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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