Middleware Architect (IBM i / Integration)

One of our leading client is looking for Middleware Architect (IBM i / Integration) 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.)