Mainframe Programmer/Architect

Summary

Extensive years in mainframe systems programming, Performance tuning. Many projects involving data center migrations, upgrades. Proven ability to lead and deal with individuals on all levels, and motivate others to achieve assigned goals.

Experience

Confidential

Systems Programmer

• Supervise 4 senior systems programmers for z/OS upgrades, performance, solutions, SYSPLEX, hardware and software migrations.
• Maintain three 2827-706 running 6 Parallel Sysplexs, multiple ICF's, z/VM with 3 z/OS guests and DR site.
• System tuning, performance enhancements with WLM, RMF. Adjustments to goals, service classes based on workload and demand.
• Project lead for new Self DR site running a single 2827-701 with CBU, work included configuring machine, providing solution to company DR needs, implementation and verification of new machine.
• Installed z/VM 5.4 with multiple z/OS guests. DR Planning and execution.
• OS upgrades to z/OS V1.9, V1.11 , V1.13 for a 18 LPAR configuration running multiple SYSPLEX's.
• Plan, upgrade from 2094 to 2097 servers. This included capacity forecasting and performance, IOGENs, migration, implementation, STP timer configuration.
• Technical project lead for z10 to zEC12 upgrade. This included planning, ordering, implementation, HCD work, cabling matrix, OS toleration, Coupling Facility connections, SYSPLEX policy definitions.
• HFS to zFS conversion, USS in general. ICSF crypto setup, master key, application keys generation.
• OSA/ICC console configuration.
• Provide direction to Tech services staff, yearly reviews, career planning.
• EMC VMAX HCD configuration, planning, enablement.
• IBM DS8000 series HCD planning, configuration for multiple sites.

Confidential

Security Engineer

• Security remediation for PCI/SOX. RACF security controls, audits. OEM products upgrade and installation.
• Full implementation of USS security on 3 LPAR z9-705 server.
• PKI implementation for use with in house Certificate Authority and z/OS LDAP.
• Implemented full audit controls and provided specific audit tools.
• Recommend security solutions for Zseries based servers utilizing RACF and z/OS architecture.

Confidential

Systems Programmer

• z/OS systems programmer, security architecture. z/OS upgrades, definition of new LPARS, OEM upgrades, OS maintenance.
• Upgrade z/OS V1.6 to V1.8 via Server Pack in an 11 LPAR PARALEL SYSPLEX configuration.
• RACF Exit coding, setup and implementation of multi tier password sync process which included z/OS, Solaris UNIX and Windows NT servers.
• Build new Parallel sysplex for 2 prod, 2 test LPAR with GRS/STAR and ICF links
• Research and implement solutions for PCI 3270 encrypted emulation.
• System performance, tuning and improvements to overall system response.

Confidential

Senior Systems Programmer

• As a consultant traveled to multiple clients to implement z/OS and Zseries servers solutions.
• z/VM V5.1 implementation with multiple SUSE Linux V8.0 guests.
• Multiple z890 server implementation with z/OS V1.4 and/or upgrading OS/390 to z/OS.
• Problems resolutions, project involvements.

Confidential

Lead Systems Programmer

• Lead programmer for 5 senior systems programmer. Project lead for z/OS upgrades, S390 to z900 and Z990 upgrades.
• z/OS installation, upgrades, OEM installation in a 6 LPAR SYSPLEX configuration with ICF and ICB3 technology.
• HMC customization, HCD and IOCP generation for all related I/O
• Converted to GRS/STAR from CA-MIM products. Converted to ATS/STAR from CA-MIM Allocation product.
• USS customization, security setup, HFS and ZFS file implementations. Assist performance group with WLM setup and recommend performance settings.
• Customize JES2 exits, installed WebSphere V4.0 and V5.0 for CICS enablement.
• DR Testing, planning, documenting and improvement.

Confidential

Senior Systems Programmer

• As an outsourcing Company I provided system level support to 4 external clients including OS upgrades, maintenance, security, OEM upgrades.
• OS/390 V2.4 to V2.7 upgrades, project management for all OS upgrades. Provide 24/7 customer support, coordination of maintenance activity with customers.
• RACF security administrator, IODF/IOCP generation, SMS customization, OEM installation.
• Problem resolution, operations support, production support.

Confidential

System programmer/Software Testing Development

• OS installation for 6 LPAR s in a Parallel SYSPLEX layout. OS levels ranged from OS/390 V1.3 to OS/390 V2.4, this included customization, Candle products verification and testing.
• All phases of OS/390 upgrades starting with os/390 V1.3 to OS/390 V2.4. Test new Candle Software products Omegamon, CMS and CCC. Provided Security administration work.
• Develop code for Candle products, namely CMS and CMW, and Omegaview, code included Java Scripts and REXX programming for the Omegaview interface.
• Lead the ACF2 to RACF migration, which included the installation and customization of RACF, coding the correct RACF exits to insure a smooth and problem free migration for over 5000 TSO users.

Confidential

Systems Technical Analyst

• MVS/ESA upgrades, OS automation, batch support, operations support.
• Running a 3090-600 machine, upgraded the MVS V4.3 to MVS/ESA V5.2, this included base OS installation, OEM product upgrades.
• Installation of Netview, and implementing Automation to aid in operations activities. Support application programmers, batch cycles, and OS problem analysis.