Job Summary
We are seeking an experienced Middleware Architect with strong expertise in IBM i (AS/400) integration environments to design, implement, and support scalable middleware solutions. The ideal candidate will serve as a technical leader across enterprise integrations, ensuring reliable, secure, and high performance connectivity between IBM i systems and distributed platforms.
Experience with MuleSoft and GoAnywhere MFT is highly desirable, with RabbitMQ considered a plus.
Key Responsibilities
Architect, design, and maintain middleware and integration solutions supporting IBM i based systems and distributed applications
Lead integration strategy, including synchronous and asynchronous messaging, APIs, and file transfer solutions
Design and implement integration patterns using MuleSoft (API-led connectivity, REST/SOAP, event-driven architectures)
Support and manage managed file transfer solutions using GoAnywhere MFT
Collaborate with application, infrastructure, and security teams to ensure integrations meet enterprise standards
Drive middleware modernization initiatives and cloud or hybrid integration strategies
Troubleshoot complex integration issues and provide root-cause analysis
Produce architecture diagrams, technical documentation, and middleware standards
Mentor development and operations teams on middleware best practices
Ensure integrations meet performance, scalability, reliability, and security requirements
Required Qualifications
7+ years of experience in middleware, integration, or enterprise architecture roles
Strong hands-on knowledge of IBM i (AS/400) environments and related integration techniques
Experience integrating IBM i systems with distributed platforms and external partners
Proficiency with middleware concepts including APIs, messaging, ETL, and event-driven architectures
Experience working in large enterprise or highly regulated environments
Strong communication skills with the ability to explain complex technical solutions to non-technical stakeholders
US work authorization required
Preferred / Nice-to-Have Qualifications
Hands-on experience with MuleSoft Anypoint Platform
Experience implementing or supporting GoAnywhere Managed File Transfer (MFT)
Experience with RabbitMQ or other message brokers (Kafka, IBM MQ, etc.)
Exposure to cloud platforms (AWS, Azure, or GCP)
Experience with DevOps, CI/CD pipelines, and infrastructure automation
Middleware security experience (encryption, certificates, OAuth, SAML, etc.)
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