We are recruiting for one of our clients a IBM WebSphere Application Server (WAS) System Administrator / Expert Role. We are looking for a senior IBM WebSphere Application Server (WAS) System Administrator / Expert, with hands‐on, day‐by‐day operational experience on IBM middleware environments. This is a strongly system‐oriented role. Profiles with only generic Java or application‐level exposure to WAS will not be considered.
Key Responsibilities
Installation, configuration and administration of IBM WebSphere Application Server in enterprise environments
Management of WAS Network Deployment (ND) architectures: Cell, Deployment Manager, Node / Node Agent, Clusters, JVM, thread pool and connection pool tuning and optimization
Configuration of security (SSL, certificates, LDAP integration)
Performance monitoring and advanced troubleshooting on production issues
Support to upgrade and migration activities across WAS versions
Close collaboration with infrastructure and application teams in mission critical contexts
Remote work activities
Competenze richieste
Mandatory Technical Requirements
At least 3–4 years of hands‐on, proven experience as WAS System Administrator
Strong, practical experience on IBM WebSphere Application Server (WAS 8.5.x / 9.0 Network Deployment)
Solid experience on Linux / Unix environments
Log analysis and root cause analysis
High availability and enterprise‐grade setups
Experience in regulated, enterprise environments (banking / financial services is a plus)
Nice to Have
Experience with IBM HTTP Server (IHS)
Experience with IBM MQ
Familiarity with automation and scripting (bash, wsadmin)
Certifications (strongly preferred)
IBM Certified System Administrator – WebSphere Application Server
Other IBM middleware certifications
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