ISP Network Support Engineer

ISP Network Support Engineer (BGP, MikroTik, Peplink, SD-WAN & Wireless) – Remote | U.S. HoursPosition Type: Full-Time, Remote Working Hours: U.S. Business Hours On-Call: Rotating after-hours emergency support — approximately 1 week per monthAbout the RoleAt Pavago, we’re hiring an ISP Network Support Engineer for one of our clients to support customer-facing troubleshooting and production network operations across a growing multi-WAN ISP environment.This is not a basic helpdesk role. You’ll work directly with live network infrastructure across fiber, fixed wireless, bonded WAN, Starlink, and SD-WAN deployments, troubleshooting complex connectivity issues and maintaining reliable, high-availability services.You’ll work hands-on with technologies including MikroTik RouterOS, Peplink SpeedFusion, BGP, OSPF, Cambium, Ubiquiti, Siklu, Aviat, and enterprise wireless infrastructure.This role is particularly well suited to someone with hands-on ISP, WISP, FTTH, or MSP experience who is comfortable troubleshooting production networks while communicating directly with customers.What You’ll OwnCustomer Network Support & Troubleshooting Diagnose customer issues involving: Connectivity and outages Latency and packet loss Routing instability VoIP and call-quality problems WAN and failover performance Troubleshoot bonded WAN, SD-WAN, VPN, VLAN, and wireless connectivity issues. Support routers, firewalls, and Customer Premise Equipment (CPE). Investigate issues across multiple layers rather than simply escalating tickets. Document troubleshooting steps, root causes, and configuration changes. Communicate technical findings clearly to business customers. Advise customers on redundancy, failover, and network optimization. Participate in rotating after-hours emergency support. ISP Network Operations Monitor and maintain: Edge routing infrastructure Wireless backhaul systems Bonded WAN infrastructure Core ISP services Provision and configure customer network deployments. Configure: Routers VLANs Firewall rules NAT QoS VPNs Diagnose BGP and OSPF routing issues, routing loops, WAN instability, and failover events. Maintain configuration backups, firmware updates, IP documentation, and network hardening standards. MikroTik, Peplink & SD-WAN Configure and troubleshoot MikroTik RouterOS environments. Support Peplink SpeedFusion and InControl2. Troubleshoot multi-WAN bonding and failover behavior. Support hybrid connectivity involving: Fiber Fixed wireless Starlink 5G Terrestrial WAN connections Optimize redundancy and high-availability configurations. Fixed Wireless & Backhaul Infrastructure Support fixed wireless environments using: Cambium Ubiquiti PTP/PMP architectures Work with high-capacity wireless backhaul technologies including: Siklu Aviat mmWave infrastructure Support tower deployments, backhaul upgrades, and infrastructure expansion. Troubleshoot signal, connectivity, capacity, and backhaul performance issues. VoIP & QoS Troubleshoot SIP and VoIP quality issues. Diagnose network conditions affecting voice traffic. Configure and optimize QoS policies. Prioritize latency-sensitive traffic appropriately. Help maintain consistent voice quality across multi-WAN environments. Documentation & Configuration Management Maintain accurate: Network diagrams IP documentation Device configurations Troubleshooting records Configuration backups Document root-cause findings and remediation steps. Keep infrastructure documentation current following network changes. Help reduce repeat incidents through accurate documentation and preventative improvements. Technical EnvironmentYou may work across:Routing & Networking MikroTik RouterOS BGP OSPF TCP/IP VLANs NAT QoS VPNs SD-WAN & Multi-WAN Peplink SpeedFusion InControl2 Starlink 5G WAN bonding and failover Wireless & Backhaul Cambium Ubiquiti Siklu Aviat PTP/PMP mmWave Enterprise Wi-Fi Cambium cnMaestro UniFi Voice SIP VoIP QoS and voice optimization Required Experience & Skills Hands-on networking experience within an ISP, WISP, FTTH, MSP, or similar production network environment. Strong experience troubleshooting: Routing Switching WAN connectivity Network outages Failover systems Hands-on experience configuring: Routers Firewalls VLANs VPNs Strong understanding of: TCP/IP NAT QoS VLANs BGP OSPF Ability to troubleshoot live production networking issues methodically. Strong documentation and root-cause analysis skills. Strong written and verbal English communication. Ability to communicate effectively with both technical teams and customers. Comfortable working independently in a remote environment. Availability for rotating after-hours emergency support. Strongly Preferred Hands-on MikroTik RouterOS expertise. Experience with Peplink, SpeedFusion, and InControl2. Experience with: Cambium Ubiquiti Siklu Aviat Fixed wireless or WISP deployment experience. PTP/PMP and mmWave backhaul experience. Starlink or hybrid WAN experience. VoIP troubleshooting experience involvi