The Senior Wireless Network Engineer is responsible for designing, implementing, managing, optimizing, and supporting enterprise wireless infrastructure across branches, clinics, offices, healthcare, and high-density environments. The role focuses on delivering highly available, secure, and high-performance Wi-Fi networks through RF planning, wireless design, predictive surveys, site surveys, controller administration, and advanced troubleshooting.
The ideal candidate should possess extensive hands-on experience with Cisco Wireless LAN Controllers across multiple generations, Cisco Catalyst Center, Cisco Prime Infrastructure, enterprise Access Points, RF optimization, wireless security, guest access, large-scale wireless deployments and Network Access Control (NAC).
- Key Responsibilities 2.1 Network Infrastructure Management
- Design, implement, configure, and maintain enterprise LAN, WAN, WLAN, NAC
- Configure and support Cisco Catalyst
- Perform wireless network capacity planning and optimization.
- Support enterprise switching infrastructure.
- Maintain network documentation, topology diagrams, and configuration standards.
- Participate in datacenter network implementations and migrations.
- Key Responsibilities 2.1 Enterprise Wireless Infrastructure
- Design and implement enterprise Wi-Fi solutions for indoor and outdoor environments.
- Deploy, configure, and maintain Cisco wireless infrastructure.
- Configure and manage enterprise Wireless LAN Controllers (WLC).
- Install, configure, and troubleshoot Cisco Access Points.
- Plan wireless expansion projects and technology refresh initiatives.
- Support campus, branches including Hospitals, Health Centers, and office wireless deployments.
- Maintain wireless documentation, RF maps, topology diagrams, and standards.
2.2 Cisco Wireless Controllers
- Configure, administer, upgrade, and troubleshoot Cisco Wireless LAN Controllers including:
- Cisco AireOS Controllers
- 2504, 3504, 5508, 5520, 8540
- Cisco Catalyst 9800 Series
- C9800-L, C9800-40, C9800-80
- Embedded Wireless Controller (EWC)
- Cisco Mobility Express
- Configure HA SSO deployments.
- Configure Mobility Groups and mobility roaming.
- Perform controller software upgrades and migrations.
- Support migration from AireOS to Catalyst 9800 platforms.
2.3 RF Engineering & Wireless Design
- Perform Predictive RF Design using Ekahau AI Pro.
- Conduct Passive Site Surveys.
- Conduct Active Site Surveys.
- Perform Validation Surveys.
- Conduct Wireless Health Assessments.
- Analyze RF coverage and capacity.
- Optimize channel planning and power levels.
- Design high-density wireless environments.
- Perform spectrum analysis and interference mitigation.
- Design 2.4 GHz, 5 GHz, and 6 GHz (Wi-Fi 6E) deployments.
- Optimize wireless performance based on client density and application requirements.
2.4 Wireless Planning & Optimization
- RF planning for new facilities.
- Wireless capacity planning.
- Roaming optimization.
- Client load balancing.
- Coverage optimization.
- High Availability wireless design.
- Wireless performance tuning.
- Wireless QoS implementation.
- Multicast optimization.
- Fast Secure Roaming (802.11r).
- Band Steering.
- Client Steering.
- CleanAir optimization.
2.5 Wireless Security
- Configure WPA2/WPA3 Enterprise.
- Configure 802.1X authentication.
- Integrate Cisco ISE for secure network access.
- Configure RADIUS and TACACS+ authentication.
- Deploy Guest Wireless Portal solutions.
- Configure BYOD onboarding.
- Implement MAC Authentication Bypass (MAB).
- Wireless segmentation using VLANs.
- Secure IoT wireless deployments.
- Wireless threat detection and rogue AP mitigation.
- Deploy and administer Aruba ClearPass Policy Manager.
- Configure 802.1X authentication for wired and wireless networks.
- Implement certificate-based authentication (EAP-TLS).
- Configure RADIUS and TACACS+ authentication services.
- Design and implement role-based access control (RBAC).
- Configure Dynamic VLAN Assignment and Downloadable ACLs (dACLs).
2.6 Wireless Troubleshooting
- Troubleshoot wireless connectivity issues.
