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Mainframe Infra Administrator

3 weeks ago

Singapore Wipro Limited Full time

Singapore, Singapore
- Tech Hiring
- 3119612

**Job Description**:
**Job Title**:
Mainframe Infrastructure, Batch & Release Management Project Lead

**Roles and Responsibilities**:
? Assemble mainframe usage statistics and prepare trend analysis for weekly reporting.
? Attend scheduled meeting representing the Infrastructure team and share meeting minutes on regular basis.
? Driving daily, weekly and Monthly call with client to share the operational status, discuss major / upcoming activities and automation opportunities.
? Coordination implementation activities with Developers, Operations and CTI.
? Create and execute the CHG, REQ, Incidents, CREQ and EPR tickets.
? Must have proven record in Handling CICS, NDM, MQ Security Privilege IDs, and database set-up activities.
? Perform environmental requirements to Implement the Phase Plan requirements for Development, Pre-IST, IST, UAT, PAT and Production environments.
? Perform CICS refresh request based on Request with necessary approval.
? Participation in yearly DR and other major activities.
? Strong IT Knowledge and understanding of IT operational environment is must.
? Execute all code promotion across all environments outside of Development.
? Execute all production release activities.
? Execute the COB test plan, COB implementation plan and COB recovery plan. In addition, record testing results, and leading corrective actions from any tests/implementations.
? Execution of overall Release Management procedures and support of ChangeMan ERO solution.
? Perform scheduled change to all the supported LPARS and Maintain comprehensive Infrastructure Document, Component list and diagrams.
? Obtain release management usage statistics and provide input for trend analysis with weekly reporting.
? Primary implementer for all Mainframe RFCs.
? Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
? Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions, Work with teams on process improvement and produce necessary metrics to show progress.
? Support all Release Management COB plan execution during testing and actual implementation.
? Track all required environment changes/Post build/ release management changes and ensure consistency across all environments.
? Coordinate with PMO/Testing team for updating calendar Id and Run period.
? Should be able to handle Loop Checks process, Variable Table updates, Release, Hold, ETT, SETA and Special resources.
? Environment Support for Refresh and Conversion Load activities.
? Ensuring all critical batch streams like nightly batch etc completes on time, Proper resolution should be shared to respective groups.
? Release batch with adherence to SLA.
? Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
? Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
? Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation.
? Help teams implement value stream mapping and prioritization of countermeasures, based on DevOps/Agile/Lean principles in order to achieve specific measurable results.
? Be a part of a DevOps Enablement team, helping multiple cross-functional delivery teams with the adoption of DevOps cultural and technical practices.
? Perform ad hoc duties as requested as requested by Manager.
? Ensure all SLAs are achieved.

**Skills Required**:
? 15+ years of hands-on working experience with IBM Mainframe MVS/ZOS environments as a Developer/Infra Admin/Batch Monitoring and Support role.
? Experience with TSO, CICS, COBOL, SAS, JCL, DB2, VSAM, Xpeditor, Fileaid, ChangeMan, InfoMan, and Batch Scheduling using TWS.
? Should be an expert in Rexx and Clist to automate environment activities spread across 30+ Mainframe Lpars. Must have developed tools that’s are highly CPU efficient.
? Must have good hands on experience with release tools ERO and Changeman.
? Must have experience working on storage products that involves creation of files that are replicated across environments and Lpars in Bulk. Must have handled different files types and should be capable to move/copy/delete/Define files from one environment to another in bulk. Should be capable to find a supporting solutions for any variations.
? Should have experience with Mainframe CICD tools. Must have worked as an Admin for RTC and Bitbucket source code management tools.
? Should have experience with Mass DB2 Load Unload activities, Should have experience in handling issue with DB2 failures.
? Must have experience working with Numerous CICS regions. Must have handled Mass changes for CICS CSD definitions, File issues. Short on storage and oth