Network Support Engineer - Onsite

A3 Solutions, Inc.; Longview (WA); On-site; USD 80,000 - 120,000; Full time

Job summary

A3 Solutions, Inc. is seeking a Network Support Engineer to design, implement, and manage LAN/WAN/WLAN/SD-WAN environments onsite in Longview, WA. The role emphasizes monitoring, troubleshooting, and coordinating with cross‑functional teams to ensure network reliability.

The candidate will bring 5–7 years of hands‑on enterprise network experience, strong TCP/IP and routing knowledge, and hands‑on experience with Cisco devices and SD‑WAN technologies. On‑call responsibilities may apply.

Qualifications

• Bachelor's degree in CS/IT/telecommunications or related field.
• 5–7 years of hands-on experience in enterprise network engineering.
• Strong knowledge of TCP/IP, routing, switching, and VLANs.
• Experience with BGP/OSPF and enterprise routers/switches.
• Experience with wireless networks and SD‑WAN technologies.
• Proven incident management, documentation, and communication skills.

Responsibilities

• Design, implement, configure, and manage LAN, WAN, WLAN, and SD‑WAN solutions.
• Monitor network availability, performance, capacity, and connectivity.
• Configure and troubleshoot routers, switches, wireless infrastructure, and SD‑WAN devices.
• Support routing and switching technologies including BGP, OSPF, VLANs, STP, QoS.
• Troubleshoot complex network incidents involving connectivity and reachability.
• Perform device configuration changes, upgrades, and firmware updates.
• Support wireless operations: APs, controllers, SSIDs, RF issues, client troubleshooting.
• Collaborate with cross-functional teams to resolve network issues.
• Maintain network documentation: diagrams, inventories, IP/VLAN, configurations.
• Participate in on-call and production support activities.

Skills

LAN/WAN/WLAN/SD-WAN

TCP/IP and routing

BGP & OSPF

Enterprise networking

DHCP/DNS/NAT/QoS

Troubleshooting

Incident management

Documentation/communication

Education

Bachelor's degree in CS/IT/Telecom

CCNA/CCNP Enterprise preferred

Tools

Cisco IOS/NX-OS

Wireshark

SolarWinds

Azure/AWS networking

Python scripting

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.