Mainframe Application Architect

Position Overview

We are seeking an experienced Mainframe Application Architect to lead the modernization of our mission-critical mainframe systems. This role combines deep technical expertise with strategic thinking to guide our transition from z/OS to z/Linux while maintaining system integrity and operational excellence. The successful candidate will join a legacy system engagement spanning over four decades, bringing fresh perspectives to modernization while preserving essential business functionality.

Key Responsibilities

• Architect and lead the strategic migration from z/OS to z/Linux environments, ensuring continuous system availability and performance
• Design and implement scalable mainframe solutions that align with business objectives and cost optimization goals
• Develop comprehensive migration plans for transitioning from IMS to DB2, including data conversion strategies and validation frameworks
• Lead the phase-out of legacy Broadcom products while maintaining system stability and minimizing business impact
• Collaborate with cross-functional teams to integrate migration activities with existing release schedules
• Provide technical leadership in identifying and mitigating risks throughout the modernization journey
• Create and maintain architectural documentation, including transition plans, design patterns, and best practices
• Mentor team members on mainframe modernization techniques and emerging technologies

Required Qualifications

• 10+ years of experience in mainframe architecture, with substantial exposure to both z/OS and z/Linux environments
• Proven track record of successful large-scale mainframe modernization projects

Deep technical expertise in:

• z/OS and z/Linux operating systems
• IMS and DB2 database management systems
• Broadcom mainframe products and their alternatives
• System performance tuning and optimization
• High-availability architecture design
• Strong understanding of mainframe security principles and compliance requirements
• Experience with mainframe disaster recovery and business continuity planning

Preferred Qualifications

• Experience with hybrid cloud architectures involving mainframe systems
• Knowledge of modern DevOps practices in mainframe environments
• Background in cost optimization strategies for mainframe operations
• Certifications in relevant mainframe technologies
• Experience with automated testing and deployment tools for mainframe applications

Essential Skills

• Strong analytical and problem-solving capabilities
• Excellent communication skills for engaging with technical and non-technical stakeholders
• Ability to balance technical debt reduction with business continuity requirements
• Strategic thinking with attention to detail
• Leadership experience in guiding teams through complex technical transitions