WebSphere Administrator

Job Title : WebSphere Administrator

Location : Sandy Spring, GA-30028 (Onsite)

Duration : 12+ Months

Job Description:

We are seeking a highly skilled WebSphere Administrator with expertise in IBM WebSphere Application Server (WAS), WebSphere Liberty, and Enterprise Service Bus (ESB) platforms. The ideal candidate will manage middleware infrastructure, support enterprise integration solutions, perform performance tuning, and ensure high availability across missioncritical systems.

Key Responsibilities

WebSphere Traditional (WAS) Administration Install, configure, and maintain WebSphere ND, Deployment Manager, Node Agents, and application servers.

Configure clusters, JDBC providers, JMS resources, data sources, and application deployments.

Manage SSL/TLS certificates, secure communication, and keystore/truststore configurations.

Monitor system health, session management, workload distribution, and high-availability setups.

Troubleshoot JVM, thread dumps, logs, application issues, and infrastructure components.

WebSphere Liberty Administration

Install, configure, and maintain WebSphere Liberty servers, server.xml configuration, feature management, and environment setups.

Enable Liberty runtime features, logging, tuning, security configuration, and microservices-based deployments.

Deploy Java EE/web applications and ensure adherence to lightweight Liberty architecture.

Integrate Liberty into CI/CD workflows and container platforms (Docker, OpenShift, Kubernetes).

ESB (Enterprise Service Bus) Administration (Applicable to IBM Integration Bus (IIB), IBM ACE, IBM ESB, Mule ESB, or similar ESB platforms.)

Core ESB Responsibilities

Install, configure, and support ESB middleware environments used for enterprise service integration.

Manage message flows, mediation modules, endpoints, service orchestrations, and adapters.

Configure and troubleshoot SOAP/REST services, JMS messaging, MQ queues, HTTP/HTTPS endpoints, and transformation logic.

Maintain ESB artifacts such as modules, SCA components, mediation flows, and integration services.

Implement ESB routing, message transformation, protocol bridging, and errorhandling strategies.

Monitor ESB performance, message throughput, bottlenecks, and persistent storage.

Deploy BAR files (IIB/ACE), mediation modules (WESB), or integration apps depending on platform.

Manage versioning, CI/CD pipelines, and automated deployment of integration components.

Integration & MQ

Support IBM MQ objects: queues, channels, topics, SVRCONN, listeners, and security.

Ensure reliable message delivery, persistence, and high-availability configurations.

Environment Support & DevOps

Automate processes using Ansible, Terraform, shell, or Python.

Integrate application servers and ESB into CI/CD pipelines (Jenkins, Azure DevOps, GitLab CI).

Configure monitoring with Splunk, Dynatrace, AppDynamics, or Grafana.

Support Linux/Unix environments for application and middleware hosting.

Participate in 24x7 on-call rotations for production support and issue resolution.

Required Skills & Qualifications

5+ years of experience administering WebSphere Application Server (WAS ND).

3+ years of experience with WebSphere Liberty.

3+ years of experience working with an ESB platform (IBM ESB, IIB/ACE, Mule ESB, TIBCO, etc.).

Strong understanding of Java EE stack, middleware architectures, SOAP/REST services, and JMS.

Experience in SSL/TLS, certificates, certificates management, and secure communication setup.

Strong troubleshooting of JVM, heap dumps, ESB message flows, and integration issues.

Expertise in Linux/Unix administration and automation scripting.

Familiarity with containers, Kubernetes, or OpenShift is a plus.

Preferred Qualifications

IBM certifications for WebSphere, Liberty, Integration Bus, or ESB technologies.

Experience with cloud-native deployments (AWS, Azure, Google Cloud Platform).

Strong understanding of microservices, service mesh, and API gateway patterns.

Experience with MQ clustering and high availability.