Managed the 2nd shift computer operations data center for the New York and American Stock Exchange with a staff of 15 operators. The Data Center consisted of 40 applications running on over 200 servers at three locations.Led migration effort of five key trading applications from HPUX and Sun Solaris to Linux to provide increased throughput and improved reliability. Managed the project to switch eight Market Data applications to run primary at the New York office instead of from the Brooklyn location. Worked closely with operations, development and communication staffs in verifying the reliability of all hardware and software applications.Responsible for Disaster Recovery procedures and ensuring that all applications can run primary from an alternate site in the event of a hardware or software failure. Managed System Test activities for all Market Data Systems coordinating among Quality Assurance (QA), Development, Communications, and Operations staff to determine test requirements, allocate resources, build and maintain project schedules and provide management status reports. Supervised QA staff of 5 responsible for testing Market Data Systems applications. In addition to assigning projects/tasks and monitoring the progress toward completion, responsibilities also included training and career growth management. Coordinated System Test activities for testing new and upgraded Market Data Systems applications. Activities included maintaining project schedules, chairing project meetings, and providing status reports to management.Responsible for testing and final certification of decimalization of all market data systems. Successful implementation prior to industry deadline.Successfully led Y2K Certification & Compliance project team for all Market Data Systems.Tested over 100 releases for the AMEX Market Data Equity and Options trading applications. Performed all regression testing, failure analysis, problem tracking, and documentation.