Robert Peralta Email & Phone Number

Wilmington, De, Us

Charlotte, Nc, Us

DB2, IMS, CICS and z/OS performance reporting and analysis. SAS, MXG, MICS and SMF. Splunk graphical analysis and reporting.

New York, Ny, Us

Infrastructure Developer z/OS System Performance at JPMorgan Chase & Co.Installation and support ISV software.System performance on-call support.Collect performance data for before/after analysis.Drive problem diagnostics and resolution of performance issues.Create and present report performance metrics with recommendations for best in class solutions.Monitor system and application performance as well as manage risk to environment.Recommend system tuning opportunities.SAS, MXG and MICS.Install and maintain WLM, Thruput Manager, batch Optimizer and Strobe.Tuning experience DB2 IMS CICS WebSphere and MQ.Setup LPAR capacity definitions, soft capping and absolute capping.

New York, Ny, Us

Z/os systems performance on the mainframe and web related performance using HP LoadRunner. CICS, IMS and DB2 performance analysis and capacity planning.Verify impact of any Infrastructure changes (Maintenance Releases, H/W, OS upgrades etc,) and under production like workloads. Find processing ceilings (e.g. maximum transactions per second, concurrent users etc.) to prepare organization for high volume card transaction days (like Black Friday, holiday season) or mergers. Develop automated scripts using LoadRunner based on business use cases for the application. Design scenario in LoadRunner to evaluate the performance of the application.Execute different kinds of performance tests like Load test, stress, volume and endurance tests. Analyze the results using LoadRunner.Monitor application and web server metrics using CA Wily Interscope, BMC Mainview and Prognosis tools.

Wilmington, De, Us

Responsible for system/software support. Primary support for MVS, JES2, VTAM/TCPIP as well as all systems performance monitoring. Provide CICS system support where required. Make recommendations for CPU upgrades and provide reporting for management. Heavy troubleshooting and problem diagnostics skills, go-to guy for complex systems problems from all areas of our section concerning MVS including performance as well as problems within DB2, IMS and CICS areas. Heavy system automation skills providing support for all areas especially data center. Member of our systems performance team and recognized by our CEO for implementation of performance enhancements. Configured, implemented and tuned our SYSPLEX environment. Strong knowledge on all BMC MAINVIEW monitoring platforms for mainframe products including installation and customization, Auto Operator, MV Z/OS, MV/ IMS, MV/ DB2, MV/CICS, SYSPROG Services, Storage components. Strong REXX skills for automation. Developed, tested and debugged complex Z/OS assembler exits for job accounting process and region assignment. Primary administrative and installation support for Unix Solaris environments. Implemented WLM and goal mode for the business. Migrated SNA to VIPA. Installed and supported TCP/IP, including SMTP, FTP and TELNET. Installed and customized Z/OS operating system across multi LPAR environment.

Wilmington, De, Us

Responsible for support of twenty CICS regions running multiple releases. Project lead for two conversion efforts from CICS 2.1 to 3.3 and CICS 3.3 to CICS/TS. Implemented MRO configuration within a SYSPLEX. Strong APPC, FEPI and command level CICS coding skills. Implemented Intersystem Communications between CICS and IMS and DB2. Installation and support for BMC MAINVIEW products suite. Assist developers with their cobol and assembler program development and tuning and debugging efforts. Performance analysis and capacity planning for CICS. RDO for installing new functions and CICS and GTF trace to assist developers.

Responsible for system and application support for fifteen CICS regions. Maintenance and support for third party software products. Installation and support with problem resolution for SAP software running in CICS. Installed BMC MAINVIEW monitoring product suite. Developed assembler module to read LISTCAT output and dynamically initiate VSAM reorganization jobs via calling our scheduling component exits. Wrote a CICS JES spool exit for volume printing from within our SAP software running under CICS. Responsible for performance monitoring for all regions. Developed cobol and assembler applications for batch and online IMS DB/DC and CICS.

Various application development assignments using Assembler and COBOL. Wrote over sixty CICS online programs from scratch to support multiple new CICS based systems. Supported accounts receivable, emergency road service and accounts payable systems.

Bachelor Of Science, Administration And Management, General

Computer Information Systems

High School, College/University Preparatory And Advanced High School/Secondary Diploma Program

High School, International School College Prep

Education record