• Senior consulting lead z/OS systems programmer responsible for maintaining and configuring a five-way z/OS 2.3 to 2.5 sysplex migration (IBM z14) for Kohl's, Inc., HMC support, IPL volume build, configuration, IPL PARMs setup.•Managed/maintained the entire SMP/E service environment: downloaded/received RSU/PTF ShopZ monthly service and analyzed the HOLDDATA; constructed multiple IPL volumes at various service levels for 2.3 and 2.5.; installed back level/missing service for z/OS 2.5, Db2 12, CICS 5.3 and a 5.6 to 6.1 installation, MQ 9.1 and 9.3 CD to LTS migration, zSecure 2.5, Connect:Direct 5.2 to 6.3 migration, Enterprise COBOL 6.1-6.4. • Created and deployed numerous SMP/E USERMODs for z/OS 2..5, Language Environment, the Application Delivery Foundation products (APA, Fault Analyzer, File Manager, z/OS Debugger).• Deployed IBM DSFS, Python 9.3.13, Java 17.• Extensive PARMLIB cleanup/tuning (APF, link list, BPX parameters, multiple subsystem configurations).• Extensive mentoring, training, collaboration with employees, contractors, vendors; routine problem management resolution (Service Now), wrote a significant volume of documentation (Confluence)

• Senior consulting z/OS systems programmer responsible for maintaining and supporting z/OS 2.4. Broadcom Common Services (CCS/CAI), and mentoring junior team members on using SMP/E.

• Senior consulting lead z/OS systems programmer responsible for maintaining and configuring a five-way z/OS 2.1 to 2.3 sysplex migration (IBM z14) for Kohl's, Inc., HMC support, IPL volume build, configuration, IPL PARMs setup, RSU/PTF ShopZ monthly service download and installation; IPL volume built for z/OS 2.5.• Restructured entire SMP/E service environment; installed years of back level/missing service for z/OS 2.3, Db2 11/12, CICS 5.2/5.6, MQ 8/9.1.5, zSecure 2.3/2.4, Connect:Direct 5.2/6.3, Enterprise COBOL 6.3.• Upgraded SMF exits and Jes2 Exits 5 and 6 to use new $MODULE facility; converted SMTP to CSSMTP.• Created and deployed new SMP/E USERMODs for z/OS 2.3/2.5, Language Environment, and the Application Delivery Foundation products (APA, Fault Analyzer, File Manager, z/OS Debugger).• Extensive PARMLIB cleanup/tuning (APF, link list, BPX parms, multiple subsystem configurations).• Mentoring, training, extensive collaboration with employees, contractors, vendors; routine problem management resolution (Service Now), author of a significant volume of documentation (Confluence).

• Onsite contractor to the City and County of San Francisco Department of Technology maintaining and servicing z/OS 2.3 and CICS 5.2 on a 3 LPAR z13s using IBM Global Mirror with multiple Broadcom and OEM software products; participated in two disaster recovery exercises.• Installed multiple CICS RSU SMP/E service upgrades; customized RACF® and SCRT sub-capacity reporting.• Daily CICS and z/OS performance reporting using Omegamon, Excel, and RMF Spreadsheet Reporter using Apache and Unix System Services; extensively customized HTML intranet web pages. • Customized and tuned five z/OS 2.4-2.1 zPDT LPARs researching/installing all RSU/PUT maintenance.• Created a z/OSMF workflow for zOSEM; deployed seven IBM pre-GA ETP z/OS 2.4 system builds.

• Installed z/OS 2.1 service/storage administration through RSU 1606; managed IBM SCRT LMS billing; wrote three +corporate disaster recovery guides for use at SunGard AS in Wood Dale, IL.• Assumed responsibility for Tivoli 8.6 to IBM 9.3 Workload Scheduler conversion and deployment including upgrading/implementation of all outstanding product service, SMF exits, user modifications, parameter definitions, cataloged procedures, batch production jobs.• Upgraded MXG, redesigned all in-house ISPF panels, and updated numerous open-source utilities and tools.• Published and co-authored two technical journal articles in Enterprise Tech Journal, 2016, Issues 5 and 6.

• z/OS 2.2 ETP SMP/E subject matter expert: designed and wrote innovative and uniquely customized SMP/E product packaging prototypes for SDS’ VFTP, VIP, VNC, VTCP, and eBusiness Server mainframe and workstation products.• Classified, analyzed, refactored legacy assembler, COBOL, C load modules warehoused in a CVS workstation and REXX-based SCM build and release repository.• Constructed and installed REFILEs with newly written JCLIN, MCS, allocation jobs for VSAM global, target, DLIB zones, and target libraries, DDDEF entries definitions; designed test cases complying with published IBM SMP/E software manufacturing and packaging best practices, disciplines, validation rules, and documentation guidelines.• Designed and wrote three 35-page MS Word program directories for VFTP, VNAC, and VIP.

