customers during conference calls
• Supported customers migrating from NT4.0 to Windows 2000 servers
• Created events on the Altiris QuickSilver server and modified VBasic scripts for proper deployment
• Technical liaison for Project Hurricane where certain high profile/sensitive customers were migrated to a newly purchased subsidiary, Digex. Worked closely with Digex engineers to ensure smooth and painless migrations of these customers

Confidential

Level 1, Level 2, Level 3 Hosting support Engineer, WCTS

• Front-line support engineer for customers, collocated and hosted, running Windows, Solaris and Unix servers
• Maintained expert knowledge of all hosted and collocated offerings at UUNET/Worldcom
• Maintained a formal mentoring program for Level 1 and Level 2 support engineers
• Supported 24/7 call center solving and diffusing potentially volatile situations involving customer equipment/websites. Required an understanding of basic scripting, HTML, and Database connection strings
• Regularly received recognition for exemplary customer servic