July 1986 - November 1986
Supported the accounts receivable, customer loyalty systems and billing systems, by providing for database design, computer programming under a legacy mainframe system with a MVS operating system. Created data models and normalized data using the Ganes and Sarson design methodologies.
December 1987 - March 1988
Designed and wrote over 30 programs using CICS and IMS/DB (DL/1). Responsible for the team leadership of the Metered pricing sub-system. Created on-line database functions with program-to-program switching to supply the core data used in billing and invoicing. Assisted staff personnel and other consultants in design methodologies, quality assurance and project administration.
August 1988 - June 1989
Provided the analysis, design and implementation of a long distance pricing and taxing system. Responsible for user requirements, system definition, and producing an information reporting system using Cobol and IMS. Designed and created production job streams and run book documentatio
January 1990 - February 1991
Was responsible for designing, programming and implementing customer service applications using Cobol II, CICS, DB2/SQL, QMF and PROEDIT. Performed maintenance, design and implementation of an employee assignment system. Served as analyst in the design and implementation of a flexible client revenue assignment system. Obtained user requirements and provided change control for PREFERENCE and PHOENIX user training facilities.
July 1993 - April 1994
Was responsible for designing, developing and implementing a customer loyalty system using Cobol II, CICS and DB2. Applications included international addressing, on-line customer service, mainframe reporting to E-mail and customer retention.
January 2002 – April 2002
Provides System Analysis support when MCI was merging with WorldCom.