- 8-12+ years of networking or security infrastructure experience, including at least 5 years of NAC or identity-services experience.
- Robust hands-on experience with Aruba ClearPass Policy Manager administration and complex authentication troubleshooting.
- Deep knowledge of 802.1X, RADIUS, TACACS+, EAP methods, certificates, PKI, Active Directory, LDAP, endpoint profiling, and authorization.
- Experience with large-scale wired and wireless NAC environments, high availability, upgrades, and security integrations.
- Working knowledge of routing, switching, wireless, firewalls, DHCP, DNS, APIs, automation, and ITIL processes.

ResponsibilitiesAruba ClearPass NAC - Primary
- Administer and troubleshoot Aruba ClearPass Policy Manager clusters, nodes, services, policies, roles, enforcement profiles, and network device definitions.
- Configure and troubleshoot 802.1X, MAC Authentication Bypass, RADIUS, TACACS+, EAP-TLS, PEAP, certificate-based authentication, and authorization flows.
- Manage endpoint profiling, posture, device categories, custom fingerprints, role mapping,



segmentation, and access enforcement.
- Support ClearPass Guest, Onboard, OnGuard, captive portal, BYOD, sponsor workflows, and certificate lifecycle processes where deployed.
- Integrate ClearPass with Active Directory, LDAP, PKI, MDM/UEM, SIEM, firewalls, wireless controllers, switches, and ITSM platforms.
- Troubleshoot authentication failures using Access Tracker, event viewer, RADIUS attributes, endpoint data, certificates, packet captures, and device logs.
- Plan and execute upgrades, patches, cluster maintenance, backups, restores, migrations, certificate renewals, and disaster-recovery tests.
- Develop standards, reusable policy designs, APIs, automation, reporting, audit controls, and operational documentation.

Operations, Governance & Technical Leadership
- Own or support P1/P2 major incidents, participate in technical bridge calls, and provide timely stakeholder updates.
- Execute inciden

📌 Network Engineer (Yelahanka)
🏢 Tata Consultancy Services
📍 Yelahanka