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# Cisco Identity Services Engine (ISE) Engineer

- **Company:** Vailexa Technology LLC
- **Location:** Plano, TX, United States
- **Contract:** Temporary contract
- **Skills:** Access Network, Active Directory, User Authentication, Lightweight Directory Access Protocols (LDAP), Systems Integration, Wireless Access Point, Wireless Networks, Wireless Engineering, Wi-Fi Technology, Data Logging, Identity Services Engine, Change Tracking, Documentation System, Cisco
- **Published:** November 7, 2026
- **Apply:** https://www.dice.com/job-detail/94c643b9-6dff-4354-a7ed-de25d5f8152d

## About the Role

* Required: Hands-on experience administering and troubleshooting Cisco ISE in an enterprise environment.
 * Required: Experience with Cisco ISE upgrades, configuration cleanup, or platform maintenance.
 * Required: Working knowledge of network access authentication and authorization, including Remote Authentication Dial-In User Service (RADIUS) and IEEE 802.1X.
 * Required: Ability to analyze authentication failures and communicate findings clearly to technical and nontechnical stakeholders.
 * Required: Experience planning and documenting changes in a production environment.
 * Preferred: Wireless networking experience, such as Cisco Wireless LAN Controller (WLC) configuration, access point operations, or radio frequency (RF) fundamentals.
 * Preferred: Experience troubleshooting end-to-end Wi-Fi authentication involving ISE, wireless controllers, and access points.
 * Preferred: Familiarity with identity integrations such as Microsoft Active Directory or Lightweight Directory Access Protocol (LDAP), certificates, and endpoint profiling.
 * Preferred: Relevant Cisco certifications or equivalent practical experience.

Tools and Technologies:

 * Cisco Identity Services Engine (ISE)
 * RADIUS and IEEE 802.1X
 * Cisco Wireless LAN Controllers and access points
 * Microsoft Active Directory, LDAP, and certificate services
 * Cisco ISE logging, policy results, endpoint profiling, and change documentation tools

## Description

Position Overview: This six-month contract role is based in Denver, Colorado. The engineer will assess, clean up, and upgrade an existing Cisco Identity Services Engine (ISE) environment that supports Wi-Fi authentication. The primary focus is ISE configuration, policy, platform health, and upgrade execution. Wireless engineering experience is helpful but not required., * Assess the current Cisco ISE deployment, configuration, policies, and operational health.

 * Identify configuration inconsistencies, outdated settings, and opportunities to simplify or improve the environment.
 * Plan and support a Cisco ISE upgrade, including prerequisites, sequencing, change coordination, validation, and rollback planning.
 * Review and maintain authentication and authorization policies, policy sets, identity sources, and related services.
 * Troubleshoot authentication and access issues by using logs and policy results to identify root causes.
 * Coordinate with network, security, and infrastructure teams to understand dependencies and minimize service disruption.
 * Document the existing environment, changes made, test results, and operational recommendations.
 * Support testing of wireless authentication flows and help resolve issues involving ISE and network access infrastructure.