Summary
DXC Technology is hiring an L2 Technical Support Leader for Integration & Middleware in Riyadh. The role leads investigation and resolution of failures across IBM CP4I components, API gateways, messaging systems and Spring Boot microservices. Responsibilities include tracing transactions, analyzing logs and JVM dumps, managing OpenShift resources, and troubleshooting security and connectivity issues. The posting asks for strong experience with IBM ACE, MQ and API Connect, Java and Spring Boot, and container platforms; salary and visa conditions are not stated.
The posting
As published on dxc.com. Pulled from the employer's site and shown as they wrote it.
Job Description:
Strategic Technical Leadership
- 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, such as 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.
Detailed Technical Responsibilities
A. IBM Cloud Pak for Integration (CP4I)
- App Connect Enterprise (ACE): Troubleshoot message flows, ESQL logic errors, and adapter connectivity issues (SAP, Database, File).
- IBM MQ: Manage queue managers, resolve channel retries, and investigate dead-letter queues or message persistence issues.
- API Connect: Resolve issues related to API definitions, security policies, and Gateway (DataPower) latency.
B. Backend Microservices (Spring Boot)
- Performance Tuning: Analyze JVM thread dumps and heap dumps to resolve memory leaks or high CPU utilization in microservices.
- Connectivity Debugging: Troubleshoot Spring Boot integration with databases (JPA/Hibernate) and external messaging systems (JMS/Kafka).
- Log Aggregation: Utilize ELK/Splunk to correlate logs across multiple microservices to identify points of failure in a distributed architecture.
Technical Skill Set
- Integration Platforms: Mastery of IBM CP4I (specifically ACE, MQ, and API Connect).
- Development Frameworks: Advanced knowledge of Java and Spring Boot (Spring Integration, Spring Cloud).
- Containerization: Expert-level proficiency in Red Hat OpenShift and Kubernetes.
- Protocols & Standards: Expert understanding of REST, SOAP, JSON, XML, AMQP, and MQTT.
- Monitoring Tools: Hands-on experience with IBM Instana, Dynatrace, or Prometheus/Grafana.
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