IT Specialist - Senior Cisco Wireless Architect

WHAT IS INFORMATION TECHNOLOGY? A description of the business units can be found at: https://www.jobs.irs.gov/about/who/business-divisions Position(s) are to be filled in the following area(s): IT - Network Services Consider each location carefully when applying. If you are selected for a location, that location will become your official post of duty.

REVIEW THE

The following are the duties of this position at the full working level. If this vacancy includes more than one grade and you are selected at a lower grade level, you will have the opportunity to learn to perform these duties and receive training to help you grow in this position. Performs advanced enterprise wireless engineering functions including: designing, implementing, and troubleshooting complex Cisco wireless network architectures (e.g., Catalyst 9800, AireOS, DNA Center, Meraki) in large distributed environments; leading RF design efforts including predictive modeling, site surveys, and high-density capacity planning; providing technical leadership for wireless initiatives involving multiple stakeholders and organizations; developing enterprise wireless standards, architecture, and operational guidance; and integrating wireless solutions with enterprise routing, switching, identity services (e.g., Cisco ISE), and zero trust architectures. Diagnoses and resolves the most complex and high-risk wireless network and RF issues, including co-channel interference, adjacent channel interference, spectrum congestion, roaming failures, authentication issues, and performance degradation in high-density and mission-critical environments. Wireless Networking and RF Engineering: -IEEE 802.11 standards (a/b/g/n/ac/ax/6E/7) and enterprise WLAN design -RF fundamentals including signal propagation, SNR, dBm, attenuation, and interference mitigation -Wireless site surveys (predictive, passive, and active) and RF validation techniques -High-density wireless design and capacity optimization for large user populations -Cisco wireless platforms including Catalyst 9800 controllers, AireOS, DNA Center, and Meraki cloud architectures - - - -Wireless security including WPA2/WPA3, 802.1X, EAP methods, and integration with Cisco Identity Services Engine (ISE) -Spectrum analysis tools and techniques for identifying Wi-Fi and non-Wi-Fi interference -Mobility services including fast secure roaming, voice over WLAN (VoWLAN), location services, and IoT wireless integration Serves as a technical and project leader managing complex, high-impact network services initiatives that cross organizational, functional, and geographic boundaries. Defines project scope,requirements, milestones, and resource needs for large-scale initiatives. Develops standards, guidelines, and best practices that are adopted across the IRS and influence enterprise technology direction.