L2 Technical Support Leader (Integration & Middleware)

DXC Technology Inc.; Riyadh; On-site; SAR 223,200 - 334,800; Full time

Job summary

DXC Technology Inc. is looking for a Strategic Technical Leader in Riyadh, Saudi Arabia. This role involves leading a team in enhancing end-to-end traceability of transaction flows and overseeing the stability of integration components using Red Hat OpenShift. Candidates should possess advanced skills in IBM Cloud Pak for Integration, Java, Spring Boot, and Kubernetes. Experience with troubleshooting middleware issues and security protocols is essential.

Qualifications

• Mastery of IBM CP4I, specifically ACE, MQ, and API Connect.
• Advanced knowledge of Java and Spring Boot frameworks.
• Expert-level proficiency in Red Hat OpenShift and Kubernetes.

Responsibilities

• Lead the team in tracing transaction flows from API Gateway to backend Microservices.
• Spearhead investigations into middleware failures.
• Oversee stability of integration components on Red Hat OpenShift.

Skills

Integration Platforms: IBM CP4I (ACE, MQ, API Connect)

Development Frameworks: Java and Spring Boot

Containerization: Red Hat OpenShift

Protocols & Standards: REST, SOAP, JSON, XML

Monitoring Tools: IBM Instana, Dynatrace, Prometheus/Grafana

Job description

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.