TCS IS HIRING FOR Wireless Network Engineer/SME/Architect

Tata Consultancy Services; Chennai District; On-site; INR 600,000 - 1,200,000; Full time

Job summary

Tata Consultancy Services in Chennai invites a Wireless Network Engineer/SME/Architect to lead RF planning, site surveys, and secure enterprise Wi‑Fi deployments across multi‑vendor environments. You will design SSID frameworks, optimize coverage, and implement segmentation and guest access.

Expertise in Wi‑Fi 5/6/6E/7, RF engineering, and using Ekahau heatmaps is required, with hands-on experience on Cisco and Aruba controllers. Strong collaboration and problem-solving skills are essential.

Qualifications

• Experience in RF planning and optimization for enterprise Wi-Fi deployments.
• Experience with security models (802.1X, RADIUS) and guest access implementations.

Responsibilities

• Conduct or review RF site surveys for validation and optimization.
• Lead RF planning activities including predictive modeling and spectrum analysis.
• Define RF profiles and power/channel allocation strategies.
• Analyze interference and client distribution to optimize coverage and performance.
• Develop RF optimization guidelines for various environments.
• Architect security models including 802.1X with RADIUS for secure enterprise access.
• Implement guest Wi-Fi with captive portals, segmentation, and security controls.
• Ensure segmentation using VLANs and RBAC where applicable.
• Maintain compliance with organizational security standards.

Skills

RF planning

Predictive modeling

Spectrum analysis

Propagation modeling

SSID design

802.1X security

WPA3-Enterprise

Guest access

VLAN segmentation

RF engineering

Cisco controllers

Aruba controllers

Ekahau

Heatmaps

Mobility protocols

Multi-vendor environments

Tools

Ekahau

Job description

Skill- Wireless Network Engineer/SME/Architect

Responsibilities

• Conduct or review physical site surveys (predictive, passive, and active) for validation and optimization.
• Lead RF planning activities including predictive modeling, spectrum analysis, and signal propagation assessments.
• Define RF profiles and power/channel allocation strategies based on building characteristics, device density, and application requirements.
• Analyze interference, attenuation factors, and client distribution to optimize coverage and performance.
• Develop RF optimization guidelines for indoor, outdoor, high-density, and mission-critical environments.
• Develop standardized SSID frameworks based on user groups, device types, and enterprise security policies.
• Architect security models including: 802.1X with RADIUS/EAP for secure enterprise access, WPA3-Enterprise/Personal, SAE, OWE.
• Implement Guest Wi-Fi models with captive portals, segmentation, and bandwidth/security controls.
• Implement segmentation using VLANs, dynamic policies, and role-based access control.
• Ensure compliance with organizational security standards and regulatory requirements.
• Strong knowledge of Wi-Fi 5/6/6E/7 standards, RF engineering, and wireless controller platforms (Cisco & Aruba).
• Experience with security models (RADIUS/802.1X, certificates, PSK variants) and guest access solutions.
• Skilled in wireless tooling (Ekahau) and interpreting survey heatmaps.
• Understanding of mobility protocols and client behaviours across major multi-vendor environments.