Senior Cisco Identity Services Engine (ISE) Engineer

• 10-15 years of Network/Security Engineering experience.
• Strong hands-on experience with Cisco ISE 3.x in large enterprise environments.
• Experience with Cisco ISE upgrades, patching, troubleshooting, administration, and multi-node deployments.
• Strong knowledge of 802.1X, RADIUS, EAP/EAP-TLS, NAC, AAA, Authentication & Authorization Policies.
• Experience with Active Directory integration, Security Groups, and Identity Sources.
• Strong understanding of PKI and Certificate Management, including server certificates, CA chains, certificate renewals, thumbprints, and certificate-based authentication.
• Experience with Cisco ISE vulnerability remediation, security patching, and production support.
• Hands-on experience with packet captures, ISE logs, authentication troubleshooting, and root cause analysis.

• Experience integrating Cisco ISE with:

• Cisco Catalyst
• Meraki
• Firewalls
• F5
• DNS
• Splunk/SIEM platforms

ServiceNow & Change Management

• Experience creating and managing ServiceNow Change Requests.
• Ability to write implementation, validation, rollback, and risk assessment plans.

• Experience executing:

• ISE upgrades and patching
• Certificate renewals
• DNS changes
• Policy updates
• Security group changes
• New integrations
• Infrastructure migrations

Incident & Support Experience

• Strong troubleshooting experience across: Endpoint * Switch/AP * ISE * Active Directory * Authorization Policy * Network Access
• Experience with major incidents, RCA, and Cisco TAC case management.
• Ability to diagnose authentication, authorization, certificate, and connectivity issues.

Infrastructure & Automation

• Experience with:

• Cisco ISE migrations and node deployments
• High Availability (HA) environments
• Splunk monitoring and alerting
• ServiceNow integrations

Preferred experience with:

• Python
• Ansible
• Terraform
• REST APIs
• CI/CD Automation, * CCNP Enterprise / CCNP Security or equivalent.
• Experience with Cisco Catalyst, Meraki, Enterprise Wireless, Active Directory, PKI, Splunk, and ServiceNow.
• Experience in highly regulated enterprise environments.