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A3 Solutions, Inc.

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

Longview, Washington•Full-time
$40 - $50 hourly
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About the Job
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.

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