Job Summary

Job Description

We are seeking an experienced Network Security Engineer (L2) with expertise in Cisco ISE, Firewall Security, SD-WAN, Routing & Switching, and Enterprise Network Security Technologies. The candidate will be responsible for managing and supporting network security infrastructure, identity and access management solutions, firewall operations, and secure connectivity across enterprise environments.

Key Responsibilities

Cisco ISE & NAC

Administer and support Cisco Identity Services Engine (ISE) infrastructure.
Configure and troubleshoot 802.1X, MAB, RADIUS, TACACS+, Guest Access, BYOD, and Posture Assessment.
Implement TrustSec, Security Group Tags (SGT), Energetic Authorization, and Role-Based Access Controls.
Integrate Cisco ISE with Active Directory, LDAP, PKI, VPNs, Wireless Controllers, and security tools.
Perform upgrades, patching, backups, and health monitoring of Cisco ISE environments.

Firewall Administration

Manage, configure, and troubleshoot enterprise firewall environments.
Create, modify, review, and optimize firewall security policies.




Implement and maintain NAT, VPN, IPS, URL filtering, and application-based security policies.
Analyze firewall logs and security events for incident investigation and troubleshooting.
Conduct firewall rule reviews, policy recertification, and security hardening activities.
Support firewall migration, upgrades, and high-availability deployments.

SD-WAN / SWAN

Support Cisco SD-WAN (Viptela) infrastructure.
Troubleshoot WAN connectivity, routing, application performance, and VPN issues.
Configure and maintain SD-WAN security and segmentation policies.
Manage vManage, vSmart, vBond Controllers, and WAN Edge devices.

Network Security Operations

Support day-to-day network security operations and incident management.
Monitor network security alerts and coordinate with SOC teams.
Perform root cause analysis for security incidents and outages.
Participate in change management, implementation, and

📌 Network Security Engineer (Hyderabad)
🏢 SHI Solutions India
📍 Hyderabad