Senior Mainframe z/OS Systems Programmer

ZettaMine Labs Pvt. Ltd.; Bengaluru; Sur place; INR 4 000 000 - 6 000 000; Plein temps

Résumé du poste

ZettaMine Labs Pvt. Ltd. in Bengaluru seeks a Senior Mainframe z/OS Systems Programmer to lead IBM Mainframe environments, manage z/OS installations, upgrades, and performance across multiple LPARs.

Ideal candidates have 8+ years of hands-on z/OS internals, USS, SMP/E, REXX, VSAM, JES, ISPF, TSO, and JCL, plus DR planning and ISV support experience. Immediate/15 days notice welcomed.

Qualifications

• 6+ years of experience in IBM Mainframe z/OS System Administration / System Programming.
• Hands-on experience in z/OS operating system administration, system internals, subsystem interactions, and system components.
• Strong experience with Unix System Services (USS).
• SMP/E installation, maintenance, software upgrades, and service management experience.
• Strong knowledge of REXX, Java, VSAM, JES, ISPF, TSO, and JCL.
• Experience in mainframe work management, user management, journal management, and performance management.
• Strong experience in third-party ISV product installation, administration, maintenance, and troubleshooting.
• Experience in z/OS system diagnostics, problem determination, root cause analysis, and resolution.
• Hands-on experience in system performance analysis, monitoring, and optimization.
• Experience with z/OS releases, upgrades, patches, and component software changes.
• Experience with mainframe IPL activities and production/test environment support.
• Disaster Recovery planning, testing, and execution knowledge.
• Knowledge of IBM Systems Automation, event monitoring, automated recovery, and policy-based automation.
• Experience in incident, change, and problem management processes.
• Strong troubleshooting across mainframe infrastructure, operating systems, subsystems, and applications.

Responsabilités

• Administer, maintain, and support IBM Mainframe z/OS environments.
• Act as SME for z/OS operating systems, system components, and subsystem interactions.
• Plan, install, test, and support z/OS releases, upgrades, patches, and component changes.
• Perform SMP/E software installation, maintenance, and upgrades.
• Provide primary technical support for ISV products.
• Install, configure, evaluate, and maintain new mainframe products as required.
• Diagnose and resolve z/OS platform, infrastructure, subsystem, and third‑party issues.
• Perform root cause analysis and implement permanent corrective actions.
• Monitor system performance and analyze performance-related issues.
• Provide technical consultation and support to infrastructure and application teams.
• Support monthly production and test IPL activities across ~21 LPARs.
• Participate in Disaster Recovery planning, testing, and execution.
• Support event monitoring, automated recovery, and policy-based automation.
• Work with ISPF, TSO, JCL, REXX, GDPS, NetView, z/OSMF, Python, Ansible for admin/automation.
• Support mainframe work management, user management, journal management, and performance management.
• Manage production incidents, service requests, changes, and problem records.
• Utilize ServiceNow for incident, change, and problem management.
• Coordinate with cross-functional teams to troubleshoot infrastructure and applications.
• Lead daily operations meetings during absence of critical P1 incidents.
• Participate in after-hours implementations and production support activities.
• Maintain documentation, procedures, incident reports, and RCAs.
• Act as primary support resource for assigned products and provide backups.

Connaissances

z/OS System Programming

USS (Unix System Services)

SMP/E

REXX

VSAM

JCL

JES

TSO

ISPF

System diagnostics

Performance monitoring

Formation

Bachelor's degree in Computer Science/IT

Outils

z/OSMF

GDPS

NetView

Python

Ansible

RACF

zSecure

Description du poste

We are looking for Senior Mainframe z/OS Systems Programmer with exciting project opportunities.

Location: Pan India

Notice Period: Immediate / 15 Days

Experience: 8+ Years

Relevant Experience: Strong hands‑on experience in IBM Mainframe z/OS System Programming and Systems Administration, including z/OS internals, Unix System Services (USS), SMP/E, JES, REXX, VSAM, system installation, configuration, maintenance, upgrades, performance management, troubleshooting, ISV product support, IPL activities, disaster recovery, and IBM Systems Automation.

