Job Summary:
We are seeking a Middleware L3 Support Engineer / Administrator with 7–9 years of hands-on experience supporting enterprise integration and API platforms in production. The role will own technical troubleshooting, service restoration, problem management, performance optimization, security remediation, and controlled change execution across Landmark’s middleware ecosystem. The ideal candidate can analyse complex cross-platform failures, coordinate with application, infrastructure, network, cloud, security, and vendor teams, and drive incidents through to root-cause closure.
Middleware Scope:
IBM API Gateway; IBM App Connect Enterprise (ACE) and IBM MQ; Azure-hosted ACE and MQ; Kong API Gateway; NGINX API Gateway / reverse proxy; Oracle Integration Cloud (OIC); Oracle Retail Integration Bus (RIB); Managed File Transfer (MFTP); and Azure Service Bus (ASB).
Responsibilities:
Platform Operations:
• Install, configure, administer, monitor, and support the in-scope middleware platforms across non-production and production environments,



including high-availability and disaster-recovery configurations.
• Perform L3 diagnosis and resolution for API, message-flow, queue, integration, file-transfer, authentication, connectivity, latency, throughput, and availability issues; restore service within agreed SLA targets and escalate with complete technical evidence when required.
• Manage IBM ACE/MQ and Azure ACE/MQ components, including message flows, queues, channels, listeners, policies, certificates, connectivity, retries, dead-letter handling, and message reprocessing.
• Support IBM API Gateway, Kong, and NGINX API Gateway / reverse-proxy services, including API publication, routing, policies, authentication, rate limiting, TLS, upstream connectivity, logging, and traffic troubleshooting.
• Support OIC, Oracle RIB, MFTP, and Azure Service Bus integrations, including orchestration, mappings, schedules, endpoints, subscriptions, transfers, failed-message handling, an

📌 MiddlewareSupport Engineer (Bengaluru)
🏢 Landmark Group
📍 Bengaluru