Perform inspections and maintenance on network hardware & software, ensuring system functionality, capacity, and performance. Troubleshoot incidents related to network devices and firewalls. Adjust configurations and settings to optimize system performance. Assist with reconfiguring or addressing technical needs related to IT service and Data Center integration. Conduct regular preventive maintenance, patch updates, and system upgrades for network devices and firewalls. Monitor network activity to detect potential threats or suspicious behavior. Handle security incidents, analyze root causes, and recommend corrective actions. Perform risk assessments and identify network security vulnerabilities. Document security procedures and incident reports for internal use. Be available for support outside office hours, as needed, for incident troubleshooting and project assistance. Placement: Balikpapan