Expert Cisco ISE Network Engineer

MANTECH • Doral, FL

3h • Onsite

About The Position

MANTECH seeks a motivated, career- and customer-oriented Expert Cisco ISE Network Engineer to join its team in Doral, Florida. The role supports mission networks through the architecture, deployment, and administration of enterprise Cisco Identity Services Engine (ISE) solutions across multiple sites. The engineer designs and enforces network access policies, integrates ISE with enterprise identity and network security systems, and maintains reliable, secure access through upgrades, performance tuning, and high-availability deployments. The position also provides tier-3 troubleshooting and produces network architecture documentation and operating procedures.

Requirements

• Bachelor’s degree in Computer Science, Information Technology, Network Engineering, or a related field and 7 or more years of network engineering experience; alternatively, a master’s degree and 5 or more years of relevant experience, 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).
• Must hold a current, active Top Secret security clearance.

Nice To Haves

• 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.

Responsibilities

• Architect, deploy, and administer enterprise Cisco Identity Services Engine (ISE) solutions across multi-site mission networks.
• Design and enforce 802.1X authentication, posture assessment, profiling, and guest access policies.
• Integrate Cisco ISE with Active Directory, PKI certificate authorities, firewalls, and network access devices.
• Manage TACACS+ and RADIUS protocols to maintain role-based access control and device administration standards.
• Lead software upgrades, patch deployments, performance tuning, and high-availability clustering for ISE deployments.
• Troubleshoot complex tier-3 network access, security posture, and authentication issues across routing and switching fabrics.
• Develop and maintain network architecture diagrams, implementation guides, and standard operating procedures.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior