About The Company

Tata Communications Redefines Connectivity with Innovation and IntelligenceDriving the next level of intelligence powered by Cloud, Mobility, Internet of Things, Collaboration, Security, Media services and Network services, we at Tata Communications are envisaging a New World of Communications

Role: NAC (Cisco ISE) L3 Engineer / SME

Location: Pune

Experience: 7–10+ years (3–5 years Cisco ISE mandatory)

Job Summary

Hiring an experienced Cisco ISE L3 Engineer with robust hands-on expertise in Cisco ISE, Cisco Wireless (WLC 9800/AireOS), and Cisco Meraki (MR/MX/MS). Role involves enterprise NAC deployment, L3 escalations, secure access design, wireless authentication troubleshooting, and integration across wired, wireless, and cloud-managed environments.

Key Responsibilities

Deploy & troubleshoot Cisco ISE (802.1X, MAB, Posture, BYOD, Guest, Profiling).
Provide L3 escalation for NAC,



Cisco Wireless, and Meraki incidents.
Integrate ISE with Cisco WLC and Meraki Dashboard for secure access.
Troubleshoot wireless 802.1X authentication, RADIUS, certificate issues.
Manage Cisco Wireless (9800/AireOS) & Meraki WLAN/Security setups.
Create HLD/LLD, SOPs, RCA, and follow ITIL processes.

Required Skills

Cisco ISE (PAN/PSN/MnT), RADIUS/TACACS+, EAP‑TLS/PEAP.
Cisco Wireless (AireOS/9800), RF basics, SSID security.
Cisco Meraki MR/MX/MS administration.
Strong knowledge of VLANs, PKI, AD/LDAP, MDM, certificates.
Packet capture, RADIUS logs, debugging experience.

Preferred Certifications

SISE, CCNP Security/Enterprise
CMNA/CMNP (Meraki), Wireless Specialist
ITIL V3/V4

📌 Manager - Customer Service Operations (Pune)
🏢 Tata Communications
📍 Pune