Jim Vreeland

Accomplishments while contracted to SKF (05/2000 thru 11/2001)

Mainframe Systems

Provided 24x7 mainframe support for three SKF companies

Administered all aspects of SKF mainframe environment, including hardware; software; DASD; security; communications; online systems; IMS and DB2 database environments; printing subsystems; operating environments

Created and documented IVP jobs and procedures for all mainframe software to be used during product upgrades

Performed feasibility studies of CPU and DASD upgrades and presented results to SKF management

Implemented and documented IBM and OEM software cloning process to allow rapid delivery of upgrades and enhancements to production LPARS

Standardized catalog structure, aliases, volume layouts and sub-system names to allow simplified systems management

Implemented IBM Websphere and HTML servers for evaluation by development team

Instituted TMM (Tape Mount Management) using SMS constructs and existing hardware to reduce physical tape usage

Initiated and documented dynamic IOGEN process using HCD to allow hardware to be installed without disruption of service

Installed and customized MQ/Series to communicate with AS/400 and Win/NT servers

Customized OSA (Open System Adapter) communication hardware and trained Network Services personnel on supporting software

Upgraded OS/390 from release 2.4 to release 2.9 on three production LPAR’s

Identified, evaluated and documented all MVS exits running on SKF LPARS

Database Administration

Implemented recurring operational utilities such as reorgs and runstats to ensure efficient use of resources in multiple DB2 instances

Maintained ISPF interfaces to DB2 functions such as SPUFI, compiles and 3rd party products

Upgraded 3rd party DB2 products to coincide with OS/390 maintenance releases

Monitored DB2 performance using TMON/DB2

Maintained several IDMS instances for SKF's aerospace subsidiary

Security Administration

Restructured RACF database hierarchy and implemented security profiles for three production LPARS in response to external audit

Designed and implemented daily / weekly security reporting using RACFRW

Setup USS and FTP security during installation of OS/390 2.9

Implemented RACF exits to support 3rd party products and updates to the base code

Designed ISPF dialog to assist helpdesk in User ID maintenance

Performance Tuning/Capacity Planning

Initiated extensive tuning of DB/2 and IMS database sub-systems

Designed PRSM LPAR structure for efficient use of processor resources

Performed capacity studies of CPU and DASD upgrades and presented results to SKF management

Disaster Recovery

Designed and implemented backup and recovery of mainframe LPARS


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