L3 NOC Engineer - Cisco ISE Support

Description :

Job Title : L3 NOC Engineer Cisco ISE Support

Location : Mumbai

Department : Network Operations Center (NOC) / Enterprise Security Operations

Experience : 7 to 10 years (with a minimum 3 years in Cisco ISE support and troubleshooting)

Reports To : NOC Manager / Network Operations Lead

Role Overview :

The L3 NOC Engineer Cisco ISE Support will be responsible for troubleshooting, maintaining, and optimizing Cisco Identity Services Engine (ISE) deployments in live production environments. The role involves deep technical engagement across authentication, authorization, network access control, device profiling, posture assessment, guest access, threat containment, and TACACS-based device administration.

The ideal candidate will possess strong analytical and protocol-level troubleshooting skills, ensuring secure, reliable, and compliant network access across wired, wireless, and VPN infrastructures.

Key Responsibilities :

Operational Support :

• Provide L3-level technical support for Cisco ISE infrastructure in a live enterprise network environment.
• Monitor and troubleshoot issues related to authentication (802.1X, MAB, EAP) and authorization failures.
• Support and maintain Network Access Control (NAC) policies, including pre-admission and post-admission controls.
• Perform end-to-end RADIUS, TACACS+, and CoA troubleshooting across access switches, WLCs, and firewalls.
• Manage device profiling and posture assessments, ensuring endpoint compliance and policy enforcement.
• Support guest access workflows including captive portal redirection, guest account provisioning, and portal customization.
• Configure and troubleshoot BYOD onboarding, device registration, and certificate-based access.
• Handle threat containment and network quarantine activities via Cisco ISE integrations (pxGrid, AMP, Firepower, etc.).
• Administer device access control via TACACS+ for routers, switches, and firewalls.
• Maintain system health, redundancy, and policy synchronization across ISE nodes in distributed deployment.

Troubleshooting & Analysis :

Process & Documentation :

Technical Skills Required :

Core Competencies :

Preferred Tools & Technologies :

Soft Skills :

Educational Qualifications :

Work Environment :

(ref : hirist.tech)