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: karinchan@recruitexpress.com.sg

CEI Reg No: R1104584

EA License No: 99C4599

Recruit Express Pte Ltd

Company Reg No: 199601303W