Expert Cisco ISE Network Engineer with Security Clearance

MANTECH seeks a motivated, career and customer-oriented Expert Cisco ISE Network Engineer to join our team in Doral, FL. Responsibilities include but are not limited to:

• 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.

Minimum Qualifications

• 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).

Preferred Qualifications

• 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.