
Network Security Engineer (NAC) at GuidePoint Security. Location Information: . 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. This is a consulting-focused role that requires strong client-facing skills and the ability to design, implement, and troubleshoot NAC solutions in diverse network infrastructures.. 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.. Required Qualifications:. 3+ years of experience. implementing and managing . Cisco ISE. in enterprise environments.. Strong understanding of . network security concepts. including 802.1X, RADIUS, EAP-TLS, device profiling, and posture checks.. Experience integrating ISE with . Active Directory. , . certificate authorities. , and . third-party MDM/SIEM. tools.. Solid knowledge of . LAN switching. , . VLANs. , and . network architecture. required to support NAC deployments.. Familiarity with NAC in both wired and wireless environments, including . Cisco Catalyst, Cisco WLC, or Meraki. infrastructure.. Experience working in a . consulting or MSP environment. and managing multiple projects or clients.. Excellent communication skills, both written and verbal, for stakeholder engagement and documentation.. Preferred Qualifications:. Experience with other NAC platforms such as . Aruba ClearPass. , . Forescout. , or . Portnox. .. Cisco certifications such as . CCNP Security. , . Cisco ISE Specialist. , or relevant . NAC vendor certifications. .. Understanding of . Zero Trust Network Access (ZTNA). and how NAC fits into a modern segmentation and access strategy.. Experience with . guest access portals. , . self-registration. , and . contractor device onboarding. .