ISP Network Support Engineer (BGP, MikroTik, Peplink, SD-WAN & Wireless) – Remote | U.S. HoursAt 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. Customer Network Support & Troubleshooting Diagnose customer issues involving: Connectivity and outages Latency and packet loss Routing instability VoIP and call-quality problemsWAN 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: RoutersVLANsFirewall rulesNATQoSVPNsDiagnose 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-WANConfigure and troubleshoot MikroTik RouterOS environments. Support Peplink SpeedFusion and InControl2.Troubleshoot multi-WAN bonding and failover behavior. Support hybrid connectivity involving: FiberFixed wireless Starlink5GTerrestrial WAN connections Optimize redundancy and high-availability configurations. Fixed Wireless & Backhaul Infrastructure Support fixed wireless environments using: Cambium UbiquitiPTP/PMP architectures Work with high-capacity wireless backhaul technologies including: Siklu AviatmmWave infrastructure Support tower deployments, backhaul upgrades, and infrastructure expansion. Troubleshoot signal, connectivity, capacity, and backhaul performance issues. VoIP & QoSTroubleshoot 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 diagramsIP 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 Environment You may work across: Routing & Networking MikroTik RouterOSBGPOSPFTCP/IPVLANsNATQoSVPNsSD-WAN & Multi-WANPeplinkSpeedFusionInControl2Starlink5GWAN bonding and failover Wireless & Backhaul CambiumUbiquitiSikluAviatPTP/PMPmmWaveEnterprise Wi-FiCambium cnMaestroUniFiVoiceSIPVoIPQoS and voice optimization Required Experience & SkillsHands-on networking experience within an ISP, WISP, FTTH, MSP, or similar production network environment. Strong experience troubleshooting: Routing SwitchingWAN connectivity Network outages Failover systems Hands-on experience configuring: Routers FirewallsVLANsVPNsStrong understanding of: TCP/IPNATQoSVLANsBGPOSPFAbility 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 UbiquitiSikluAviatFixed wireless or WISP deployment experience.