full life cycle application development. I have developed many complex client/server systems over the years. First in ALC on mainframes, then in C on various servers, and now Java and others

I am a Senior Software Engineer with 35+ years experience full time and the last 12 years part time. After retiring from full-time work, I have worked in Web technologies for last several years in my Home Office Lab and on Short Term Contracts. I have worked in full life cycle application development. I have developed many complex client/server systems over the years. First in ALC on mainframes, then in C on various servers, and now Java and others. Active Clients Schatte ConsultingPrevious Clients Texas 4000 For Cancer Verizon Business Investwell Xtria Peregrine Systems Harbinger Harbinger

Developed and ported major components of Harbinger's Trusted Link Enterprise (TLE) System contained in the TLE release 4.1 and 4.2 Product. This included the development a common source base for all UNIX (AIX, HP-UX, and Solaris) and NT platforms. Protocols included Async, Bisync, SNA, MQSeries, TCP/IP, and custom interfaces.

Semiconductor Group & International - Open Systems Infrastructure Operations & Support - Jan 97 - Jan 95Performance Analysis of TI's Semiconductor Factory WORKS and DSMS (CIM) client-server applications implemented in VisualWorks SmallTalk (GUI) and GemStone Database (OODMS) and being deployed on SUN servers in SC TI semiconductor plants (FABs) worldwide. Developed C program models of WORKS and DR applications used to isolate performance problems in both GemStone OODBMS and SUN Solaris.Enterprise System Division - Procurement and EDI Systems - Dec 94 - Jun 93Assisted with design and development of TI's initial UNIX Electronic Data Interchange (EDI) product. Developed major components of UNIX EDI Communications Gateway and supported implementation of UNIX EDI Management System (IEF ORACLE Application). Assisted with the development and implementation of the PEER1 Express Buy ORACLE Application using the Composer 3 Client/Server Architecture. Developed Composer 3 development environment extensions (BIT and Server Diagram Trace) which greatly reduced Composer 3 Application development cycle time. TI Software - IEF Development - May 93 - Dec 87Completed Beta support tasks related to delivery of IEF 5.1 UNIX Target products to Road and Traffic Authority in Sydney, Australia and to the US Army HOMES project in Washington, D.C. Received corporate level recognition (second time), Senior Member of Technical Staff, for success of RTA Project.Designed and developed major IEF Application Execution Facility (AEF or IEFAE) extensions which allow IEF built applications to execute in high volume UNIX environments. These extensions included the AEF Async Daemon (AEFAD) Product.Developed and documented the initial approach to an IEF UNIX ORACLE Target implementation. Designed and developed the interactive IEFAE which allows IEF Application Execution in the native UNIX interactive environment.

Research and development environment utilizing microcomputers to build SNA and TCP/IP connections between IBM mainframes and various other micro and mini computer systems connected via an Ethernet LAN. Duties involved design and development of major components and user interfaces in each of Mitek's SNA Network Server products.Ported CSI's SNA 3270 and 3770 emulation packages written in "C" language to SUN, APOLLO, and other workstations running UNIX (V and BSD 4.2). Designed and developed Application Program Interfaces (API) to these emulation packages. Coded interfaces using BSD 4.2 sockets and TCP/IP protocols on the Ethernet LAN. Designed and helped develop the MVS/TSO implementation for the TCP/IP FTP and TELNET Client protocols which provide TCP/IP functions across the SNA network. Was involved in the design and development of the VM/CMS implementation of these products.

Organized, managed, and performed detail tasks during EXPEC geoscience center startup including installation of new MVS base and migration of large group of scientific users from an existing EDP center. System was operational less than 2 weeks after hardware was installed.Helped establish MVS/TSO system tuning and performance measurement methodology. Used techniques to solve initial performance problems. Later developed a workload management strategy. Implementation of the strategy proved to be highly successful. Participated in the annual workload management/capacity planning cycle.Participated in Model 204 relational DBMS analysis, evaluation, and documentation as member of the Model 204 Pilot Project. Provided Model 204 consulting during implementation phases. Group leader of MVS/TP group which successfully stabilized MVS while migrating from 3350 to 3380 DASD, updated the MVS service level, and installed new functions. Project leader for initial implementation of VM/CMS.Project leader for handling special system requirements of Reservoir Modeling and Seismic Processing applications. Planned and coordinated the installation of seismic graphics display system called CRYSTAL. Provided innovative solutions to large memory requirements of reservoir models like ALPURS. Developed special software to read old one inch seismic field tapes and copy to modern half inch tapes. Assisted IBM with hardware/software fault analysis in the 3838 array processors and 7350 Advanced Image Processing System (AIPS).Helped develop the installation plan and strategy for MVS/XA and IBM 3090 mainframe.

