L2 Application Support Engineer (Integration & Middleware)

DXC Technology; Saudi Arabia; On-site; SAR 250,000 - 350,000; Full time

Job summary

DXC Technology, a global leader in technology services, seeks an Integration Support specialist in KSA to maintain enterprise middleware health and reliability. You will work with IBM CP4I ACE MQ API Connect and Spring Boot microservices on Red Hat OpenShift, ensuring high availability and secure, efficient data flows.

Responsibilities include end-to-end tracing, RCA for middleware issues, JVM tuning, and log correlation with ELK/Splunk.

Qualifications

• 5+ years in Middleware or Integration Support.
• Currently residing in KSA.
• Bachelor's degree in Computer Science or Software Engineering or related field.
• Certifications preferred: IBM Cloud Pak for Integration Specialist, Red Hat OpenShift Administration.

Responsibilities

• Troubleshoot message flows and connectivity in IBM CP4I ACE and API Connect.
• Lead RCA investigations for middleware failures and message-persistence issues.
• Tune and debug Spring Boot microservices and JVM performance.
• Monitor OpenShift resource usage and ensure pod scaling and reliability.
• Trace end-to-end transactions from API gateway to backend services; correlate logs with ELK/Splunk.

Skills

IBM CP4I ACE MQ API Connect

Java

Spring Boot

OpenShift Kubernetes

REST SOAP JSON XML

MQ JMS Kafka

Security: mTLS OAuth2

Monitoring: Dynatrace Prometheus Grafa

ELK Splunk

Education

Bachelor's degree in Computer Science or Software Engineering

Tools

IBM MQ

IBM CP4I ACE

API Connect

OpenShift

Kubernetes

DataPower

ELK

Dynatrace

Prometheus

Grafana

Job description

Job Description Core Stack

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

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 amp Standards Expert understanding of REST SOAP JSON XML AMQP and MQTT Monitoring Tools Hands-on experience with IBM Instana Dynatrace or Prometheus Grafana

Qualifications

Experience 5 years in Middleware or Integration SupportCurrently residing in KSAComplex 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

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

At DXC Technology we believe strong connections and community are key to our success Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing productivity individual work styles and life circumstances We re committed to fostering an inclusive environment where everyone can thrive

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5+ years in Middleware or Integration SupportCurrently residing in KSAComplex 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.