Senior Network Engineer - Onsite SD-WAN & Wireless

A3 Solutions, Inc.; Minneapolis (MN); On-site; USD 90,000 - 130,000; Full time

Job summary

A3 Solutions, Inc. in Minneapolis seeks a Network Support Engineer for an onsite role to design, implement, and manage enterprise LAN/WAN/WLAN/SD‑WAN networks. You will monitor performance, troubleshoot complex connectivity, and work with cross‑functional teams to resolve issues.

Responsibilities include configuring routers and switches, supporting BGP/OSPF, wireless networks, and SD‑WAN, plus on‑call production support and rigorous documentation.

Qualifications

• 5–7 years of hands‑on experience with enterprise LAN, WAN, WLAN, and SD‑WAN environments.
• Strong knowledge of TCP/IP, routing, switching, subnetting, VLANs, trunking, and Layer 2/Layer 3 networking.
• Strong hands‑on experience with routing protocols such as BGP and OSPF.
• Experience configuring and troubleshooting enterprise routers and switches.
• Experience supporting enterprise wireless networks, access points, and wireless controllers.
• Hands‑on experience with SD‑WAN technologies and troubleshooting.
• Strong understanding of DHCP, DNS, NAT, QoS, SNMP, NTP, and network connectivity concepts
• Experience with network monitoring and troubleshooting tools.
• Ability to troubleshoot complex network performance and connectivity issues using tools such as ping, traceroute, packet captures, logs, and network monitoring platforms.
• Strong incident management, problem‑solving, documentation, and communication skills.

Responsibilities

• Design, implement, configure, and manage LAN, WAN, WLAN, and SD‑WAN solutions.
• Monitor network availability, performance, capacity, and connectivity; proactively resolve issues.
• Configure and troubleshoot routers, switches, wireless infrastructure, and SD‑WAN devices.
• Support routing and switching technologies including BGP, OSPF, VLANs, STP, HSRP/VRRP, QoS, and static/dynamic routing.
• Troubleshoot complex network incidents involving connectivity, latency, packet loss, routing, switching, wireless, and app reachability.
• Perform network device configuration changes, upgrades, firmware updates, and lifecycle activities.
• Support wireless network operations, including access points, wireless controllers, SSIDs, RF issues, and client troubleshooting.
• Work with cross‑functional teams to resolve network‑related issues.
• Perform backups, validation, and health checks.
• Support incident, problem, change, and service‑request activities for network infrastructure.
• Maintain accurate documentation including network diagrams, device inventories, IP/VLAN information, configurations, SOPs, and troubleshooting procedures.
• Participate in network optimization, capacity planning, technology refresh, and infra improvements.
• Provide technical guidance and support to operations teams and stakeholders.
• Participate in on‑call and production support activities as required.

Skills

LAN/WAN/WLAN/SD-WAN

TCP/IP routing

BGP & OSPF

Wireless networks

Network monitoring

Troubleshooting

Documentation

Incident management

Education

Bachelor's degree in Computer Science/IT/Telecommunications

Tools

Cisco routers/switches

SolarWinds

Wireshark

Azure/AWS networking

Python/Bash

Job description

A3 Solutions, Inc. in Minneapolis seeks a Network Support Engineer for an onsite role to design, implement, and manage enterprise LAN/WAN/WLAN/SD‑WAN networks. You will monitor performance, troubleshoot complex connectivity, and work with cross‑functional teams to resolve issues.

Responsibilities include configuring routers and switches, supporting BGP/OSPF, wireless networks, and SD‑WAN, plus on‑call production support and rigorous documentation.