Mainframe System Engineer

This position is also eligible for Cognizant’s discretionary annual incentive program, based on performance and subject to the terms of Cognizant’s applicable plans.

In this role, you will

• Administer and maintain IBM z/OS environments (z/OS 3.1 and above) ensuring high availability and reliability

• Perform mainframe LPAR builds, system configuration, and environment setup

• Execute z/OS upgrades, including installation of patches, fixes, and system enhancements

• Install, configure, and maintain ISV products

• Manage system parameters including PARMLIB maintenance

• Monitor and analyze system performance using RMF and SMF, and provide performance reports

• Configure and administer z/OSMF (z/OS Management Facility)

• Support and maintain Parallel Sysplex environments

• Manage and resolve z/OS-related incidents and production issues

• Optimize workload management using WLM

Additional Responsibilities

• Conduct data review analysis, provide summaries, and recommend improvements

• Manage certificate inventory and renewal for applications across the environment

• Configure and validate AT-TLS (Application Transparent Transport Layer Security)

• Perform ZFS (z/OS File System) operational tasks

• Analyze and resolve Connect:Direct issues, including configuration and troubleshooting

• Collaborate with DB2 teams on Precisely POC (Proof of Concept) tasks

• Implement and manage ICSF (Integrated Cryptographic Service Facility) encryption

We are seeking a highly skilled z/OS Administrator / Mainframe System Engineer to manage and support enterprise mainframe environments. The ideal candidate will have deep expertise in IBM z/OS systems, strong experience in system upgrades, security, performance tuning, and hands-on exposure to advanced mainframe components including encryption, networking, and storage subsystems., + 8+ years of experience in IBM z/OS operating systems

• Hands-on experience with Parallel Sysplex architecture

• Proficiency in SMPE (System Modification Program Extende

The annual salary for this position is between $75,000 to $90,000 depending on experience and other qualifications of the successful candidate.