Network Support Engineer - Onsite

A3 Solutions, Inc.; Vancouver (WA); On-site; USD 110,000 - 150,000; Full time

Job summary

A3 Solutions, Inc. is seeking an Network Support Engineer for an onsite role in the United States. The candidate will design, configure, and manage LAN/WAN/WLAN/SD‑WAN environments, troubleshoot routing, switching, and wireless networks, and collaborate with cross‑functional teams to resolve issues.

Required 5–7 years of experience in enterprise networking, strong TCP/IP knowledge, and SD‑WAN expertise. On‑call duties may apply; a Bachelor’s degree in a related field is expected.

Qualifications

• 5–7 years of hands-on enterprise network engineering experience.
• Strong knowledge of TCP/IP, routing, switching, VLANs, and subnetting.
• Experience with BGP and OSPF in large networks.

Responsibilities

• Design, implement, configure and manage LAN/WAN/WLAN/SD‑WAN solutions.
• Monitor performance, capacity, and connectivity; proactively resolve issues.
• Configure routers/switches; troubleshoot SD‑WAN devices and wireless infra.
• Support QoS, VLANs, DHCP/DNS/NAT; perform backups and health checks.
• Collaborate with cross‑functional teams and provide on‑call support.

Skills

LAN/WAN/WLAN/SD-WAN

TCP/IP & routing/switching

BGP & OSPF

Enterprise routers & switches

Wireless networks & controllers

SD‑WAN troubleshooting

DHCP/DNS/NAT/QoS

Network monitoring tools

Incident management & documentation

Troubleshooting & analysis

Education

Bachelor’s degree in Computer Science/IT/Telecom

5–7 years enterprise network engineering experience

Tools

Cisco Catalyst

Cisco Nexus

Cisco SD‑WAN/Viptela

Cisco Wireless

SolarWinds

ThousandEyes

LogicMonitor

Wireshark

Azure/AWS cloud networking

Python/Bash automation

Job description

Network Support Engineer - Onsite - (No 3rd Party)

Responsibilities:

• Must be able to program.
  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/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.

Mandatory Skills:

• 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.

Preferred Skills:

• Experience with platforms such as Cisco Catalyst, Cisco Nexus, Cisco Catalyst SD‑WAN/Viptela, and 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 are preferred.

Qualifications:

• Bachelor’s degree in Computer Science, Information Technology, Electronics/Telecommunications, or a related field.
• 5–7 years of experience in enterprise network engineering and operations.
• 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.