NTT DATA-MS Network Engineer

Naukri E-hire; Bengaluru; Hybrid; INR 1,500,000 - 2,200,000; Full time

Job summary

Naukri E-hire in Bengaluru is seeking an experienced L3 Wireless Network Engineer to manage enterprise Wi‑Fi. You will troubleshoot Aruba, ClearPass, and Arista CloudVision environments while ensuring high availability and performance of wireless services.

The role covers incident management, device provisioning, and collaboration with cross-functional teams in a 24x7 setting. Relevant Aruba/Arista expertise and site-survey experience are essential.

Qualifications

• Good knowledge on IEEE WIFI standards and working principles.
• Thorough understanding of Aruba wireless infrastructure.
• L3 knowledge on wireless security features, including access-lists, firewalls, encryption and roaming.
• Design, implement and support WLANs by performing and documenting based on wireless site survey
• Should have good knowledge in Aruba wireless controllers, Clear pass & Aruba Central
• Support of Wireless infrastructure including Aruba Airwave, Aruba Controller, Aruba 7200 Mobility, Aruba Activate, Clear pass, Aruba aps Rap3/ Rap155/ 303H/ 203R/ 205H etc
• Perform critical wireless network assessments, modeling & analysis, Good Troubleshooting skills on major WIFI issues
• Experience in upgrading the controllers, Access points & Central
• Troubleshoot and perform remediation repairs on access points.
• Develop device configuration files from scratch and modify existing configuration files in AP & Controller
• Good understanding of Switching & Routing.
• Diagnose difficult network performance problems and interact with application support teams to diagnose network or application performance issues.
• Experience with Guest networking solutions
• Good knowledge on WLC & AP Redundancy techniques
• Aruba Mobility Controllers
• Aruba Instant
• Aruba Central (Preferred)
• WLAN Configuration and Troubleshooting
• RF Optimization and Client Connectivity Issues
• SSID and Security Policy Management

Responsibilities

• Provide Level-3 operational support for Aruba Wireless, ClearPass and Arista CloudVision environments.
• Monitor and troubleshoot enterprise wireless infrastructure including Access Points, controllers, and cloud-managed platforms.
• Diagnose and resolve wireless connectivity, roaming, authentication, and performance-related issues.
• Support onboarding, provisioning, and configuration of wireless devices.
• Perform incident management, problem management, and root cause analysis (RCA).
• Work on change requests, service requests, and maintenance activities.
• Monitor wireless network health, RF performance, and client connectivity.
• Collaborate with L3 engineers, vendors, and customers for complex issue resolution.
• Maintain operational documentation, SOPs, and knowledge base articles.
• Participate in major incident calls and support activities in a 24x7 environment.

Skills

WIFI standards

Aruba wireless

Aruba ClearPass

Aruba Central

Aruba Airwave

Arista CloudVision

Arista Wireless

Network troubleshooting

RF optimization

Guest networking

WLC management

Security policies

Roaming troubleshooting

802.11 standards

Tools

Aruba Airwave

Aruba Central

CloudVision

Arista CloudVision

ClearPass

Job description

Job Summary

We are seeking an experienced L3 Wireless Network Engineer with strong expertise in Aruba Wireless + ClearPass , Arista Wireless / Cloud Vision

. The engineer will be responsible for providing Level 3 support, troubleshooting wireless infrastructure issues, monitoring network performance, and ensuring high availability of enterprise Wi-Fi services.

Key Responsibilities

• Provide Level-3 operational support for Aruba Wireless , clearpass and Arista CloudVision environments.
• Monitor and troubleshoot enterprise wireless infrastructure including Access Points (APs), controllers, and cloud-managed platforms.
• Diagnose and resolve wireless connectivity, roaming, authentication, and performance-related issues.
• Support onboarding, provisioning, and configuration of wireless devices.
• Perform incident management, problem management, and root cause analysis (RCA).
• Work on change requests, service requests, and maintenance activities.
• Monitor wireless network health, RF performance, and client connectivity.
• Collaborate with L3 engineers, vendors, and customers for complex issue resolution.
• Maintain operational documentation, SOPs, and knowledge base articles.
• Participate in major incident calls and support activities in a 24x7 environment.

Primary Technical Skills (Must Have)

• Good knowledge on IEEE WIFI standards and working principles.
• Thorough understanding of Aruba wireless infrastructure.
• L3 knowledge on wireless security features, including access-lists, firewalls, encryption and roaming.
• Design, implement and support WLANs by performing and documenting based on wireless site survey
• Should have good knowledge in Aruba wireless controllers, Clear pass & Aruba Central
• Support of Wireless infrastructure including Aruba Airwave, Aruba Controller, Aruba 7200 Mobility, Aruba Activate, Clear pass, Aruba aps Rap3/ Rap155/ 303H/ 203R/ 205H etc
• Perform critical wireless network assessments, modeling & analysis, Good Troubleshooting skills on major WIFI issues
• Experience in upgrading the controllers, Access points & Central
• Troubleshoot and perform remediation repairs on access points.
• Develop device configuration files from scratch and modify existing configuration files in AP & Controller
• Good understanding of Switching & Routing.
• Diagnose difficult network performance problems and interact with application support teams to diagnose network or application performance issues.
• Experience with Guest networking solutions
• Good knowledge on WLC & AP Redundancy techniques
• Aruba Mobility Controllers
• Aruba Instant
• Aruba Mobility Controllers
• Aruba Access Points
• Aruba Central (Preferred)
• WLAN Configuration and Troubleshooting
• RF Optimization and Client Connectivity Issues
• SSID and Security Policy Management

Arista Wireless

• Arista WiFi / Cognitive WiFi Administration
• Access Point provisioning and troubleshooting
• SSID creation and management
• Security policy configuration
• Guest Wireless configuration
• RF optimization and wireless performance analysis
• Wireless client troubleshooting

Arista CloudVision

• CloudVision Portal (CVP) monitoring and operations
• Device inventory and lifecycle management
• Network visibility and analytics
• Configuration management
• Event correlation and troubleshooting
• Dashboard monitoring and reporting

Wireless Technologies

• 802.11 a/b/g/n/ac/ax standards
• RF fundamentals and spectrum analysis
• Channel planning and interference troubleshooting
• Roaming optimization
• Client authentication troubleshooting