Mandatory Skills:

• Minimum 6+ years of experience in IBM Mainframe z/OS System Administration / System Programming.
• Strong hands‑on experience in z/OS operating system administration, system internals, subsystem interactions, and system components.
• Strong experience with Unix System Services (USS).
• Hands‑on experience with SMP/E installation, maintenance, software upgrades, and service management.
• Strong knowledge of REXX, Java, VSAM, JES, ISPF, TSO, and JCL.
• Experience in mainframe work management, user management, journal management, and performance management.
• Strong experience in third‑party ISV product installation, administration, maintenance, and troubleshooting.
• Experience in z/OS system diagnostics, problem determination, root cause analysis, and resolution.
• Hands‑on experience in system performance analysis, monitoring, and optimization.
• Experience supporting z/OS releases, upgrades, patches, and component software changes.
• Experience with mainframe IPL activities and production/test environment support.
• Experience in Disaster Recovery planning, testing, and execution.
• Knowledge of IBM Systems Automation, event monitoring, automated recovery, and policy‑based automation.
• Experience in incident, change, and problem management processes.
• Strong troubleshooting experience across mainframe infrastructure, operating systems, subsystems, and application‑related issues.

Good‑to‑Have:

• Working knowledge of RACF, zSecure, and zSecure Admin.
• Experience with z/OS Management Facility (z/OSMF).
• Knowledge of GDPS and IBM NetView.
• Experience with Python and Ansible automation.
• Knowledge of ZCDP.
• Experience with SAS/SLC.
• Knowledge of IIQ/IDN Connector for RACF.
• Experience with Exstream Dialogue.
• Experience supporting IBM z17 implementation and modernization projects.
• Working knowledge of ServiceNow for incident, change, and problem management.
• Experience supporting multiple LPAR environments.
• Experience with monthly production and test IPLs and annual DR exercises.
• Experience with after‑hours production implementations and maintenance activities.
• Bachelor's degree in Computer Science, Information Technology, or a related field.

Key Responsibilities:

• Administer, maintain, and support IBM Mainframe z/OS operating system environments.
• Act as a technical subject matter expert for z/OS operating systems, system components, and subsystem interactions.
• Plan, coordinate, install, implement, test, and support z/OS releases, upgrades, patches, and component software changes.
• Perform SMP/E software installation, maintenance, and upgrade activities.
• Provide primary technical support for assigned Independent Software Vendor (ISV) products.
• Install, configure, evaluate, and maintain new mainframe products as required.
• Diagnose and resolve z/OS platform, infrastructure, subsystem, and third‑party product issues.
• Perform root cause analysis and implement permanent corrective actions for recurring issues.
• Monitor system performance and analyze performance‑related issues.
• Provide technical consultation and support to infrastructure and application teams.
• Support monthly production and test IPL activities across approximately 21 LPARs.
• Participate in annual Disaster Recovery planning, testing, and execution.
• Support event monitoring, automated recovery, and policy‑based automation activities.
• Work with ISPF, TSO, JCL, REXX, GDPS, NetView, z/OSMF, Python, and Ansible for system administration and automation.
• Support mainframe work management, user management, journal management, and performance management.
• Manage production incidents, service requests, planned changes, and problem records.
• Utilize ServiceNow for incident, change, and problem management activities.
• Coordinate with cross‑functional teams to troubleshoot and resolve infrastructure and application‑related issues.
• Lead daily operations meetings in the absence of critical P1 incidents.
• Participate in after-hours implementations, maintenance windows, and production support activities.
• Maintain technical documentation, operational procedures, incident reports, and root cause analysis documents.
• Act as the primary support resource for assigned products and provide backup support for other products.
• Ensure system availability, stability, performance, and operational compliance.

Who Can Apply?

Minimum 6+ years of experience in IBM Mainframe z/OS System Programming / Systems Administration.

Strong hands‑on experience in z/OS internals, USS, SMP/E, REXX, JES, and VSAM.

Experience in mainframe system installation, maintenance, upgrades, and troubleshooting.

Proven experience supporting third‑party ISV products.

Strong system diagnostics, performance analysis, problem determination, and RCA skills.

Experience with mainframe IPL activities and production/test environment support.

Experience with Disaster Recovery planning and testing.

Knowledge of IBM Systems Automation, event monitoring, and automated recovery.

Working knowledge of RACF, zSecure, z/OSMF, GDPS, and NetView is an advantage.

Experience with incident, change, and problem management processes.

Working knowledge of ServiceNow and flexibility to support after‑hours implementations.

Experience with multiple LPAR environments and large‑scale mainframe infrastructure.

IBM z17 implementation or modernization experience would be an added advantage.

We look forward to connecting with you!!