Oracle

Principal Mainframe Z/OS System Programmer

Posted On

Feb. 27, 2026

Location

Bengaluru, Karnataka

Experience Level

Professional

Job Type

Permanent

Apply By

Aug. 26, 2026

Job Description

We are seeking an accomplished and innovative Mainframe z/OS Systems Programmer(IC4) to drive strategy, architecture, and hands-on excellence within our enterprise mainframe environments. In this senior individual contributor role, you will be a technical authority, leading the design, integration, and optimization of z/OS systems and related technologies across complex, high-availability environments. You will shape roadmap decisions, mentor team members, and serve as a strategic advisor to technical leadership and key customers.

Key Responsibilities:

· Provide technical leadership and strategic direction for the design, implementation, migration, and continuous improvement of enterprise-scale z/OS environments and their subsystems.

· Serve as a domain expert for critical mainframe technologies: influencing architecture, security, automation, high availability/disaster recovery, and performance strategies.

· Lead and oversee complex system and software upgrades, integrations, and conversions, ensuring zero/minimal downtime for mission-critical workloads.

· Architect and optimize storage management, system tuning, and capacity planning, proactively identifying performance bottlenecks and inefficiencies.

· Define and enforce enterprise-wide standards, processes, and policies for mainframe system management in alignment with business and compliance objectives.

· Mentor and coach other systems programmers, fostering technical growth and succession planning within the organization.

· Drive cross-team collaborations (application, infrastructure, security, business continuity) and provide thought leadership in technical forums.

· Shape and execute automation, monitoring, and recovery strategies-using advanced scripting (JCL , Assembler, CLIST) and orchestration tools.

· Champion the adoption of new tools, technologies, and innovative practices within the mainframe ecosystem.

· Lead root cause analysis for major system incidents, providing executive-level summaries and continuous improvement recommendations.

· Responsible for all the IBM operating systems and all 3rd party software running on these mainframes are kept at supported levels. Perform upgrades as necessary.

· Act as a senior point of contact for complex customer escalations, project planning, and external vendor/partner engagements.

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