Mike Duff personal email
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Continually generate exceptional results that highly satisfy the client and make my employer look good.Have made a successful career trouble shooting complex mainframe application issues. Resourcefully and resiliently learn/use MVS tools to identify, resolve, and test difficult system issues in my assigned applications. I have also used these skills to resolve issues on related applications. My exceptional success with difficult issues has made clients and employers very satisfied.Some MVS tools used effectively to resolve system issues include: Xpediter, Strobe, Fileaid, AbendAid,REXX, SAR, ISPF, TSO, Express/DCF, JCL, Sort, Easytrieve, Icetools, Changeman, Endevor. Have taught classes in JCL and Assembler language. Have developed, maintained, tested and performance tuned applications written in COBOL, Assembler and REXX. These apps used IMS/DC, IMS/DB, DB2, SAS as well. Strong soft skills: Have always had a strong relationship with the client, it comes from taking the time to clearly understand the issue at hand. (the business behind the code)Having had: 1)strong relationships with the client; 2) and, incredible success resolving complex system issues, I continually made my employers look good.Specialties: Mainframe computer applications written in COBOL, Assembler, REXX that use IMS/DC, IMS/DB,DB2, SAS, JCL
Mvs Deep Dive Solutions Ltd
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OwnerMvs Deep Dive Solutions Ltd Apr 2013 - PresentOttawaI use this company to land MVS contracts. Most recently a contract with modis and the cra in Ottawa.
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Software DeveloperGwl Mar 2010 - Nov 20122010 Worked with Manframe Applications & just completed some work with the XML extender utility.2011/12 Worked with an more Mainframe applications writtern in Assembler, PL1 & Cobol that were drivern by JCL or IMS on-line screens. The applications used IMS and DB2. Used Strobe/File-Aid (MVS/DB2/IMS) /Xpediter/SyncSort and created productivity tools with REXX edit macros.
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Mainframe Applications AnalystKeane Canada Inc. Oct 2005 - Mar 2009successfully did: 1) on-call support; 2) development; 3) but mainly trouble shooting for complex batch/on-line mainframe applications. The applications used COBOL IMS/DB IMS/DC DB2 and SAS. Got into performance tuning with the strobe tool. Learned how to use strobe analysis to re-write code more efficiently to run cheaper, quicker and with less data contentions.
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Mainframe AnalystKeane 2005 - 2009
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Mainframe Applications AnalystOao Technology Solutions Jun 2002 - Sep 2005This was an IBM engagement with IBM methodology. Successfully did On-call support, development and trouble shooting, but mainly testing for a complex mainframe COBOL application with DB2 and IMS. I was able to build system test environments for the AT&T application in about 2 hours. The previous vendor required 2 weeks. But with strong JCL and REXX skills I build environments quickly. Then take about a day to populate the project environment with appropriate production data. This gave the project analyst certainty of how the code changes would react early in the project life cycle. -
ConsultantOao Technology Solutions Nov 2001 - Jun 2002Supported 2 marketing and information applications for Nortel.Written in NOMAD and REXX and sitting on a VM system, the applications required much resourcefulness to learn. But in a short time I was able to deliver solutions to longstanding issues. Found that the VM system was much like UNIX. Sadly, the contact between the client and my employer was short lived, due to downsizing. However, my hard work was recognized so I was immediately placed on another assignment. -
Mainframe Applications AnalystMaxium Solutions Jan 2001 - Jul 2001Continued application support work with Maxium Goup Did trouble shooting and compliance refund audits for the client but cutbacks made the contract short lived. -
Mainframe Applications AnalystAjilon Sep 1997 - Dec 2000Assigned to a major insurance company in Chicago via Accenture.Some development, but mainly mainframe application troubleshooting. The complex application was written in 24 bit assembler. Wrote many assembler modules to extract/audit data for the client and worked independently to diagnose and resolve system issues reported by the client. Learned the client's business very well by reading the code and understanding the data.
Mike Duff Skills
Mike Duff Education Details
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Finance, Management -
Economics, Business
Frequently Asked Questions about Mike Duff
What company does Mike Duff work for?
Mike Duff works for Mvs Deep Dive Solutions Ltd
What is Mike Duff's role at the current company?
Mike Duff's current role is Owner MVS Deep Dive Solutions ltd.
What is Mike Duff's email address?
Mike Duff's email address is md****@****hoo.com
What schools did Mike Duff attend?
Mike Duff attended Memorial University, Newfoundland And Labrador, Memorial University, Newfoundland And Labrador.
What are some of Mike Duff's interests?
Mike Duff has interest in Hiking.
What skills is Mike Duff known for?
Mike Duff has skills like Cobol, Mainframe, Software Development, Data Analysis, Assembler Language, Strobe Performance Tuning, Db2 Ims And Some Idms, Mvs, Endeavor, Tso, Sdlc, Fileaid.
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