System Administrator

Senior Middleware Administrator

Required Skills: - 6+ years in IIS/Apache administration. - Experience in clustering, reverse proxy, SSL, performance tuning. - Strong knowledge of Windows/Linux OS. - Experience with log analysis and troubleshooting. Preferred Skills: - Experience with Nginx, Tomcat, WebLogic, or other middleware. - Monitoring with Grafana, Prometheus, Dynatrace, or AppDynamics. - Scripting with PowerShell/Python. Certifications: - Microsoft / Linux / Web Server certifications (preferred) - ITIL Foundation Behavioral Competencies: - Excellent documentation and communication. - Strong analytical and troubleshooting mindset. Shift Requirements: - Business hours with on-call support. - Availability for maintenance windows and emergency support. Location - BLR and CHN Key Responsibilities: 1. Installation & Configuration: - Install, configure, and upgrade IIS and Apache Web Server. - Configure virtual hosts, sites, bindings, pools, modules, and handlers. - Implement SSL/TLS certificates, renewals, and HTTPS configurations. 2. Administration & Maintenance: - Manage application pools, worker processes, modules, filters. - Perform log rotation, cleanup, backup of configurations. - Manage file permissions, service accounts, and runtime dependencies. 3. High Availability & Clustering: - Configure load balancing and clustering in IIS. - Configure Apache clustering with Reverse Proxy, LoadBalancer, or Mod_Cluster. - Support health checks, failover, and cluster readiness testing. 4. Performance Optimization: - Perform tuning of worker processes, threading, caching, compression. - Troubleshoot performance bottlenecks, memory leaks, high CPU usage. 5. Security & Compliance: - Configure hardening standards for IIS/Apache. - Manage authentication, authorization, SSL/TLS, and cipher suites. - Implement secure headers, limits, and access controls. 6. Troubleshooting & RCA: - Analyze IIS logs, HTTP error logs, Apache error/access logs. - Troubleshoot application connectivity, routing, timeout issues. - Provide RCA and preventive measures. 7. Automation & Scripting: - Automate tasks using PowerShell, Bash, Python, or shell scripts. - Version control configuration changes. 8. Decommissioning & Lifecycle Management: - Retire legacy servers and applications. - Archive logs, clean dependencies, update CMDB.