As an L2 Technical Support Leader at the company, you will be responsible for providing strategic technical leadership in the integration and middleware domain. Your key responsibilities will include:
- End-to-End Traceability: Lead the team in tracing transaction flows from the API Gateway (API Connect) through the Enterprise Service Bus (ACE) to the backend Microservices (Spring Boot).
- Root Cause Analysis (RCA): Spearhead deep-dive investigations into middleware failures, including message losses in MQ, synchronization errors in ACE, or JVM crashes in Spring Boot.
- Platform Governance: Oversee the stability of integration components running on Red Hat OpenShift, ensuring optimal resource (CPU/Memory) allocation and pod scaling.
- Security Enforcement: Manage and troubleshoot security protocols, including Mutual TLS (mTLS), OAuth2, and JWE/JWS within the integration layer.
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Detailed Technical Responsibilities:
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IBM Cloud Pak for Integration (CP4I):
- App Connect Enterprise (ACE): Troubleshoot message flows, ESQL logic errors, and adapter connectivity issues.
- IBM MQ: Manage queue managers, resolve channel retries, and investigate dead-letter queues or message persistence issues.
- API Connect: Address issues related to API definitions, security policies, and Gateway (DataPower) latency.
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Backend Microservices (Spring Boot):
- Performance Tuning: Analyze JVM thread dumps and heap dumps to resolve memory leaks or high CPU utilization.
- Connectivity Debugging: Troubleshoot Spring Boot integration with databases and external messaging systems.
- Log Aggregation: Utilize ELK/Splunk to correlate logs across multiple microservices to identify points of failure.
Technical Skill Set:
- Mastery of IBM CP4I (specifically ACE, MQ, and API Connect).
- Advanced knowledge of Java and Spring Boot (Spring Integration, Spring Cloud).
- Expert-level proficiency in Red Hat OpenShift and Kubernetes.
- Expert understanding of REST, SOAP, JSON, XML, AMQP, and MQTT.
- Hands-on experience with monitoring tools such as IBM Instana, Dynatrace, or Prometheus/Grafana.
At the company, we prioritize building strong connections and community, supporting wellbeing, productivity, individual work styles, and life circumstances. We are committed to fostering an inclusive environment where everyone can thrive.
