WebSphere Linux Systems Administrator

Crown Innovations is seeking a WebSphere Linux Systems Administrator to support Concept Solutions and a 50-person development team working on mission-critical National Airspace Systems for the Federal Aviation Administration (FAA). This position requires hands-on expertise in WebSphere, Linux, and system administration across both physical and virtualized environments.This is a hybrid position requiring to come into Concept Solutions' office located in Reston, Virginia.Key Responsibilities:Install, configure, and manage the following systems in support of a 50-person development team building flight-planning tools for airmen:IBM WebSphere Application Server 8.5.5 and lateriPlanet web and proxy serversLinux OS (Red Hat Enterprise Linux, CentOS) virtual machinesSolaris 10/11 physical machinesSupport deployment and management of Java-based web applications to non-production environments, including both AWS and VMware platformsInstall and configure application clusters, connection pooling, and proxy users in WebSphere.Provide images and packages for setting up non-production database instances on Oracle and PostgreSQLReview and optimize configuration settings across the technology stack to improve system performanceEnsure high availability of non-production systems by proactively monitoring system, process, and application logsDevelop and implement monitoring tools and scripts to quickly identify and resolve issues before system availability is affectedOther Responsibilities:Automate configuration management, deployment, and maintenance using Ansible, Python, and shell scriptingDeploy and configure Nagios, using both out-of-the-box and custom health checks to provide service-level monitoring and integrated alertingResearch and evaluate new tools and technologies; perform proof-of-concept exercises to optimize and improve system operationsProvide knowledge transfer and training to Tier 2 support staff through detailed documentation and walkthroughsDocument comprehensive installation procedures and configuration changes to ensure system consistency and repeatability