Principal Integration & Platform Reliability Architect

About the role

Our client, a forward‑thinking IT consultancy, is strengthening its enterprise integration function and is seeking a senior technical leader to drive reliability, performance, and full transaction traceability across complex integration and micro‑services environments.

Key responsibilities

• Ensure reliable end‑to‑end movement of transactions across API Connect, ACE, and Spring Boot services, maintaining clear visibility of every integration path.
• Lead technical investigations and root‑cause analyses for issues such as MQ delivery failures, ACE flow disruptions, or JVM instability.
• Monitor and optimise Red Hat OpenShift environments, adjusting workloads and scaling pods to meet demand.
• Enforce security controls across the integration layer, handling mTLS, OAuth2, token validation, and encrypted payloads.
• Diagnose and resolve integration issues involving Spring Boot, JPA/Hibernate, JMS/Kafka, databases, and external systems.

Required profile

• 5+ years of experience as a Principal Integration & Platform Reliability Architect or similar senior role.
• Strong expertise with IBM Cloud Pak for Integration components (ACE, MQ, API Connect).
• Advanced Java and Spring Boot knowledge, including Spring Integration and Spring Cloud.
• Hands‑on experience with Red Hat OpenShift and Kubernetes in enterprise settings.
• Proven track record in root‑cause analysis, distributed‑systems debugging, and platform reliability.

Required skills

• Java, Spring Boot, Spring Integration, Spring Cloud
• IBM ACE, IBM MQ, API Connect, DataPower gateway
• Red Hat OpenShift, Kubernetes
• REST, SOAP, JSON, XML, AMQP, MQTT
• Instana, Dynatrace, Prometheus, Grafana, ELK, Splunk
• JPA/Hibernate, JMS, Kafka