Systems Administrator - III
Compunnel, Inc.
The Systems Administrator III (Middleware) will be responsible for installing, configuring, managing, and maintaining middleware platforms, including WebSphere Application Server (WAS), WebSphere Liberty, and related infrastructure. This role includes supporting high-availability architectures, performing system integration activities, troubleshooting issues, and ensuring secure, reliable middleware operations across virtual machines and containerized environments. Key Responsibilities Deploy new technologies and perform system integration testing for server operating systems, middleware platforms, utilities, and hardware. Install, configure, maintain, and administer WebSphere Application Server (Network Deployment and Base editions). Design and implement high-availability architectures including clustering, load balancing, and failover configurations. Manage enterprise repositories for WebSphere and IHS binaries. Perform performance tuning, troubleshooting, and support version migration activities. Deploy and maintain WebSphere Liberty on traditional virtual machines. Support containerized Liberty environments using Podman and orchestrate Liberty workloads on OpenShift Container Platform. Customize server configurations to meet diverse application requirements. Troubleshoot server issues reported by users and perform root-cause analysis. Research, evaluate, and recommend hardware and software solutions. Support web access, electronic messaging services, and maintain a secure systems environment. Provide hardware specifications based on application requirements and future capacity planning. Install new servers and maintain the overall server infrastructure. Required Qualifications Experience in WebSphere Application Server management. Hands-on experience with installation, configuration, and administration of WebSphere Network Deployment and Base editions. Knowledge of high-availability architecture design including clustering, load balancing, and failover. Experience managing enterprise repositories for WebSphere and IHS binaries. Strong skills in performance tuning, troubleshooting, and version migration strategy development. Experience deploying and maintaining WebSphere Liberty on VMs. Understanding of containerized Liberty environments using Podman. Experience orchestrating Liberty workloads in OpenShift Container Platform. Ability to customize server configurations for varied application needs. #J-18808-Ljbffr Compunnel, Inc.
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