Strong hands-on experience with Jira Service Management, including: User Management and Project Configuration, Add-ons (Insight, Notification Assistant, Elements Copy & Sync, Time to SLA, EazyBI, Extension for Jira Service Desk, etc.), and plugin upgrades and configuration. Knowledge of Jira Archive add-ons and upgrade processes. Proficiency in Jira administration (project configuration, permission schemes, issue types, screens, notifications), integrating Jira with third-party applications, system logging, basic troubleshooting, workflow customization, and editing. Experience administering Confluence (pages, user management, permissions). Familiarity with ongoing issue tracking and resolution across Jira projects. Linux administration skills (system maintenance and upgrades). Basic understanding of Java for plugin configuration and Jira source-level insights.