- Analyze roaming failures.
- Investigate authentication failures.
- Troubleshoot DHCP and DNS-related wireless issues.
- Resolve RF interference problems.
- Diagnose client performance issues.
- Troubleshoot latency, packet loss, and voice-over-WiFi issues.
- Perform packet captures and wireless protocol analysis.
- Conduct Root Cause Analysis (RCA) for major incidents.
2.7 Network Management Platforms
- Cisco Catalyst Center (DNA Center)
- Cisco Prime Infrastructure
- Cisco Wireless Assurance
- Cisco Spaces
- Cisco ISE
- Cisco ThousandEyes
2.8 Monitoring & Performance
Monitor Wireless Infrastructure Using
- Cisco Catalyst Center
- Cisco Prime Infrastructure
- SolarWinds
- PRTG
- ManageEngine OpManager
Responsibilities Include
- Wireless health monitoring
- Client analytics
- Performance trending
- Capacity planning
- Firmware lifecycle management
- Incident management
- Availability reporting
2.9 Projects & Governance
- Lead enterprise wireless implementation projects.
- Execute wireless migration projects.
- Perform wireless technology refreshes.
- Prepare implementation and rollback plans.
- Conduct risk assessments.
- Develop low-level and high-level designs (LLD/HLD).
- Coordinate with vendors and third-party service providers.
- Ensure compliance with enterprise wireless standards and best practices.
- Technical Skills 3.1 Enterprise Wireless
- Cisco Wireless LAN Controllers
- Cisco Catalyst 9800 Series
- Cisco AireOS
- Cisco Mobility Express
- Cisco Embedded Wireless Controller
- Cisco Access Points
- Cisco Catalyst Wireless
3.2 RF Technologies
- RF Planning, Optimization, Troubleshooting
- Spectrum Analysis
- Predictive, Passive and Active Site Survey
- Validation Survey
- Heat Map Analysis
- Coverage Planning
- Capacity Planning
- Channel Planning
3.3 Wireless Standards
- IEEE 802.11 a/b/g/n/ac/ax (Wi-Fi 6 and 7)
- Wi-Fi 6E
- WPA2
- WPA3
- 802.1X
- Fast Roaming
- MU-MIMO
3.4 Site Survey Tools
- Ekahau
- AirMagnet Survey Pro (preferred)
- Educational Qualifications
- Bachelor's degree in computer science, Information Technology, Computer Engineering, Electronics Engineering, or a related field.
- Preferred Certifications
- Cisco CCNP Enterprise (Wireless)
- Cisco CCIE Enterprise Infrastructure (Preferred)
- CWNA (Certified Wireless Network Administrator)
- Ekahau Certified Survey Engineer (ECSE)
- Experience Requirements
- 5+ years of hands-on enterprise wireless networking experience.
- Extensive experience managing Cisco Wireless LAN Controllers across multiple platforms.
- Experience with Cisco Catalyst 9800 migrations from AireOS.
- Experience performing enterprise wireless site surveys and RF planning.
- Experience designing high-density wireless environments.
- Strong knowledge of wireless security and Cisco ISE or Aruba ClearPass integration.
- Experience supporting large-scale enterprise wireless deployments with thousands of Access Points.
- Experience working in healthcare, airports, universities, hospitality, banking, government, or large enterprise environments.
- Experience deploying 802.1X authentication across campus LAN and WLAN environments.
- Experience integrating NAC solutions with Cisco Wireless LAN Controllers, Catalyst Switches, Active Directory, PKI, VPN, and enterprise security platforms.
- Experience with guest access, BYOD onboarding, endpoint profiling, posture assessment, and role-based network access control.
- Core Competencies
- Advanced RF troubleshooting
- Enterprise wireless architecture
- Wireless network design
- Capacity planning
- Coverage optimization
- High-density Wi-Fi deployments
- Excellent analytical and troubleshooting skills
- Strong documentation practices
- Project implementation and migration
- Customer-focused service delivery
- Vendor coordination
- Team collaboration and mentoring
Ability to work during critical incidents and
Skills: cisco wireless,cisco,wireless,infrastructure,design
