Senior Network Engineer - Wireless Job ID: 402618

K20s; United Arab Emirates; On-site; AED 300,000 - 470,000; Full time

Job summary

K20s is seeking a Senior Wireless Network Engineer to design, implement, and operate enterprise Wi-Fi across healthcare, office and campus environments, focusing on high availability, security and performance. The role covers RF planning, site surveys, controller administration, and troubleshooting in large-scale deployments.

You will work with Cisco Wireless LAN Controllers (AireOS/Catalyst 9800), Cisco ISE or ClearPass integration, and network management platforms to ensure robust guest

Qualifications

• Bachelor’s degree in CS/IT or related field.
• 5+ years of hands-on enterprise wireless networking experience.
• Experience with Cisco Wireless LAN Controllers across multiple platforms.

Responsibilities

• 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.
• 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.
• Lead enterprise wireless implementation projects.
• Execute wireless migration projects.
• Perform wireless technology refreshes.
• Prepare implementation and rollback plans.

Skills

RF troubleshooting

Wireless design

Capacity planning

Documentation

Project management

Education

Bachelor’s degree in CS/IT

Tools

Ekahau

AirMagnet Survey Pro

Cisco ISE

Job description

1. Role Summary

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).

2. 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.

2. 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.

3. 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)

4. Educational Qualifications

• Bachelor’s degree in computer science, Information Technology, Computer Engineering, Electronics Engineering, or a related field.

5. Preferred Certifications

• Cisco CCNP Enterprise (Wireless)
• Cisco CCIE Enterprise (Preferred)
• CWNA (Certified Wireless Network Administrator)
• Ekahau Certified Survey Engineer (ECSE)

6. 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.

7. 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