ISP Network Support Engineer

ISP Network Support Engineer (BGP, Mikro Tik, Peplink, SD-WAN & Wireless) – Remote | U.S. Hours

Position Type: Full-Time, Remote
Working Hours: U.S. Business Hours
On-Call: Rotating after-hours emergency support — approximately 1 week per month

At 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 Mikro Tik RouterOS, Peplink Speed Fusion, 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.

• 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.

• 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.

• Configure and troubleshoot Mikro Tik RouterOS environments.
• Support Peplink Speed Fusion and In Control2 .
• 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.

• 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.

• 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.

• 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.

You may work across:

Routing & Networking

• Mikro Tik RouterOS
• BGP
• OSPF
• TCP/IP
• VLANs
• NAT
• QoS
• VPNs

SD-WAN & Multi-WAN

• Peplink
• Speed Fusion
• In Control2
• Starlink
• 5G
• WAN bonding and failover

Wireless & Backhaul

• Cambium
• Ubiquiti
• Siklu
• Aviat
• PTP/PMP
• mmWave

Enterprise Wi-Fi

• Cambium cn Maestro
• Uni Fi

Voice

• SIP
• VoIP
• QoS and voice optimization

• 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…