Extensive Knowledge in Mainframes.
Strong managerial and organizational skills to identify Priorities while multi-tasking and flexible in the performance of the job responsibilities.
Developed an in-depth understanding of assigned products and the associated technologies and ensure that is maintained & extended to the team throughout the product cycle.
Performs analysis of business models, logical specifications and/or user requirements to design solutions. Responsible for the application development as well as the application environment
Ability to translate and communicate highly technical concepts, information, plans, and procedures to both highly technical personnel and non-IT business users.
Collaborate with other domain architects, system design engineers, and infrastructure team on project deliverables.
Operating Systems: Z/OS, MVS, VSE/ESA, VM, UNIX, Windows XP/NT, 2000, XP, OS400
Languages: COBOL 370, COBOL II, AS400 COBOL/RPG, PL/1 EZTRIEVE, JCL, ASSEMBLER, SAS, DYL280.
Databases: DB2, IMS, IDMS, SUPRA, TOTAL
Hardware: OS/390 MVS, RS6000, AS400.
Tools: CICS, CICS utilities, ISPF, JES2, LES3, PL/SQL Platinum, VSAM, VTAM, SMP/E, IDCAMS, SPUFI, QMF, BMS, MQ series, INTERTEST, EXPEDITOR, ZEKE, CA7, ESP, FILEAID, FILEMANAGER, DUMPMASTER LIBRARIAN, CHANGEMAN, ENDEAVOR, PANVALET, ICCF, DL/I, FTP, NDM, SSH, XML, EDI, RACF, ACF2, CECI, EDF, ROSCO, OMEGAMON, SYSVIEW, STROBE, CA VIEW, BMC MAINVIEW, SYSVIEW/LOAD, PEREGRINE(service center), REMEDY(ticketing), REXX, IEBGENER, IEFBR14, Clarity, LOTUS Notes, Quality Center, QTP, Dimensions, Stored Procedure, SDSF, ICE, SYNCSORT.
Anixter International (Glenview, Il) Aug. 2017 – Present
Project consists of backend Mainframe frontend JAVA, currently modifying COBOL DB2/IMS CICS online programs for order entry and warehousing utilizing XPEDITER validating logic flow and data area passing through COMMAREA of CICS transaction within each program, Conducting online support on rotating shift addressing all user and technical issues as they arise by logging into CA scheduler and monitoring ABEND return codes based on user request and concerns.
Provide general DASD storage support for clients for data and volume recovery, Validated the day to day activities in both new mainframe (compute and storage) as well as distributed storage build/refresh and run/operations, participate in Disaster Recovery Tests for Capacity Planning: validating SMF type records for statistical system resource reporting.
Worked with system programmer to install IBM and third-party software using SMP/E and non-SMP/E such as RACF and XPEDITER, utilized IBM Studio and SQL server running quires to validate data on DB2 tables for CORE testing screens, creating Excel sheet to identify invalid data, logging into JIRA to address tickets issued by users for defects and conducting defect resolution.
Worked with technical team utilizing BMC MAINVIEW Console Management monitoring I/O thresholds and system utilization on operation’s pick time, created improvement document to be evaluated for system integrity and problem solving.
Environment: Z/OS, TSO/ISPF, JCL, COBOL II, DB2, IMS, VSAM, CICS, JES2, SDSF, DASD8700 IBM Systems Storage, BMC, XPEDITER, SCLM(source lib), IBM Studio.
Mainframe Contractor Feb 2016 - Aug 2017
Participated in Exelon PASSPORT project in SYSPLEX environment utilizing SCLM created packages modified COBOL DB2/IMS batch and online CICS programs to incorporate catalog id across Midwest and Mid-Atlantic nuclear power plants for VENTYX panels (Screens).
Utilized SMF to monitor CICS performance degradation, collecting data on Real storage utilization, Paging activity, Data buffer utilization and Channel utilization to reveal bottlenecks where response times are too high by modifying system library Parameters.
