Network Support Engineer - Onsite

A3 Solutions • Minneapolis, MN

1d • Onsite

About The Position

The Network Support Engineer designs, implements, configures, and manages enterprise LAN, WAN, WLAN, and SD-WAN solutions. The role monitors network availability, performance, capacity, and connectivity, proactively identifying and resolving issues. It configures and troubleshoots routers, switches, wireless infrastructure, and SD-WAN devices, and supports routing and switching technologies including BGP, OSPF, VLANs, STP, HSRP/VRRP, QoS, and static and dynamic routing.

The engineer troubleshoots complex network incidents involving connectivity, latency, packet loss, routing, switching, wireless, and application reachability; performs configuration changes, upgrades, firmware updates, and lifecycle activities; and supports wireless operations, including access points, controllers, SSIDs, RF/connectivity issues, and client troubleshooting. The role collaborates with infrastructure, application, telecom, cloud, and field-support teams; performs configuration backups, validation, and health checks; and supports incident, problem, change, and service-request activities.

The position maintains network diagrams, device inventories, IP/VLAN information, configurations, SOPs, and troubleshooting procedures. It also contributes to network optimization, capacity planning, technology refresh, and infrastructure improvements; provides technical guidance to operations teams and stakeholders; and participates in on-call and production support as required. The posting says the candidate must be able to program.

Requirements

• Must be able to program.
• 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.
• Bachelor’s degree in Computer Science, Information Technology, Electronics/Telecommunications, or a related field.
• Strong analytical and troubleshooting skills.
• Ability to independently handle network incidents, configuration changes, and operational support.
• Good documentation and technical communication skills.
• Excellent communication and interpersonal skills.

Nice To Haves

• Experience with Cisco Catalyst, Cisco Nexus, Cisco Catalyst SD-WAN/Viptela, Cisco Wireless, or equivalent enterprise networking technologies.
• Familiarity with network monitoring platforms such as SolarWinds, Cisco Catalyst Center, ThousandEyes, LogicMonitor, or similar tools.
• Experience with Wireshark or equivalent packet-analysis tools.
• Familiarity with cloud networking concepts across Microsoft Azure or AWS.
• Knowledge of network automation using Python, Bash, Ansible, APIs, or similar technologies.
• Understanding of high-availability technologies such as HSRP, VRRP, vPC, port channels, and redundant network designs.
• Certifications such as CCNA, CCNP Enterprise, or equivalent networking certifications.

Responsibilities

• Design, implement, configure, and manage LAN, WAN, WLAN, and SD-WAN solutions.
• Monitor network availability, performance, capacity, and connectivity, proactively identifying and resolving 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 and dynamic routing.
• Troubleshoot complex network incidents involving connectivity, latency, packet loss, routing, switching, wireless, and application reachability.
• Perform network device configuration changes, upgrades, firmware updates, and lifecycle activities.
• Support wireless network operations, including access points, wireless controllers, SSIDs, RF/connectivity issues, and client troubleshooting.
• Work with cross-functional infrastructure, application, telecom, cloud, and field-support teams to resolve network-related issues.
• Perform network configuration backups, validation, and operational health checks.
• Support incident, problem, change, and service-request activities related to 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 infrastructure improvement initiatives.
• Provide technical guidance and support to operations teams and stakeholders.
• Participate in on-call and production support activities as required.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level