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# Expert Cisco ISE Network Engineer

- **Company:** Mantech International Corporation
- **Location:** Miami, FL, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Access, IEEE 802.1X, Access Network, Active Directory, User Authentication, Profiling, System Configuration, Internetworking, Network Architecture, Routing, Performance Tuning, Public Key Infrastructure, Role-Based Access Control, SAP Sales and Distribution, Systems Integration, Identity Services Engine, Network Access Control, Firewalls (Computer Science), Information Technology, TACACS+ Protocol, Cyber Warfare, Cisco
- **Published:** November 7, 2026
- **Apply:** https://www.miamigigs.com/job.asp?id=3501823189&tx=FK5956FFI&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

* Bachelor's degree in Computer Science, Information Technology, Network Engineering, or a related field with 7+ years of experience in network engineering.
 * OR a master's degree and 5+ or more years of relevant experience
 * OR an associate's degree and 9+ or more years of relevant experience
 * OR a high school diploma and 11+ or more years of relevant experience
 * Proven experience configuring, administering, and troubleshooting Cisco Identity Services Engine (ISE) in an enterprise environment. Strong background in enterprise routing, switching, 802.1X authentication, RADIUS/TACACS+ protocols, and network access control (NAC)., * Cisco Certified Internetwork Expert (CCIE Security or Enterprise) or Cisco Certified Network Professional (CCNP Security).
 * Experience integrating Cisco ISE with Cisco DNA Center, SD-Access, or stealthwatch/cyber defense monitoring tools.
 * Prior experience supporting U.S. Military Command operations or Department of Defense enterprise network environments.

Clearance Requirements:

 * Must hold a current/active top secret security clearance.

Physical Requirements:

 * Must be able to remain in a stationary position 50%.
 * Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
 * Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

## Description

* Architecting, deploying, and administering enterprise Cisco Identity Services Engine (ISE) solutions across multi-site mission networks.
 * Designing and enforcing 802.1X authentication, posture assessment, profiling, and guest access policies.
 * Integrating Cisco ISE with Active Directory, PKI certificate authorities, firewalls, and network access devices.
 * Managing TACACS+ and RADIUS protocols to maintain role-based access control and device administration standards.
 * Leading software upgrades, patch deployments, performance tuning, and high-availability clustering for ISE deployments.
 * Troubleshooting complex tier-3 network access, security posture, and authentication issues across routing and switching fabrics.
 * Developing and maintaining detailed network architecture diagrams, implementation guides, and standard operating procedures.