Mainframe z/OS Security & Performance SRE

Role: Engineer

Required Skills: Mainframe

Experience: 6 - 12 Years

Function: TECHNOLOGY

Apply By: 2026-12-11

Mainframe z/OS Security & Performance SRE

• IBM z/OS, WLM, RACF, PR/SM, storage and related mainframe technologies
• SMF/RMF performance telemetry analysis, capacity management and performance tuning
• zLinux systems programming and hybrid mainframe architecture
• Business continuity, resilience and disaster-recovery design using CSM, Metro Mirror, Global Mirror, Safeguarded Copy, HyperSwap and site-swap patterns
• Automation using Red Hat Ansible for IBM Z, Ansible and Python
• OpenShift, DevOps, mainframe modernization, integration and migration
• Lead the architecture, design and implementation of secure, resilient and high-performing mainframe solutions.
• Provide technical leadership to mainframe engineering, operations and modernization teams.
• Establish intake and change processes for new workloads and tune z/OS, zLinux, WLM and PR/SM.
• Support BCP and resilience design using Ansible, CSM, Metro Mirror, Global Mirror, Safeguarded Copy, HyperSwap and data-center site swaps.
• Review SMF/RMF telemetry and application traces with stakeholders to improve capacity, availability, security and performance.
• Troubleshoot and resolve z/OS performance incidents; participate in release, change, incident and problem-management processes.
• Define architecture standards, governance, roadmaps and blueprints.
• Evaluate emerging technologies and drive continuous improvement and modernization.
• Lead cross-functional teams and multiple complex initiatives.
• Communicate effectively with business stakeholders, application teams, infrastructure teams and enterprise architects.
• Apply strategic thinking, analytical problem solving, stakeholder management and architectural governance.
• Financial services or insurance industry experience preferred.
• Relevant IBM System Architect or TOGAF certification preferred.

Salary Range- $80,000-$90,000 a year

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