Information Services - Manager, IBM Operating System Development and Planning - Jul 81 - May 78Supervised 5 senior systems specialists and programmers who evaluated, installed, tested, maintained, and modified MVS and JES3 and developed major subsystems to support bulk data transfer, remote job entry, and network job entry for nodes in the TI computer network.Was project leader for the conversion of the Dallas Center (6 - 3033s) from MVS 3.7 and JES3 2.1 to MVS 3.8 and JES3 3.0. This involved a matrix organization using resources (15 people) from development, support, operations, and production scheduling organizations. Had responsibility for system build, TI modification conversion and integration via SMP4, integration testing, system testing on production configuration, and quality assurance.Was project leader for the development of the BDT system. This involved a matrix organization using resources (10 people) from two development groups. BDT/370 was developed for IBM nodes and BDT/990 was developed for TI nodes. Was designer/architect of the overall BDT system. General and detail designer of BDT/370. Designed and personally helped develop the BSC multi-leaving link and SNA full-duplex session protocols used for communication between nodes. The BDT/370 system was purchased by IBM and was released as a program product called MVS/BDT. Received corporate level recognition, Senior Member of Technical Staff, for development of BDT system.Information Services - Senior Technical Specialist - May 78 - Jul 74Contributed to the conversion of the Dallas Center (multiple CPUs, 150 RJES, etc.) from SVS and ASP3 to MVS and JES3. Converted and enhanced TI's RJE package (SIO) and other modifications. Made major performance modifications to JES3 output service which helped permit conversion after two failed attempts. Converted TI's RJE and NJE packages and developed a major modification to ASP3 output service for simultaneous output (SO).

Hardware/software environment included two IBM S/370 Model 165s running MVT, ASP3, IMS, TSO, and QTAM Data Collection System with a total network of 256+ ports.Designed and developed major modifications to ASP3 for improved core management within ASP3 and a multi-media output processor (MOPS) which supported any ASP or OS dataset (disk or tape) as input printer and printer or microfiche as output.Wrote hardware/software evaluation report on communications front-end processors (270X replacements). Evaluated IBM's 3705 emulator program versus CCI's CC-70 emulator program.Project leader (shared) for installation and implementation of triplex of CC-70 Communications Processors supporting the entire network. Provided ongoing support after installation.Designed and developed major modifications to CCI's 270X emulator program for port sharing and switching between IMS, TSO, and ATS across multiple hosts. Also developed virtual multiplexor support allowing more than 256 ports with just one real multiplexor channel.Designed and developed a terminal independent programming package (TIP) for use by IMS transaction programs. This package preceded, but was comparable to, IBM's IMS Message Format Service. (MFS).Designed and developed a batch terminal simulator package used to test IMS transaction programs in a batch environment. This package preceded, but was comparable to, IBM's BTS.Developed some software components of UCC's IMS Data Dictionary package (UCC TEN) which preceded, but is comparable to, IBM's version.Helped install, test, maintain, and support MVT and ASP3 on the duplex configuration.Helped convert LTV's modifications from ASP2 to ASP3.

Omnis and ISA were software companies developing and/or acquiring systems/applications software for the insurance industry.Provided product planning, marketing support, system installation, and enhancement development for a software product called On-line Platform Extension (OPLEX). ISA purchased OPLEX (including people) from Omnis.Designer/architect and project leader for the development of OPLEX. OPLEX was a highly sophisticated on-line system and at the time was comparable to IBM's CICS and IMS/DC and to other packages like INTERCOM and ENVIRON/I. OPLEX ran several years as a high volume OLTP for Mutual of Omaha.

Helped install, test, maintain, and support OS/MVT and ASP2 on a triplex of IBM's S/360 Model 65s.Designed and developed an RJE package for ASP2 to support IBM 2780 hardware and S/360 Model 20 and 30 programmable terminals using BSC communications technique. This software included the ASP2 modifications and the workstation packages and a multi-leaving protocol for the programmable terminals.

Designed an interface into ASP2 for an RJE package (called SIO) to support S/360 Model 20s operating in multi-leaving mode using the STR communications technique. This package was developed jointly by IBM and TI.

Helped install, test, maintain, and support OS/PCP and ASP1 on a duplex IBM S/360 Model 75 and Model 50.Designed and developed RJE workstation packages for IBM S/360 Model 20s and 30s emulating IBM 1978 hardware terminals using the STR communications technique. These packages were built on IBM's early S/360 software systems of BPS and DOS.Helped install and maintain IBM's Remote Access Computing System (RACS). Developed batch programs written in FORTRAN and COBOL for scientific and commercial applications.