Websphere Administrator

About Grafieks: Grafieks Analytics Ltd and Grafieks Lab Pvt Ltd, both under the same leadership, are technology consulting and software development companies building scalable solutions for modern businesses. Our flagship product, Grafieks, is an AI-powered Business Intelligence (BI) platform delivered as a SaaS offering, designed to help organizations analyze data, uncover insights, and make faster, smarter decisions. Alongside our product portfolio, we offer end-to-end IT Managed Services to help you run reliable, secure, and efficient technology operations. At Grafieks, we combine deep technical expertise with a product-driven mindset to solve real-world business challenges. Role Summary The Application Support Specialist IBM WebSphere Administrator is responsible for the administration, maintenance, monitoring, and support of IBM WebSphere Application Server (WAS) environments that host mission-critical enterprise applications. The role focuses on ensuring high availability, performance, security, and stability of middleware platforms while providing production support, incident resolution, deployment support, and proactive system optimization. The specialist collaborates with application development, infrastructure, database, security, and operations teams to deliver reliable application services and meet business SLAs. Location: Noida Work Mode: Hybrid Experience required: 3-7 years Competitive salary + performance-based incentives Minimum Qualification: Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field. Preferred: Previous similar experience Key Responsibilities Administer and support IBM WebSphere Application Server (WAS) environments across Development, Test, UAT, and Production. Install, configure, upgrade, patch, and maintain WebSphere Application Server and related middleware components. Monitor server health, JVM performance, application availability, and infrastructure utilization. Deploy, configure, and troubleshoot enterprise applications (EAR, WAR, and JAR files). Investigate and resolve production incidents, application outages, memory issues, and performance bottlenecks within defined SLAs. Configure and manage WebSphere cells, nodes, clusters, deployment managers, and application servers. Perform JVM tuning, thread pool optimization, connection pool tuning, and garbage collection analysis. Support application releases, change implementations, and environment validations. Perform root cause analysis (RCA) and implement preventive measures for recurring issues. Configure SSL certificates, security settings, LDAP integration, and user access controls. Support disaster recovery (DR) activities, backup, restoration, and high-availability configurations. Develop automation scripts for routine administration and operational tasks. Maintain technical documentation, runbooks, SOPs, and knowledge articles. Participate in production support and on-call rotations. Required Technical Skills Primary Skills IBM WebSphere Application Server (WAS) ND IBM HTTP Server (IHS) IBM Installation Manager Deployment Manager (DMGR) Node Agents and Clustering Application Deployment and Configuration Operating Systems Linux/Unix Windows Server Web & Application Technologies Java/J2EE Apache HTTP Server Web Services (SOAP/REST) SSL/TLS Configuration Scripting & Automation Shell Scripting (Bash/Korn) Jython (WebSphere wsadmin) Python (preferred) PowerShell (preferred) Monitoring & ITSM Splunk Dynatrace/AppDynamics IBM Tivoli (preferred) ServiceNow Databases Oracle SQL Server DB2 (preferred) Functional Skills Middleware Administration Application Production Support Incident Management Problem Management Change and Release Management Performance Tuning Capacity Planning High Availability and Disaster Recovery Root Cause Analysis Document and Knowledge Mgmt Required Experience 3-7 years IBM WebSphere Administrator experience Preferred Certifications IBM WebSphere Administration certification ITIL Foundation certification is preferred. .