Worked as system programmer to migrate SCLM to Changeman incorporating required libraries and PROCS, validated compile options for both DB2 and CICS required components, modified and batch IMS JCL runs by incorporating BMP for DBRC PROC and application definition MACROS for PSB handling for IMS control regions.
Validated user profiles utilizing RACF to verify authority access, privileges and restrictions to datasets including TSO information such as JOBCLASS/MSGCLASS. Used LISTDDS to check protected fully qualified protected datasets validating or change UNIVESAL ACCESS (UACC) and apply WARNING when access is insufficient
Utilized OMEGAMON, SYSVIEW and NETVIEW to monitor resource allocation, DB2 resource thresholds and main memory usage on pick time process by creating Excel file to be evaluated by system administration team.
Utilize DB2 performance tool like BMC MAINVIEW to monitor treading and table space thresholds created report for evaluation by DBA. Worked with system programmer on 3270 configuration for web browser IP network, validated 3270 buffer and conversion for ASCII to EBCDIC to make sure VTAM LU,s with other SNA applications.
Environment: COBOL, JCL, CICS, DB2, IMS, VSAM KSDS, ESP, SCLM, CHANGEMAN, OMEGAMON, SPUFI, QMF, FTP, Share Point.
Blue Cross Blue Shield Oct 2014 – Dec 2015
Worked with system programmer to validate RACF user profile for appropriate level of access such as READ, UPDATE and CONTROL to restrict access to program libraries by verifying current user profile is associated with terminal.
Configured DB2 subsystem environments on z/OS (incl. DB2 Data sharing), created DB2 tables and table space on test platform, configured PARMLIB and JES2 customization, validated DB2 tables using SPUFI and PARMLIB members against Production, created test library to run batch jobs using PARMLIB, conducted weekly meeting with system programmers to establish green pass runs to validity for move to production.
Ran SPUFI and SQL queries to validate Customer PO number, Marketing Code for export items for synchronization purposes as user updated DB2 and SQL tables when utilizing Web based Order Entry application, then validated CICS Customer Order screens for PO Numbers and created EXCEL document for validation and submitted to users for sign off.
Modified PROCS to include Stored Procedure libraries when they are called through CLIST process, utilizing IMS DB/DC verify PSB and Programs within each region of IMS when Transaction and Programs stopped, using DB/DC command (/DIS and /STA) to start transactions/programs including monitoring DB2/IMS related jobs to analysis deadlock and Timeouts on weekly basis and providing resolution for the ABEND jobs.
Assisted system programmer utilizing OMEGAMON XE IMS buffer pools, created statistical analysis report to determine changes to IMS batch and online runs.
Environment: Z/OS, TSO/ISPF, JCL, ENDEVOR, DC/DB, COBOL II, DB2, IMS, VSAM, CICS
JES2, TELON, NDM, FTP, ZEKE, REXX, ACF2, SDSF, BMC.
Navistar International March 2013 – July 2014
Sr. Mainframe contractor
Utilized BMC MAINVIEW to monitor performance and diagnose problem to keep mainframe running at peak DB2 performance, verified expected thresholds based on data and DB2 table utilization, created Excel form for documented results.
Worked with system programmer using BMC to backup Image Copy/Reorg for all partitions on the test LPAR, utilized Recons to verify all programs access DBRC and controlled Data sets.
Evaluated HIDAM and PHIDAM data bases to examine the root’s key to determine the address of a pointer to the specific root segment by using DL/I call for the qualified or unqualified segement.
Maintain and verify VSAM/ISAM files using IDCAMS. deleted records per CA/CI size and create JCL for jobs to be run on weekly scheduled process, created Test Libraries and VSAM KSDS data set using IDCAMS for development team along with JCL and PROCS,
Worked with system programmer to keep networking product versions current by upgrading VTAM, SNA and TCP/IP settings for 32-bit addressing, updated routing table for public and private address, updated server names to make sure queries on DB2 tables are successful.
Applied PTF’s for existing and new releases as necessary to keep software under existing maintenance agreements.
