Required Skills

• API-first architectures
• ISO 8583
• Payments
• data migration

Job Summary

We're working with a major organisation delivering a large-scale payments transformation and they're looking for an experienced FIS IST Switch Expert to lead the future architecture of their switching estate.

This is a senior architecture role focused on designing, modernising and optimising the FIS IST platform across ATM, POS and digital payment channels. You'll own target-state architecture, drive resilience and performance improvements, and lead migration from legacy switching platforms while ensuring seamless transaction processing and regulatory compliance.

Key Responsibilities

• Define and own the FIS IST target architecture
• Design highly available, active-active and disaster recovery solutions
• Lead architecture across routing, authorisation, clearing and settlement flows