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SRE Lead

Fiserv
onsite
Dublin, Ireland Posted Jul 5, 2026

About this role

SRE Lead

About your role: At Fiserv, we are modernising a high-volume global payment processing platform — migrating from a legacy monolithic PL/SQL core to a cloud-native, event-driven microservices architecture on AWS. This is a ground-up build across different business domains. Confluent Cloud for event streaming, Aurora PostgreSQL for persistence, EKS (Kubernetes) for compute, and a modern Java/Quarkus stack throughout. As a Site Reliability Engineer, you will own the production readiness and operational health of the new platform as services go live. You will ensure that what we build is observable, resilient, and operable — bridging the gap between engineering teams building services and the reality of running a payment platform that processes millions of transactions daily.

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