SUMMARY:

• Over 28 years of IT experience in the support and operations of a large IBM data center. Major strengths include Z/OS Enterprise storage management, software planning and installation, performance tuning, capacity, and disaster recovery planning

EXPERIENCE:

Senior Enterprise Storage Engineer

Confidential

Responsibilities:

• Major Tasks involves DFHSM fine tuning on 11 LPAR’s, DFHSM processing alignment, including Auto Backup, primary and secondary space managements and CDS maintenance.
• Moving ICF Catalogs from Non SMS to SMS managed Volumes using CRP, also conduct catalog corruptions fixes between VVDS and BCS.
• Participate on Enterprise Disaster Recovery process and prepare new client Storage requirements for new environments.
• Involve on new EMC VMAX DASD allocation process and EMC DLM allocation setups.

Storage Consultant

Confidential

Responsibilities:

• Primary person in setting up and planning the Data center Storage migration from Mesquite, TX location to Dallas Downtown location,
• Planning and implementation of LUMINEX MVT on two sites and migration of all processing from IBM VTS to new LUMINEX MVT.
• Converting all ACS routines to divert all standalone tape processing to LUMINEX MVT, and setup replication to secondary LUMINEX MVT.
• Planning the DISK logical mapping of IBM DS8870 at new location and migration of 19TB of data from IBM Shark and Hitachi using TDMF.
• Primary person on planning and setup of Disaster Recovery facility with conjunction with IBM for the new data center for ONCOR at Dallas location.
• Perform all the physical data movement of 3490, 3592 cartridges to LUMINEX Virtual tape system. Converted 67,000 DFHSM tapes to new MVT solution.

Enterprise Storage Consultant

Confidential

Responsibilities:

• Planning and Implementation of standardization DFSMS configurations across the enterprise to reduce the analyst time to maintain DFSMS.
• Provide a consistent framework for future storage automation and improve storage optimization.
• Planning to reduce the difference between test and production environments to improve the Information Retention Program compliance.
• Standardize all ACS routines across 94 LPAR’s to reduce the number of constructs and efficient storage management.
• Perform the physical data movements across the Storage Groups to comply with the reduced SMS Constructs.
• Perform DFHSM performance tuning and and implement data set management policies using DFSMS Management Class constructs.

Z/OS Storage Consultant

Confidential

Responsibilities:

• Planning the IBM VTS and ATL migration move to Oracle SL8500, and VSM5. Setup the Hardware installation guidelines and the data migration policy to new media.
• Maintained all RMM reporting, policy setup and regular maintenance.
• Extensive analysis and report generation of Tape Media environments using IBM VMA (Volume Mount Analyzer) for upper management and provide recommendations for balancing the tape mounts.
• Maintain and provide recommendations on DFHSM configurations, and resolves issues on multiple Sysplex environments. Also, Setup the daily DFHSM activity policies, including Daily Space Management, Auto Backup, Dump processing, and Recycle processing. Also perform all three CDS maintenance.
• Update and analyzed all SMS constructs for efficient function for Data Migration, Data Management and Data Allocation.
• Provide load balancing recommendations on Physical DASD to reduce IOSQ timing, and analyzed all DASD bottleneck issues to provide solutions.
• Wrote Rexx programs to automate DFHSM maintenance Commands.
• Provide on call support for Daily, Weekly and Monthly backups across multiple Sysplex.
• Extensive use of RMF facility to report possible solutions for any abnormality on DS8700 environments.

Senior Systems Administration Engineer

Confidential

Responsibilities:

• Primary person in charge of Storage management, configuration and capacity planning of the two Data centers which includes EMC DMX1000 4.2 TB, IBM DS8000 7.9 TB, and IBM DS .3 TB, total of 29.4 TB.
• Primary person in charge of all DFHSM processing setup, configuration and problem resolution, which include Daily Auto backup, Dump, ABAR, Migration, Primary and Secondary Space management, Recycle and CDS maintenance.
• Configured DFSMS and wrote all required ACS routines for efficient storage management.
• Installed and Configured Mainview SRM for DASD Monitoring and customize SRM functions to work in conjunction with DFHSM processes.
• Completed the Project of installation of high capacity IBM 3592(TS1120) Tape drives in two data centers, and successfully migrate all 3490 Cartridges to 3592 cartridges.
• Implemented TMM (Tape Mount Management) process in two data centers using DFSMS, thus reducing daily batch processing time by 70%, and production tape mount by 80%.
• Implemented, coordinated and managed the system wide Disaster Recovery Plan and participated in 4 live disaster recovery drills at Sunguard, Philadelphia, to restore the complete functional system in 24 hours.
• Participated in Planning and installation on three Z/OS operating system upgrade from Z/OS 1.6 to Z/OS 1.10, and two CPU Upgrade process to Z900 and Z10 - 2097.
• Participated with management in technical specifications and cost effectiveness on acquiring DASD, Tape, and CPU.
• Managed IOCP gen and hardware configuration using HCD.
• Well versed on SMP/E installation and recovery process.
• Responsible for performance analysis and system-level tuning for a multi-LPAR, 3,000 MIP Z/OS 1.9 and Z.OS 1.10 mainframe environment.
• Implemented WLM for 7 LPARs and set up Goal Mode policies based on specified business requirements.
• Isolated CICS and DB2 transaction bottlenecks using MAINVIEW, SYSVIEW, and SMF data analysis
• Coded a wide variety of reports using MAINVIEW to evaluate z/OS CPU, I/O and storage performance statistics. These programs extracted and utilized a variety of source data, including: CMF, RMF, and raw SMF records.
• Created Excel-based graphs and spreadsheets to compare real performance data with SLA goals to meet service requirements.
• Designed and coded MAINVIEW programs to extract and analyze MVS source data (SMF, RMF, CMF) and determine historical trends for CPU, memory, and storage utilization; CICS, DB2, and batch transaction statistics, and; system-related channel activity (tape, DASD).
• Utilized modeling tools to forecast resource requirements and justify hardware upgrades to meet business service levels and future workload needs.
• Presented workload trends and growth forecasts to management using Excel charts/graphs and Power Point presentations for future planning.

