Network Operations Center Engineer - DHCP/SNMP

Job Title : NOC Engineer (Network Operations Center).

Experience : 5+ Years.

Location : Navi Mumbai.

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.

Technical Skills Required :

Core Competencies :

- Strong understanding of Cisco ISE architecture (PAN, PSN, MnT) and operational workflows.

- In-depth knowledge of AAA protocols (RADIUS, TACACS+), EAP methods, and 802.1X authentication.

- Experience with Active Directory, LDAP, PKI, and Certificate-based authentication.

- Expertise in CoA, DACLs, VLAN assignments, and authorization profiles.

- Experience in Device Profiling (DHCP, SNMP, HTTP probes) and Posture Assessment using Cisco AnyConnect.

- Proficiency in Guest Access Portals, BYOD workflows, and Device Onboarding.

- Working knowledge of pxGrid integrations, ANC policies, and threat containment workflows.

- Familiarity with Cisco TrustSec (SGTs, SGACLs) and network segmentation concepts.

- Hands-on experience with ISE logs, debug commands, and Wireshark packet captures.

- Understanding of network devices (Switches, WLCs, Firewalls) integrated with ISE.