• Principal responsibilities included support of z/OS 2.1 upgrades and migration, TCP/IP, VTAM, NetView communications software problem remediation as an onsite consultant of CompuCom.• Technical duties included routine support/problem diagnosis of TCP/IP, VTAM, CICS, TN3270 emulators, and z/OS host printing applications including IBM InfoPrint Server/AFP, MacKinney Systems' JQP, MPT, and VVP products for regional criminal justice applications across 65 county agencies.• Supported the COO/county leadership with RFP contract preparation, technical personnel succession planning and hiring, software and hardware turnover for off-site re-hosting of the IBM z9 BC.

• On-site consultant for IBM GTS/Computer Task Group/Datamatics validating the corporate-wide implementation of IBM DS8870 storage configured as extended addressable volumes (EAVs) on five JES2 and JES3 parallel sysplexes consisting of 18 LPARs running the z/OS 2.1 Generic Tracker Facility on 17 zEC12 mainframes.• Developed innovative SAS programs to deconstruct EAV exception data reported by the z/OS 2.1 Generic Tracker, analyzed findings using SAS statistical procedures, constructed CSV files for workstation-based reporting, and post-processed results with the Microsoft Excel Data Analysis Toolkit using descriptive statistics; updated TSO assembler command DSPACE using LSPACE EAV features.• Created and consolidated, LPAR-by-LPAR, sysplex-wide spreadsheets summarizing EAV exception conditions for State Farm and OEM vendor stakeholders to remediate software incompatibilities across all production/test applications and OEM vendor software.• Wrote two internal technical papers: “EAV Stakeholder & OEM Vendor Compatibility Analysis Reports: Project Technical Guide” and “How to Interpret EAV Tracking and Migration Information”.

• Technical Operations Complex Test Mainframe Performance Lab: worked with Hitachi, Ltd. ITPD, Japan, redesigning in excess of 500 functional verification and regression test cases for storage certification and compatibility of HDS VSP, USP-V, and USP storage controllers in conjunction with the IBM Early Test Program for z/OS 1.13 and 2.1 on a dedicated IBM z/196 LPAR.• Presented function test hardware compatibility findings in 2011 to Hitachi RSD Japanese executives in Odawara, Japan for which I received the HDS Vice President’s Technical Leadership Excellence Award.• Using Performance Associates PAI/O® driver, created IBM FlashCopy®, XRC, and PPRC performance test cases using RAID 14+2 formatted storage pools on SAS and SSD storage.• Conducted pre-GA beta testing of the HDS G1000 Storage Controller, Storage Navigator®, Business Continuity Manager®, ShadowImage®, and Tiered Storage Manager software.

Two concurrent faculty appointments... (2009-2011) 1. Heald College – San Francisco, CA - Adjunct Faculty (IT, Mathematics, Physics) 2. SUPINFO International University – San Francisco, CA – Adjunct Faculty (IT)• Graduate and undergraduate instructor in information technology, mathematics, physics.• Courses taught: Introduction to z/OS & the Mainframe, Disaster Recovery, Ethical Hacking & Network Defense, Security+ Networking Fundamentals, Applied Physics, Algebra & Trigonometry.

• CA-to-IBM product migration: installed IBM Tivoli Output Mgr., Omegamon XE for DB2 and Storage, DB2 Tools installation, debug, configuration (Admin Tool, SQL PA, Object Compare, Log Analysis, Path Checker, Table Editor, Query Monitor, Utilities Enhancement); authored customer training courseware; annual savings estimated in excess of $500,000 per year.

IBM San Jose: Cottle Road & Silicon Valley Programming Labs• Technical lead, 9 years, DFSMS Integration and Product Packaging build team: project oversight, programming, training, and coordination of five software packaging engineers.• Software developer for the build, packaging, delivery, technical documentation, and SMP/E function test environment for IBM’s PPRC and FlashCopy® Manager Products.• Served 11 years as Lead IBM Storage Technology Group DFSMS software/hardware requirements coordinator to SHARE; scheduled, budgeted, and coordinated planning and conference participation for 15-20 IBM speakers.• As a CVAF function tester, updated assembler test cases for extended format sequential data sets on IBM EAV storage; created numerous unit test cases for EAV messaging function on z/VM guest machines; coded new ICKDSF function in PL/X and HLASM.• Co-authored journal article in z/OS Hot Topics Magazine, new LSPACE macro changes for EAV.• Wrote comprehensive project plans to upgrade Tivoli NetView, System Automation, and Workload Scheduler for EAV function test; system programmer for 5 LPARS on Tucson z/10.IBM Boca Raton, Florida, and Austin, Texas Programming Labs• Programmed, debugged, and maintained device drivers written in C using Presentation Manager and OS/2 WARP 4 APIs for spooling and printing upon HP LaserJet, PostScript, and compatible printers using the Kernel and IPMD/ICSD debuggers.