Senior Systems Programmer

Confidential

Responsibilities:

• Responsible for DASD management and configuration of the Data center which comprise of 5 TB on IBM ESS 2105 Model F20, 510 GB on HDS 7700-E, and 850 GB on EMC 5100. Completed the project to install and configure IBM ESS SHARK and the migration of data from HDS 7700- E and EMC 5100.
• Completed the project of installation of STK 9840 tape drives and Setup DFHSM to use STK drives from IBM 3480 drives on HSM DUMP, HSM BACKUP.
• Completed the project of installation of IBM 3590 Magstar drives and moving all DFHSM data from STK Cartridges to IBM 3590 cartridges. Also setup TMM (Tape Mount Management) using DFSMS V1 R3, thus reducing daily batch processing time by 70%.
• Primary person in charge of installing IBM and third party products using SMP/E, which includes, CA1, ACF2, $AVRS, OMEGAMON, TMON, CICS, EXPEDITOR
• Installed and Configured CA-1 Tape Manager and performed regular maintenance on the software.
• Primary person responsible for DFHSM configuration and performance tuning on Daily backups, Weekly Dumps, Migration, Recycle functions, ABARS and DFHSM control dataset maintenance.
• Configured DFSMS and wrote all required ACS routines for efficient storage management.
• Installed and configured FDR REORG for Daily and weekly VSAM reorganization.
• Installed and supported CICS 4.1, CICS/TS 1.3 and CICS/TS 2.3. Installed and Supported TMON and OMEGAMON.
• Implemented the Disaster recovery plan using DFHSM ABARS and coordinated live disaster drill.
• Maintained VTAM and NCP for Local and remote terminals. Coded all VTAM definition books and NCP for multiple domains SNA within the company. Resolved problems on VTAM and NCP lines and fine tune to improve the response time for all CICS users.
• Used TMON/MVS, Omegamon, and RMF to monitor z/OS performance.

Senior Technical Specialist

Confidential

Responsibilities:

• Primary person in charge of all Mainframe system Software maintenance, upgrade and performance tuning of main data center, which consist of 4 IBM 4381 CPU, 2 VM/ESA 1.2, and 16 VSE/ESA 1.3.3, and VTAM, NCP, SQL/DS, CICS.
• Performance tuning of RCW main data center, which consist of 2 IBM 4381 CPU, 1 VM/ESA 1.2, and 9 VSE/ESA 1.3.3, VTAM, NCP, SQL/DS, CICS, and CSP/AD/AE.
• Planned and managed a major data center move involving a relocation of 590 gigabytes of disk storage and four IBM 4381 Mainframe computer with no unscheduled downtime. System architect for the conversion of 3380-E DASD to 3380-K DASD and to 3390 ECKD DASD
• Primary person in charge of all SQL/DS Database Generation and Administration. Database Administration includes: Creating and generating new SQL/DS Databases, implementation of connectivity between SQL Engine and multiple CICS regions. Designed and implemented DASD layout for databases on channel configuration for better throughput. Heavily involved in Performance tuning on response time. Implemented and installed Lu 6.2 connectivity to SQL server using DRDA connectivity. Installed and implemented MDI Access Server for VSE-CICS for Lu 6.2 connectivity to SQL. Coordinated all database Backup procedures and disaster recovery. Attended and completed IBM classes on SQL/DS advance system administration and customization.
• Managed all CICS 2.2 system development, implementation of Auto-Install, problem determination on response time using various traces, and performance tuning.
• Installed and supported EPIC/VSE, FAQS/ASO, PCS, XCOM, NDM, FLEE, FAVER, SAR, EXPLORE/VSE/CICS/SQL. Specialized on ALERT/VSE 4.9.2 and ALERT/CICS 4.9.2 security package installation, and implementation.

System Analyst

Confidential

Responsibilities:

• Responsible for installation and maintenance of DOS/VSE, VSE/SP, and their related software and Evaluated and recommended system software.
• Coordinated the migration of VSE operating system from IBM to 4381. Maintained all security access using VSE security components. Wrote COBOL programs to maintain system documentation and CICS Command level programs to provide application programmers with CICS system parameters. Well versed on ICCF maintenance and DTS file reorganization. Installed and maintained CA-DYNAM Tape and Disk Manager. Analyzed all CICS system problems, recommended application modification, and provided system support to client and end users.