Field CTO – Mainframe Modernization
Core
Senior technical authority leading the architectural understanding and modernization of complex mainframe estates for Fortune 500 clients, ensuring system-level correctness while transitioning to modern environments.
Role type
Senior IC Field CTO (Mainframe Modernization)
Builds
Automated platform capabilities for discovering, transforming, and validating complex mainframe applications
Domain
Enterprise IT, Mainframe Systems, Cloud Modernization
Deliverable
production ML models
Required skills
IBM Z and z/OS architecture, CICS, Db2, IMS, JCL, VSAM, Parallel Sysplex, RACF, MQ, batch scheduling, complex transaction processing, concurrency management, recovery mechanisms, distributed systems, cloud architectures
Preferred skills
AI and autonomous engineering approaches, executive communication, strategic partner engagement, technical thought leadership
Technologies
IBM Z, z/OS, CICS, Db2, IMS, JCL, VSAM, Parallel Sysplex, RACF, MQ
Responsibilities
Lead architectural understanding of application logic, data models, and runtime behavior across mainframe estates; Design target-state architectures preserving business logic and operational guarantees; Partner with engineering to turn modernization challenges into automated platform capabilities; Build trusted relationships with CIOs and CTOs to lead technical discovery and validation; Serve as a senior technical counterpart to cloud providers and systems integrators; Define long-term technical vision for mainframe modernization
Seniority
Senior, hands-on IC
