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Ibm Mainframe System Administrator Resume

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SUMMARY

  • Over 25 years in the z/OS Mainframe System Programming field with expertise in large scale IBM hardware/software 24x7 support in complex global operating environments.

TECHNICAL SKILLS

  • z/OS 2.3, 20 LPARs, 3 Sysplex Configurations, many z13’s, zIIPS, HMC, MCLs, CBU, OOCoDIBM/EMC Virtual Tape, IBM 888x and EMC 40K DASD, Internal/External Coupling Facilities, PPRC, Global MirrorSoftware Environments
  • ICF Catalogs, TSO/ISPF, JCL, VSAM, ICKDSF, IBMLINK, PMRs, DFDSS, SMF, SMP/E, JES2, SDSF, TDMF, RACF, LOGREC/EREP, DFSMS, WLM, Omegamon, RMF, GRS, VTAM/NCP, Parallel Sysplex, FTP, System Exits, Supersession, CLIST, COBOL, Assembler, TCP/IP, CICS, IMS, DB2, Enclaves, REXX, MQ Series, TWS, SCRT/MLC, GDPS, SA390, Netview, CONNECT:Direct, USS, HSM, VTAM
  • 1, 7, 11, PDSMAN, PMO, Quick Fetch, MICS, MIM, Librarian, Allocate, Disk (DMS), Vantage, Extend DASD, SAR, Easytrieve Plus, RMO, OPS/MVS, Roscoe, TSS, Sysview
  • T - REX, Catalog Solutions, CMF, CMM, Mainview for z/OS and USS, Vanguard Administrator and Advisor, SRDF, JOB/SCAN, Strobe, IAM, FDRABR, COMPAKTOR, Syncsort, ThruPut Manager, SAS, ISPW, ABEND-AID, Windows Application Server software, Oracle client, MXG, TMON, IOF, NETEX, WEB390, Quickref

PROFESSIONAL EXPERIENCE

Confidential

IBM Mainframe System Administrator

Responsibilities:

  • While waiting for Public Trust Security Clearance and access to the systems, initiated and coordinated microcode upgrades for the z12s and HMCs at 2 data centers, performed the first CBU activation at the DR site bringing the z12 box to full capacity, and worked with IBM to establish HUD account access to Shopz, IBMLINK, and Resource Link.
  • Provided leadership to the team for best practices, process improvement, and communication.
  • Provided advanced problem determination and trouble shooting skills for hardware/software abends and errors.
  • Expanded the usage and data retention of RMF III to identify resource issues.
  • Started the process to develop technical standards and a common documentation repository.

Confidential, Symmes Township, OH

SR IT Systems Engineer

Responsibilities:

  • Provided advanced problem determination and trouble shooting skills for hardware/software errors and performance tuning issues in PROD/DEV/TEST Sysplex and Coupling Facility.
  • Primary SME for CPU spikes and all performance related issues, system resource shortages, warnings that prevented system outages, DASD/tape performance, HMC Dashboard monitoring, TMON, RMF, and other performance monitoring tools.
  • Known for thorough, passionate, and a determined attitude to find the root cause for all critical system issues and business impacting events.
  • Primary SME for OOCoD, CBU, and permanent capacity upgrade processes using the HMC and GDPS scripts and panels.
  • Lead a team to develop an “Easy Button” emergency process to add Capacity with OOCoD.
  • Took over the SCRT/MLC IBM reporting which resulted in thousands of dollars of savings with the identification, analysis, and exclusion of anomaly events.
  • Performed analysis, modification, installation, testing, and maintenance for z/OS software.
  • Worked extensively with IBM and other vendor’s 2nd and 3rd level development staffs to improve product functionality, reliability, and serviceability.
  • Assisted other internal staff on a regular basis to diagnose and resolve issues in their areas.
  • Monitored the production environments using the HMC Dashboard, RMFIII, and TMON.

Confidential, Salisbury, NC z/Enterprise Capacity & Performance Architect

Responsibilities:

  • Implemented BMC’s (CMM) Capacity Management for Mainframe product to replace a MICS in-house performance and capacity reporting system. CMM utilized an Oracle data base.
  • Provided advanced problem determination and trouble shooting skills for hardware/software errors and performance issues in each PROD/DEV/TEST Sysplex and Coupling Facility.
  • Identified and recommended system changes to improve the operating environment and to provide industry “Best Practices”. Heavily involved with capacity planning for the environment.
  • Coded and installed PROD/DEV/TEST started task, batch, and DB2 WLM changes.
  • Participated on a team that planned and monitored a critical and successful Tennessee to Colorado production data center migration in July, 2012. The migration included over 350 directly supported applications and over 89,000 unique interfaces. There were no production performance problems detected or reported. This environment averages over 225 million IMS transactions and over 53 million DB2 transactions on a work day from 4 CECs and 24 LPARs.

Confidential, Lake Mary, FL

Systems Specialist / Senior z/OS Systems Programmer

Responsibilities:

  • Recognized enterprise expert with user catalog management and problem resolution.
  • Led Catalog Management Replacement project resulting in $40K+ annual savings with significant production and DR functional improvements.
  • As a special assignment, upgraded the CA MICS job accounting software that was several years behind in service. This upgrade satisfied a client contract requirement thus mitigating $1.8M annually in at risk financial penalties.
  • Received Employee Excellence awards for several projects including DASD migrations, client / data center migrations, efficiency improvements, hardware, and z/OS upgrades.
  • Performed problem analysis, resolution, and tuning for multiple data centers and LPARs.
  • Key member of the disaster recovery technical support planning and exercise teams.
  • Chaired a by-monthly z/OS Efficiency team meeting with clients and technology leads.
  • Primary Program Product installation and support for Catalog Solutions, CMF, Extend DASD, IAM, Jobscan, Librarian, Mainview for USS, MICS, Omegamon, PDSMAN, PMOQuick Fetch, RACF, T-REX, Vanguard Administrator and Advisor, and WLM.
  • Secondary Program Product support for several IBM and non-IBM OEM products.

Systems Specialist / Senior z/OS Storage Administrator

Confidential

Responsibilities:

  • Daily responsibility for DASD management in Cincinnati and back-up support for Orlando. This day-to-day DASD Management included: Problem resolution, monitoring, research, new volume initializations, volume status changes, capacity planning, data set placement & performance, new hardware & software technology, disaster recovery plans and exercises, standards and documentation, catalog management, UNIX/P2K/NFS/PDSE issues, backups, restores, archives, single points of failure, capacity concerns, DASD cleanup, charge-back, HIPER maintenance, operating system interfaces, and 24X7 on-call support.
  • Product support for Catalog Solutions, CA-Extend DASD, DFSMS, IAM, Kwik-key/Kwik-load, TDMF, and XSTAR.
  • DASD migration tasks utilizing TDMF for storage devices going off of lease with no client impact.

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