L2 Application Support Engineer (Integration & Middleware)

Unlock employer Riyadh, Saudi Arabia Direct to Company Posted: 11 Aug 2026

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Financial

Estimate: $60k - $80k*
Zero income tax location

Accessibility

Office Only
No Relocation Support
Visa Provided

Requirements

Experience: Senior
English: Professional

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Position

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

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Core Responsibilities:

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.

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.

Qualifications:

Experience: 5+ years in Middleware or Integration Support.
Current Residency: Must be 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.

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.

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