Responsibilities . Design, deploy, and maintain LAN/WAN, VPN, and cloud network environments . Configure and manage routers, switches, firewalls, and network devices . Monitor network performance and ensure smooth operations at project sites . Prepare for commissioning, decommissioning, and technology refresh activities for network devices . Perform preventive maintenance, patching, and firmware upgrades . Monitor and respond to cyber security threats and incidents . Manage security tools such as Firewall, IDS/IPS, SIEM, EDR, and XDR . Troubleshoot and resolve network and security-related issues . Maintain technical documentation, network diagrams, and incident reports . Support implementation of cyber security controls for cloud and on-premises environments . Support deployment of new security solutions and infrastructure enhancements . Collaborate with IT teams, vendors, government agencies, and project stakeholders . Provide support and maintenance for network infrastructure and end...