Environment: Z/OS, TSO/ISPF, JCL, STROBE, COBOL II, DB2, IMS, VSAM, NDM, SPUFI, FM, EDI X12, CHANGEMAN, TCP/IP, CA7, CA11, VTAM, SFTP,PTF, IDCAMS, FTP.
HSBC (Capitol One) Aug 2012 – March 2013
Mainframe Contractor (System Programmer)
Worked on two separate Server migration projects, PCDG Samba and Verona 1045D and successfully completing both. Utilizing CHANGEMAN created test and QA packages and checkout components for each NDM JCL/PROC. Modified each component based on business requirement by incorporating NDM Parameters including folders PNODE/SNODE to comply with sending and receiving Nodes when mainframe files are transferred electronically throughout HSBC global partners, utilizing CA7 executed NDM runs in QA environment with successful results confirming successful file transfer utilizing online NDM.
Used MQ series Messaging queues to retrieve/Send Messages from local queues utilizing MQ series PUT and MQ series GET functions.
Used OMEGAMON and SYSVIEW to monitor CICS issues, transactions and ABEND codes on production LPARS. Document statistical reports to be evaluated by system support team. Worked with system programmer tuning CICS online systems for peak performance, analysed CICS traces to diagnose and resolve CICS system problems for CICS online environments.
Reviewed ABENDED jobs on ESP and EOS, analysed program dump storage area for error cause, using DUMPMASTER and ABENDAID made necessary corrections, directed operations utilizing Control-M and Control-R for rerun.
Worked as System Programmer to defined CICS data sets to VSAM, modified SIT (system initialization table) for RACF and user access authority Utilizing ALTUSER command and problem determination issues utilizing CICS trace and CECI.
Assist System programmer to maintain system performance level by Analysing controlling resources to ensure efficient resource usage utilizing SMF analysis tool, evaluated processes for system modernization and conversion of IMS to DL2 for DB2 compatibility and execution by converting and eliminating IMS BMP process within batch runs. Environment: Z/OS, TSO/ISPF, JCL, STROBE, COBOL II, DB2, IMS, VSAM, NDM, SPUFI, FM, CHANGEMAN, SDSF, CA View.
IBM June 2010 – Aug 2012
Assisted system programmer to keep networking product versions current by upgrading VTAM, SNA and TCP/IP settings. Applied PTF’s for existing and new releases as necessary to keep software under existing maintenance agreements. Assist System programmer to maintain system performance level by Analyzing controlling resources to ensure efficient resource usage.
Assisted System programmer to upgrade S390 on client side to Z/OS operating system, applied necessary patches provided by IBM on test platform along with SYS libraries, REXX and CLIST programs. Used SMP/E to apply CICS patches, troubleshooting CICS systems, configuration and application problems, and facilitate the necessary actions required to correct the problem.
Used MAINVIEW SRM to create reports on disk utilization, utilized SRM functionality to monitor and control the mainframe storage environment. Created reports to be reviewed by systems architect for the purposes of improvement and resource forecasting.
Assisted System programmer to setup client connect applications connect to LAN servers to perform data and protocol translation between Mainframe and LAN. Conducted DB2 thread monitoring and recommend the application users with the solution to tune the troublesome queries if necessary, evaluated Root cause analysis and recommended performance improvement methods for the long running DB2 application batch jobs/online transactions.
ENVIROMENT: Z/OS, TSO/ISPF, JCL, COBOL II, DB2, VSAM, SMP/E, CICS, SYNCSORT, JES2, JES3,SPUFI,QMF,EDI,SFTP, IDCAMS, IEBGENER, FILEMANAGER, PANVALET,CHANGEMAN, XPEDITOR.
KOHLS (Retail) Jan 2010 – May 2010
Sr. Contractor Mainframe
Monitor and executed commands on PL/SQL for daily jobs scheduling, verified execution of each segment and chunk associated with every execution, allocated memory on UNIX and applied patches for space and rerun the daily retail inventory jobs.
Created Test data using XML SPY for Inventory project based on XML standards, Transformed data to users proprietary output format to be validated After testing and moved to production.
