Mainframe zOS Admin-L3 at Tata Consultancy Services in Plano, Texas

Posted in Other 14 days ago.

Type: full-time





Job Description:

Strong Hands on experience in z/OS and ISV Products installation, customization and upgrade using SMP/E

Install, customize, test, implement, document, and support independent software vendor (ISV) products as required (this includes user modifications that require customization for release levels or related to site requirements) and work with the vendors on problems and resolution

Use IBM SMP/e to successfully receive and apply z/OS software and other related software on an IBM Mainframe. This includes interpreting SMP/e output messages to resolve software installation issues and requirements, use SMP/e panels to manage software installation packages, define SMP/e required parameters to successfully install and maintain OS and associated software products.

Experience working with z/OS, JES2, SMP/E, TSO, IOCP/HCD, Parallel Sysplex

The candidate will be required to provide production off hour coverage (if necessary) and support periodic weekend implementations

Create, populate, secure and troubleshoot IBM z/OS USS (UNIX Systems Services) file systems and mount points. Manage the USS environment on an IBM z/OS mainframe platform.

Create/update and debug z/OS parameters using PARMLIB

Plan, create and update accurate, detailed documentation for IBM z/OS mainframe platform software/hardware installation/upgrades

Use IBM z/OS mainframe communications products, including Virtual Telecommunications Access Method (VTAM), Transmission Control Protocol/Internet Protocol (TCP/IP), and File Transfer Protocol (FTP).

Create, update, and debug Job Entry Subsystem (JES2) parameters and statements.

Fully understand z/OS services structure, JES concepts, parallel sysplex, Catalog management

Expertise in tuning and debugging performance problems for z/OS systems including application workloads

Perform problem diagnostics and resolution. Monitor system performance and tune when required

Capable of z/OS Performance Analysis using various tools such as IBM's RMF, SMF and subsystem analysis tools

Knowledge in designing CFRM structures.

Installing z/OS upgrade knowledge
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