Elite Mainframe z/OS Security & Performance SRE

Tata Consultancy Services Limited; Cary (NC); On-site; USD 80,000 - 90,000; Full time

Job summary

Tata Consultancy Services Limited in Cary, NC is seeking an experienced Mainframe z/OS Security & Performance SRE to lead architecture, design and implementation of secure, resilient mainframe solutions. You will drive performance tuning, capacity management, and automation with Ansible, Python and OpenShift.

The role requires technical leadership across engineering, operations and modernization teams, with expertise in z/OS, WLM, RACF, PR/SM, and related technologies.

Qualifications

• Expertise in z/OS security, performance and capacity management.
• Experience with zLinux systems programming.
• Familiarity with disaster recovery patterns and modernization.
• Demonstrated leadership across cross-functional teams.

Responsibilities

• 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 and stakeholder management.

Skills

IBM z/OS

WLM

RACF

PR/SM

SMF/RMF

Ansible

Python

OpenShift

Tools

Ansible

Python

OpenShift

Job description

Tata Consultancy Services Limited in Cary, NC is seeking an experienced Mainframe z/OS Security & Performance SRE to lead architecture, design and implementation of secure, resilient mainframe solutions. You will drive performance tuning, capacity management, and automation with Ansible, Python and OpenShift.

The role requires technical leadership across engineering, operations and modernization teams, with expertise in z/OS, WLM, RACF, PR/SM, and related technologies.