senior middleware production support engineer - windows banking environment (weekends, shift) IKR

Note: Successful candidates need to be comfortable with working on weekends and shift as and when required

We are seeking a hands-on Senior Middleware Production Support Engineer to support a highly regulated banking environment predominantly hosted on Microsoft Windows Server.

The role requires deep technical expertise across IBM WebSphere Application Server, Oracle WebLogic Server and Apache Tomcat, together with hands-on experience supporting secure enterprise file-transfer platforms such as IBM Connect and SSH Tectia.

This is an operationally intensive position involving middleware administration, production incident resolution, platform patching, application deployment, security remediation, certificate management, disaster-recovery exercises and after-hours support.

Job responsibilities:

• Administer IBM WebSphere Application Server, Oracle WebLogic Server and Apache Tomcat across production and non-production Windows environments.
• Install, configure, upgrade and patch middleware platforms and associated components.
• Configure and manage WebSphere profiles, Deployment Manager, nodes, node agents and clustered environments.
• Administer WebLogic domains, Admin Servers, Managed Servers, Node Manager, clusters and JDBC resources.
• Configure and support Tomcat instances, connectors, JVM parameters, data sources and application deployments.
• Deploy and troubleshoot EAR and WAR applications across WebSphere, WebLogic and Tomcat.
• Perform JVM tuning and investigate high CPU, memory utilisation, stuck threads, connection-pool exhaustion and server-start failures.
• Analyse system, application, JVM and middleware logs to resolve production incidents.
• Support IBM HTTP Server, Oracle HTTP Server and middleware web-server plug-ins.
• Configure and maintain SSL/TLS certificates, Java KeyStores and trust stores.
• Administer IBM MQ connectivity and troubleshoot middleware-to-messaging integration issues.
• Install, configure and support IBM Connect and SSH Tectia.
• Troubleshoot failed or delayed file transfers, node connectivity, authentication, firewall, certificate, cipher and SSH-key issues.
• Perform SSL certificate and SSH-key renewals in accordance with banking security standards.
• Support scheduled file-transfer workflows and dependencies through Control-M.
• Perform middleware vulnerability remediation, security hardening and CVE-related patching.
• Participate in disaster-recovery exercises, failover testing and production recovery activities.
• Develop and maintain deployment scripts, operational procedures, runbooks and technical documentation.
• Provide 24×7 production support through a rotating arrangement as and when required
• Work with application, infrastructure, database, network, security and change-management teams to resolve complex incidents.
• Comply with banking change, incident, problem, security and audit-management processes.
• Any other ad-hoc duties as assigned by supervisor

Job Requirements

• Minimum five years of hands-on middleware administration and production-support experience.
• At least five years of middleware support experience within Microsoft Windows Server environments.
• Strong hands-on administration and troubleshooting experience in all three platforms:
• IBM WebSphere Application Server 8.5.5/9.x
• Oracle WebLogic Server 12c/14c
• Apache Tomcat
• Hands-on experience supporting clustered, high-availability middleware environments.
• Strong experience with application deployment, JVM tuning, log analysis, patching and production-incident resolution.
• Hands-on installation, configuration and troubleshooting experience with:
• IBM Connect
• SSH Tectia
• Experience managing SSL/TLS certificates, Java KeyStores, trust stores, cipher updates and SSH-key lifecycles.
• Experience with IBM HTTP Server or Oracle HTTP Server and application-server plug-ins.
• Working experience with IBM MQ connectivity and middleware integration.
• Experience supporting Control-M scheduled jobs or file-transfer workflows.
• Prior middleware production-support experience within banking or another highly regulated financial-services environment.
• Experience supporting security remediation, audit requirements, disaster-recovery testing and controlled production changes.
• Willingness to provide after-hours deployment and rotating on-call production support.
• Strong analytical, troubleshooting, documentation and stakeholder-management capabilities.

Preferred Requirements

• Experience with Xway or another secure managed file-transfer platform.
• Experience with wsadmin, Python, PowerShell or other middleware automation scripts.
• Familiarity with Jenkins, Bamboo, ServiceNow, Jira, AppDynamics, Splunk, Kibana or comparable enterprise tools.
• Knowledge of LDAP/Active Directory integration and middleware authentication.
• Experience supporting MAS-regulated banking environments in Singapore

Interested applicants, please email your resume to Karin Chan Wei Kien

Email: [Confidential Information]

CEI Reg No: R1104584

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Recruit Express Pte Ltd

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