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Mahesh Thani

Mahesh Thani

Mainframe Senior CICS/Adabas Programmer

Talent
Toronto, ON, CanadaMember since October 15, 2026
Zos/MVSMVS/ESAVM/VSE-ESACOBOLJCLDB2VSAMSQLMQ seriesMiddlewareWebSphereCHANGEMANRMSACRFTP/SFTPConnect DirectAOCRACFQMFCICSTSO/ISPFSDSFTCP/IPIMS/DBJES2FocusFILE-AIDXPEDITORZekeEndevor
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Zos/MVSMVS/ESAVM/VSE-ESACOBOLJCL

About

To obtain a challenging position in Mainframe Analyst field in an organization which will utilize my knowledge, experience and acquired skills providing opportunities for growth and advancement.

Experience

Mainframe Senior CICS/Adabas Programmer - RBC - Toronto, Ontario

  • Provide technical support for entire regions: Adabas and CICS
  • Contact vendor (SAG & IBM); create tickets and follow-up if any issues
  • Download and apply upgrades Adabas and CICS products
  • Apply upgrades by lower-level LPAR stage by stage
  • Involved in Production and test regions problem debugging and fixing
  • Take a lead on the Adabas product upgrades; schedule a meeting with external/internal client
  • Coordinate Production upgrade with operation teams with CR
  • Provide a status with management and get approval

Mainframe Production support Lead Analyst / Zeke admin - CDS/TMX - Toronto, Ontario

(2008-07 - 2025-06)

Provide technical support for entire CDS production IBM Mainframe region:

  • Zos/MVS, CICS, DB2, JCL, COBOL, VSAM, FTP/SFTP, Connect Direct, Changman, ACR(automated control report), AOC(automation), Axway & AIX
  • Involved in production and test region problem debugging and fixing
  • Solving day-to-day production problems by creating tickets and Client requests
  • Supporting Axway hub file transmissions
  • Supporting Client UAT testing in lower regions and deploy to production
  • Set up new Client SFTP/FTP & Connect Direct connection for all regions
  • Managing and maintaining the integrity of the complex production automated schedule in Zeke, including exception holiday processing for CA & US market
  • Lead and co-ordinate implementation, support and maintenance events
  • Manages and prioritizes production problems and follow up overnight issues
  • Experience in managing IBM SILO tape storage system
  • Creating documentation of program, record layout, flowchart and system flow
  • Giving the afterhours support for system testing DR and implementation
  • Review production CR(change request) process and give a feed back
  • Production changes deploy via ChangeMan packages.
  • Participate Incident management process
  • Communication with team member for problem escalation & education
  • On call for critical enterprise batch processing cycle and escalation point of taking decision on the fly

Mainframe Conversion operation (PMO) - TELUS - Scarborough, Ontario

(2006-02 - 2007-03)

  • Involved in conversion project plan with project management
  • Led project status meetings, managed project schedules, managed issues and reported Progress to ensure project milestones and objectives were met
  • Build conversation bridge to communicate with other teams: Legacy/New stack systems
  • Responsible for notification and problem escalation to support teams and project management
  • Mapped and documented changes to operation and system flow (legacy/New stack)
  • Conversation included: Zos/MVS, Cobol, DB2, IMS, VSAM and Unix
  • Communication with team member for problem escalation

Mainframe Programmer Analyst - PROCOR LIMITED - Oakville, Ontario

(2000-06 - 2005-08)

  • Involved in analysis and designing of the specifications for on-line (CICS) application and batch programs
  • Preparation of user documentation coding, Unit testing and system testing preparation of test specification and implementation (SDLC)
  • Developed new programs in COBOL, CICS, DB2/IMS, VSAM and MVS/JCL
  • Responsible for notification and problem escalation to support Staff and Senior Management (Ticket issued)
  • Designs and documents in detail all system components, their interfaces and operational environment
  • Developed new programs and other components implemented via ChangeMan packages.
  • Supports systems in test and production mainframe applications in a COBOL environments; does problem resolution/debugging
  • On call for batch process, backup, recovery and production support

Education

Diploma - computer Programming Analyst - Centennial College Scarborough, Ontario

Master – Certificate course - Mainframe - Maintec Technologies pvt. Ltd

B.Sc. (Honors) - Computer System Designing - National Institute of Business Management

Skills

Mainframe Senior CICS/Adabas Programmer

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