Senior Application Support Engineer (Integration & Middleware)

DXC Technology; Riyadh; On-site; SAR 250,000 - 450,000; Full time

Job summary

DXC Technology in Riyadh is seeking an Integration Support engineer to ensure the health and reliability of the enterprise middleware layer, focusing on Spring Boot services and IBM CP4I components (ACE, MQ, API Connect).

You will troubleshoot, perform RCA, and optimize performance on Red Hat OpenShift, while enforcing security protocols across the integration stack. The role requires 5+ years in middleware and strong debugging skills.

Qualifications

• 5+ years of middleware or integration support experience.
• Currently residing in KSA.
• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• IBM Cloud Pak for Integration Specialist or Red Hat OpenShift Administration certs preferred.
• Strong debugging of asynchronous communication patterns and distributed transactions.

Responsibilities

• Troubleshoot and maintain health and reliability of enterprise middleware.
• Trace transactions end-to-end from API Connect to backend services.
• Perform RCA for middleware failures and optimize performance.
• Govern OpenShift platform resources and pod scaling.
• Enforce security protocols including mTLS and OAuth2 across the integration layer.
• Triage and resolve issues in ACE, MQ, API Connect.

Skills

IBM CP4I

ACE

MQ

API Connect

Java

Spring Boot

OpenShift

Kubernetes

REST/SOAP/JSON/XML

AMQP/MQTT

Monitoring tools (Instana/Dynatrace/G!

Education

Bachelor's degree in Computer Science or Software Engineering

Tools

Red Hat OpenShift / Kubernetes

IBM CP4I (ACE, MQ, API Connect)

ELK / Splunk

Prometheus / Grafana

JVM performance tooling

Job description

Core Stack: IBM CP4I (ACE, MQ, API Connect), Spring Boot, Red Hat OpenShift.

1. Role Objective

The Integration Support is responsible for the health and reliability of the enterprise middleware layer. the L2 engineers to manage complex data flows between systems, ensuring that Spring Boot services and IBM CP4I components (MQ, ACE, APIC) are performant, secure, and highly available.

2. Strategic Technical Leadership

• End-to-End Traceability: 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.

3. 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.

4. 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.

5. Qualifications

• Experience: 5+ years in Middleware or Integration Support
• Currently residing in KSA
• Complex Problem Solving: Ability to debug asynchronous communication patterns and distributed transactions.
• Education: Bachelor's degree in Computer Science, Software Engineering, or a related field.
• Certifications (Preferred): IBM Cloud Pak for Integration Specialist, Red Hat Certified Specialist in OpenShift Administration.

6. Key Performance Indicators (KPIs)

• Integration Uptime: Achieving 99.99% availability for critical middleware components.
• L2 Resolution Rate: Maximizing the number of integration issues resolved without escalation to L3 Engineering.
• MTTR: Reducing the time taken to identify and fix failures in the message delivery pipeline.