Mainframe Infra administrator

1 day ago

Singapore WIPRO LIMITED (SINGAPORE BRANCH) Full time
Roles & Responsibilities

Wipro Limited is a leading global information technology, consulting and business process services company. We harness the power of cognitive computing, hyper-automation, robotics, cloud, analytics and emerging technologies to help our clients adapt to the digital world and make them successful.

A company recognized globally for its comprehensive portfolio of services, strong commitment to sustainability and good corporate citizenship, we have over 220,000 dedicated employees serving clients across six continents. Together, we discover ideas and connect the dots to build a better and a bold new future.

Mainframe Infra administrator

Responsibility & Requirement

  • Perform required actions to build-out the mainframe infrastructure environment to support the development,testing, and validation of all legacy and new development.
  • Support the COB test, execute and recovery activities.
  • Implement day-to-day mainframe support requirements (post-build) for online and batch activities across all
  • legacy and new development environments. Support Development, Conversion, Pre-IST, IST, UAT, Stress,
  • PAT and Production; code and data release across all Environments.
  • Execution of release management for all new development releases across all Mainframe environments.
  • Maintain all release management documentation and procedures.
  • Support all production and non-production releases using ERO and Changeman.
  • 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.
  • Perform environmental requirements to Implement the Phase Plan requirements for Development, Pre-IST, IST, UAT, PAT and Production environments.
  • Maintain up-to-date environmental diagrams including all application components.
  • Perform CICS refresh request based on Request with necessary approval.
  • Participation in yearly DR and other major activities.
  • 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.
  • Update & maintain environmental configuration documentation/diagrams including all application components.
  • Coordinate with PMO/Testing team for updating calendar Id and Run period.
  • 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
  • Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
  • 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.


Required Skills:

  • IBM Mainframe MVS/ZOS, Mainframe Infrastructure, Batch & Release Management
  • Strong IT Knowledge and understanding of IT operational environment is must.
  • Must have proven record in Handling CICS, NDM, MQ Security Privilege IDs, and database set-up activities.
  • Should be able to handle Loop Checks process, Variable Table updates, Release, Hold, ETT, SETA and Special resources.
  • Minimum experience of 6 years in related field.
  • Minimum Degree in related field.

We thank all applicants for your interest but regret to inform that only shortlisted candidates would be notified.

We are an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, caste, creed, religion, gender, marital status, age, ethnic and national origin, gender identity, gender expression, sexual orientation, political orientation, disability status, protected veteran status, or any other characteristic protected by law.


Tell employers what skills you have

ISPF
COBOL
Stress
Release Management
Mainframe
IBM Mainframe
JCL
Trend Analysis
Value Stream Mapping
TSO
DB2
Business Process
VSAM
Debugging
CICS

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