Senior Solutions Architect — Application Modernisation

Opdrachtomschrijving

We are modernising a portfolio of legacy line-of-business applications — spanning Oracle APEX / PL/SQL and mainframe workloads — into cloud-native Java / Spring Boot services with an Angular front end, running on AWS EKS. Mainframe migration and decommissioning is one of our major local IT initiatives. We are looking for a senior Solutions Architect who brings the right mindset to that challenge: someone who will dig into systems no one fully understands any more, recover how they actually behave, design the path to a modern target, and plan the orderly retirement of what they replace. You will be backed by AI tooling and internal accelerators we are actively building, and by mainframe SMEs — so the priority is investigative drive, sound architectural judgement and ownership, not prior depth in every legacy technology in the estate.

This is primarily an analysis, discovery and planning role spanning both the APEX and mainframe estates. The architect leads assessment, owns the target architecture, migration patterns, decommissioning plan, sequencing and risk picture, and partners with mainframe SMEs for deep COBOL-level analysis. Hands-on architecture and design governance are part of the job, but day-to-day build leadership is not the main focus — candidates looking for a pure delivery-lead role are unlikely to be a fit.

You won't be doing this with grep and willpower alone. We are building AI tooling and internal accelerators to speed up legacy code comprehension, translation and parity testing, and you'll have access to mainframe SMEs for deep COBOL-level analysis. We want someone who treats those as force multipliers — and who has ideas about how to make them better.

Key responsibilities

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