Network Security Engineer (NAC)

We are looking for a Network Security Engineer with deep expertise in Network Access Control (NAC) to lead and support NAC implementations in complex enterprise environments. The ideal candidate will have extensive hands-on experience with Cisco Identity Services Engine (ISE) and a strong understanding of 802.1X, RADIUS, posture assessment, and endpoint profiling. Key Responsibilities: Lead the design, deployment, and operational support of NAC solutions , primarily using Cisco ISE . Work with clients to develop access control policies , device profiling, posture assessments, and guest/BYOD workflows. Configure and troubleshoot 802.1X, MAB, RADIUS, TACACS+ , and integration with AD, PKI, and other identity stores. Integrate NAC with other security tools such as firewalls, SIEMs, MDM solutions , and EPP/EDR platforms. Provide strategic guidance to clients on NAC policy development , user segmentation, and zero trust principles. Deliver documentation , runbooks , and knowledge transfer for ongoing client operations. Support NAC assessments, policy refinement, and incident response scenarios where NAC plays a role. Work in tandem with network, security, and desktop teams to ensure alignment across all access control layers.