Mainframe z/OS Administrator

Tata Consultancy Services
Full-time Niles, Michigan Computer Occupations
Posted:
June 10, 2026
Location:
Niles, Michigan, United States

Job Description

Must Have Technical/Functional Skills:

·Fully understand z/OS services structure, JESconcepts, parallel sysplex/GDPS, Catalog management

·PARMLIB configuration and JES customization

·Knowledge of JCL, REXX, CLIST and ModifyAssembler EXITS

·Knowledge of z/OS HW, LPAR, HMC

·Knowledge of installing ISV Products

·Knowledge of USS management

·Capable of installing regular maintenance (RSUs)

·Supporting any hardware or software upgrade inthe environment

·Good Knowledge of SMP/E

·Expertise in tuning and debugging performanceproblems 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 usingvarious tools such as IBM's RMF, SMF and subsystem analysis tools

·Capable of designing IODF from scratch

·Knowledge in designing CFRM struct...

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Job Overview

Job Type: Full-time
Location: Niles, United States
Posted: June 10, 2026
Deadline: July 20, 2026