L2 Application Support Engineer (Integration & Middleware)
Core
Ensure health and reliability of enterprise middleware layer, managing complex data flows between systems to keep Spring Boot services and IBM CP4I components performant, secure, and highly available.
Role type
L2 Application Support Engineer (Integration & Middleware)
Builds
Enterprise middleware layer connecting API Gateways, Enterprise Service Buses, and backend Microservices
Domain
Enterprise Integration, Middleware, Cloud-Native Infrastructure
Deliverable
production ML models | product features | dashboards & analysis | infrastructure
Required skills
IBM CP4I (ACE, MQ, API Connect), Java, Spring Boot, Red Hat OpenShift, Kubernetes, REST/SOAP/JSON/XML/AMQP/MQTT, JVM debugging, ELK/Splunk, IBM Instana/Dynatrace/Prometheus
Preferred skills
IBM Cloud Pak for Integration Specialist certification, Red Hat Certified Specialist in OpenShift Administration
Responsibilities
Troubleshoot message flows, ESQL logic errors, and adapter connectivity issues in ACE; Manage queue managers and resolve channel retries or dead-letter queue issues in IBM MQ; Resolve API definition, security policy, and Gateway latency issues in API Connect; Analyze JVM thread and heap dumps to resolve memory leaks or high CPU utilization; Troubleshoot Spring Boot integration with databases and external messaging systems; Utilize ELK/Splunk to correlate logs across distributed microservices
Seniority
Mid-Senior, hands-on IC
