Cisco Wireless Network Engineer – L2

• Implementation:
  Design, configure, and deploy Cisco wireless infrastructure, including Catalyst 9800/9800-S Wireless Controllers, AireOS, and Cisco Aironet/Catalyst access points (802.11a/b/g/n/ac/ax, Wi-Fi 6/6E).
• RF Design & Site Surveys:
  Perform predictive, passive, and active wireless site surveys; produce and interpret heat maps for coverage, SNR, and noise floor using Ekahau Site Survey / Heat Mapper or Net Scout Air Magnet Survey; validate designs with AP-on-a-stick testing and post-deployment surveys.
• Troubleshooting:
  Diagnose and resolve complex WLAN issues — roaming, throughput, interference, channel utilization, client association/auth failures — using packet captures (Wireshark), spectrum analyzers, Cisco Prime/DNAC, and controller logs.
• Support wireless upgrades, migrations, and lifecycle refreshes (e.g., AireOS → Catalyst, legacy AP refreshes).
• Integrate wireless with security and policy services:
  Cisco ISE, 802.1X, WPA3, VLANs, QoS, and segmentation.
• Collaborate with wired network, security, and field teams; document designs, configurations, SOPs, and implementation logs.
• Monitor network health, tune RRM/channel/power settings, and ensure SLA compliance.

• 6+ years in enterprise networking with a strong focus on Cisco wireless design, deployment, and support.
• Hands-on experience with Cisco WLCs (9800 series preferred), Aironet/Catalyst APs, and wireless NMS (Prime Infrastructure / DNAC).
• Proven ability to conduct predictive, passive, and active site surveys and produce accurate heat maps (Ekahau and/or Air Magnet).
• Strong troubleshooting skills: RF analysis, spectrum analysis, packet capture, client-side diagnostics.
• Solid understanding of 802.11 fundamentals, roaming protocols (802.11r/k/v), and 2.4/5/6 GHz band planning.
• Working knowledge of supporting wired networking (VLANs, STP, routing, DHCP/DNS).

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