Network Engineer

Fiber XG is seeking a skilled Network Engineer to develop, operate, secure, and scale its ISP infrastructure. The candidate will manage a team of five professionals, ensuring smooth performance and reliability of the ISP core network. This role requires expertise in MikroTik RouterOS, PPPoE BNG, VLANs, NAT, and BGP, as well as experience with authentication systems like FreeRADIUS and subscriber management databases such as MariaDB. Familiarity with Debian Linux and Proxmox virtualization will support effective infrastructure operation and maintenance. The ideal candidate will have experience running production ISP environments and be proficient in network monitoring, troubleshooting, and disaster recovery planning.
Responsibilities

• Operate and maintain the ISP core infrastructure to ensure network stability and security.
• Implement, configure, and test FreeRADIUS authentication systems for subscriber access control.
• Monitor network performance and resolve connectivity issues affecting subscribers.
• Manage VLAN, NAT, BGP, and PPPoE BNG configurations in accordance with ISP standards.
• Prepare and maintain comprehensive network documentation, including backups and failover plans.
• Support network expansion initiatives by planning and integrating new hardware and services.
• Coordinate and supervise a team of five network engineers and technicians.
• Troubleshoot network issues promptly and efficiently to minimize service downtime.
• Conduct disaster recovery operations and tests to enhance ISP resilience.
• Perform regular system updates and upgrades for Debian Linux and Proxmox environments.
• Utilize network monitoring tools to proactively identify and resolve potential problems.
• Assist in network capacity planning to accommodate subscriber growth and future demands.
• Collaborate with vendors and service providers to optimize network performance and hardware compatibility.
• Ensure security compliance across all network infrastructure components.
• Train team members on new technologies, best practices, and operational procedures.