Cisco ISE Subject Matter Expert designing, developing, and deploying C2C solutions for DHS networks. Leading architecture aligned with DoD Zero Trust principles and security requirements.
Responsibilities
Lead architecture and design of Cisco ISE 3.x solutions (multi-node personas, PSN scaling, redundancy, PKI integration, backup/DR).
Map ISE capabilities (802.1X/EAP-TLS, MAB, profiling, posture, SGT/TrustSec, pxGrid, TACACS+) to DoD C2C controls and Zero Trust policies.
Design and document high-level (HLD) and low-level (LLD) architectures, test plans, cutover/runbooks, and operational documentation.
Work jointly with another Architect to ensure consistent design standards and interoperability across USCG network segments.
Support configuration, testing, and deployment of ISE-based NAC solutions across campus, data center, and wireless infrastructures.
Integrate ISE with adjacent tools and platforms, including: SIEMs (Splunk/Elastic), Next-Generation Firewalls, Endpoint Protection/EDR, MDM/UEM (Intune, JAMF), Vulnerability Management (Tenable/ACAS), ITSM platforms.
Support RMF/ATO documentation (SSP inputs, POA&Ms, control traceability).
Act as the technical SME and primary liaison for DHS stakeholders, security teams, and third-party vendors.
Participate in joint architecture reviews and cross-domain integration testing with DHS engineering teams.
Requirements
Active DoD Secret Clearance (or higher)
IAT Level III certification such as CCIE Security, CCNP Security, or Cisco ISE Specialist / DoD 8570/8140: Security+ CE, CISSP, or CASP+
7+ years of ISE design and deployment experience in DoD environments
Proven experience implementing DoD C2C solutions, including endpoint identification, compliance enforcement, and automated remediation workflows
Technical Skills: 802.1X/EAP-TLS, supplicant configuration (Windows/macOS/Linux), MAB fallback, guest/BYOD posture and profiling TrustSec/SGT design pxGrid, ERS/REST APIs, Python automation
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