Assisted Oracle database architect evaluating database snapshots, table partitions for Oracle 10g for JAVA middle layer applications and Oracle as back end support of Kohl’s retail stores.
Scheduled Daily jobs on ESP, verified dependencies of each job based on predecessors and successors, coordinated with operations utilizing Lotus Notes, documented elapsed time for each executions to evaluate by operations.
Help Oracle DBA to conduct query tuning, database design review, evaluated query results against mainframe GDG files to maintain compatibility, created Excel document to be used as referrals. Environment: Z/OS, OS/390, TSO/ISPF, JCL, JES2, COBOL II, ESP, DB2, PL/SQL, QMF, SPUFI, PL/SQL, XML, ORACLE, IMS, PANVALET, VSAM.
Trans Union Nov 2007 – Dec 2009
Sr. Contractor (Project Lead)
Lead five member mainframe team in process of converting FILEAID batch JCL jobs to FILEMANAGER. Modified production/user jobs by eliminating referenced to FILEAID and replacing with FILEMANAGER’s .executable options and appropriate PROCS which was critical objective of this conversion.
Design and implemented JCL Conversion standards/procedures for Development team to conduct Manual and online conversion process using REXX and IBM customized conversion tools, Worked as liaison with IBM performance technicians on site to monitor and verify conversion changes, conducted meeting and provided evaluation reports for further data validation and corrections process.
Modified REXX programs to allow production load library access for night shift production runs backup and refreshed production libraries (JCL/PROC/LOAD) to allow access by CA7 scheduler.
Modified Customer Inquiry CICS screens based on user requirement by adding new expanded account field, modified existing fields for MDT, add new function keys to print customer account information in remote locations, documented complete process and functionality to be utilized for future enhancements by development team.
Environment: Z/OS, OS/390,TSO/ISPF, JCL, JES2, COBOL II, PROC, GDG, DB2, FILEAID, FILEMGR, SDSF, CICS, VSAM, LISTCAT, IDCAMS, CA View, REXX, NDM, FTP.
Clark County Las Vegas Nov 2006 – Nov 2007
Environment: OS/390, MVS, TSO/ISPF, JCL, PANVELT, JES2, PROC, COBOL II, Mercury QC, NDM, PROC, GDG,DB2, SPUFI, QC, FILEAID, SDSF, CLIST, EDI, CA7, IMS, CICS, VSAM, ICE, IDCAMS, NDM, EASYTRIEVE Plus, Endeavor, FTP.
CVS Pharmaceutical (Healthcare ) Dec 2003 – Oct 2006
Sr. Contractor Mainframe
Environment: Z/OS MVS, TSO/ISP, JCL, COBOL II, DB2, SPUFI, QMF, FILEAID, JES2,
ENDEAVOR, CICS, ABENDAID, SDSF, MQ series, MERCURY TEST DIRECTOR,
AT@T (Hoffman Estates) Jan 2001 – Nov 2003
Lead Contractor (System/Development)
Environment: OS/MVS, TSO/ISPF, JCL, COBOL II, PL/1, IMS, DB2, EASYTRIEVE SPUFI, JES2, FILEAID, Endeavor, CICS, ABENDAID, IDCAMS, INFOPAC XPEDITER, SSO / EOS
Chicago Rawhide (Manufacturing) May 1994 – Nov 2000
Sr. Contractor (Conversion)
Environment: OS390, TSO/ISPF, JCL, COBOL 370, AS400 COBOL/RPG, DB2, VSAM, DBU, SEU, DDS, SDA, DFU, CL, EDI X12, CICS, OMEGAMON.
OSD - Office of Special Deputy (State of Illinois) Oct 1978 – Mar 1994
Operation Manager/System programmer DOS/VSE
Environment: COBOL, RPGII, ICCF, VSAM, BDAM, ISAM-DYL280, DOS/VSE JCL, ZEKE, EPIC, LIBRARIAN, SUPRA/TOTAL DBMS, MANTIS, IDMS, DITTO.
Control Data College (Chicago).
Certificates: CICS Command Language (IBM)