What success looks like in this role:
Own and drive the enterprise mainframe architecture vision, strategy, and roadmap aligned with business goals
Lead and govern large-scale application modernization initiatives including re-hosting, re-platforming, refactoring, and re-architecting.
Act as the highest-level technical authority for IBM z/OS and mainframe-centered solutions
Lead and govern mainframe modernization and transformation initiatives, including hybrid cloud integration, API enablement, and DevOps adoption
Define and enforce architecture standards, reference architectures, and best practices across mainframe platforms
Provide architectural oversight for capacity planning, performance, scalability, resilience, and cost optimization
Partner with CIO/CTO, Enterprise Architecture, and senior stakeholders to influence technology and investment decisions
Ensure architecture compliance with security, regulatory, audit, and risk management requirements
Evaluate and recommend tools, platforms, and vendor solutions to improve efficiency and innovation




Serve as an escalation authority for critical production and systemic issues, ensuring long-term architectural fixes
Provide technical leadership, design reviews, and risk mitigation guidance across delivery programs.
Mentor architects and senior engineers, setting standards for engineering excellence and technical governance.
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You will be successful in this role if you have:
Bachelor’s or Master’s degree in Computer Science, Engineering, or equivalent experience.
Expert-level knowledge of IBM Mainframe architecture including z Systems, z/OS, Sysplex, and GDPS
Extensive experience with CICS, IMS, DB2, MQ, VSAM, and high-volume transaction systems
Robust background in mainframe application architecture (COBOL, PL/I, Assembler, JCL)
Robust knowledge of legacy mainframe stack (Fujitsu GS21)
Proven expertise in performance engineering, workload management (WLM), and capacity planni

📌 Principal Mainframe Architect Bengaluru
🏢 Unisys
📍 Bengaluru