Thomas Leichenauer Email & Phone Number

Maintenance and enhancement of proprietary payroll software for an airline and financial clients. Upgrading and enhancement of proprietary financial software for various institutions. Documenting and tracking of project tasks to achieve client goals. Modification and redesign of commercial applications. Training of personnel from various groups. On-call.

Bentonville, Arkansas, US

Conversion and modification of point-of-sale (POS) systems to provide extended capabilities and capacities for a very large retail company. Application internationalization, problem analysis and diagnosis. Conversion and redesign of legacy application systems to comply with client requirements.

Indianapolis, IN, US

Embedded SQL programming and Unix shell scripting. Conversion and modification of software programs, scripts and database tables for a state healthcare contract. Troubleshooting and correction of project applications and database redesign.

Bentonville, Arkansas, US

Analysis and maintenance of financial entries regarding accounting categories and financial balance of stores for a large international retail firm. Troubleshooting of business application code. Maintained and supported database tables, entries and scripts as required for production support of point-of-sale (POS) systems. Extensive client contact and.

Bethesda, MD, US

• In support of Instrument Flight Procedures Automation (IFPA) group, assisted in determining system problems. Provided and evaluated recommended changes. Developed Data System Change Proposals (DSCP) from Technical.
• Create and/or update IFPA User's Manuals to provide instruction to the end user.

Responsible for the installation, configuration and testing of MQSeries and various vendor products on z/OS, HP-UX, Linux and Windows systems. Provided technical support to customer groups in the design, deployment, troubleshooting and support of middleware applications. Monitoring and servicing of various application queues for various software systems to.

Responsible for the installation, upgrade, and configuration of Websphere MQ product on z/OS, AIX, HP-UX, Linux and Windows systems. Monitored various queues, queue managers and other subsystems to assure high availability for feeds of various customer data. Unit testing and integration. Analysis and performance tuning. Design and development of.

Washington, DC, US

Configured and implemented MQSeries publish/subscribe applications in customer development, certification and production environments. Developed architectural specifications for Websphere MQ in a clustered Websphere Application Server (WAS) environment. Submission and monitoring of trouble tickets to vendors. Troubleshooting of production applications..

Provided administration, support, monitoring and configuration of MQSeries on over 600 systems of various platforms throughout North America. Redesigned and implemented employee time-clock system using TCP/IP (sockets), MQSeries and IMS to provide GMT orientation and usage across all U.S. time zones. Enhanced middleware multi-threaded encapsulation.

Research of middleware suitability to provide project requirements. Development, troubleshooting, and maintenance of two-tier and three-tier multi-threaded client/server applications. Architectural design and development of middleware encapsulation routines for multiple protocols and platforms. Developed multi-threaded APIs to provide customer performance.

Arlington, VA, US

Design, development, and maintenance of real-time digital signal processing simulation applications for the US military. System generation and performance tuning on various scale midrange systems in both standalone and networking environments. Low-level and device driver performance tuning. Troubleshooting and resolution of operating system, compiler, and.