Bachelor's degree in Computer Science, IT, Network Engineering, or related field with 5+ years of experience, or equivalent experience with lower education levels.
Proven experience with Cisco Identity Services Engine (ISE) in an enterprise setting.
Strong background in enterprise routing, switching, and 802.1X authentication.
Experience with RADIUS and TACACS+ protocols for network access control.
Ability to troubleshoot complex network security and authentication issues.
Responsibilities
Design and deploy Cisco ISE infrastructure across multi-site networks.
Implement and enforce 802.1X authentication and guest access policies.
Integrate Cisco ISE with Active Directory and security tools.
Manage RADIUS and TACACS+ for role-based access control.
Conduct software upgrades and vulnerability remediation for Cisco ISE.
Monitor system health and analyze network access logs.
Maintain comprehensive network documentation and standard operating procedures.
Benefits
Opportunity to work in a dynamic, mission-driven environment.
Engagement with cutting-edge network security technologies.
Potential for career advancement within a growing company.
Collaborative team culture focused on professional development.
Full Job Description
Description & Requirements
MANTECH seeks a motivated, career and customer-oriented Senior Cisco ISE Network Engineer to join our team in Doral, FL.
Responsibilities include but are not limited to:
Designing, deploying, configuring, and maintaining enterprise Cisco Identity Services Engine (ISE) infrastructure across multi-site mission networks.
Developing, implementing, and enforcing 802.1X authentication, posture assessment, profiling, and guest access policies.
Integrating Cisco ISE with Active Directory, PKI infrastructure, network access devices, firewalls, and security operations tools.
Managing RADIUS and TACACS+ protocols to enforce role-based access control, device administration standards, and network segmentation.
Conducting software upgrades, patch management, performance tuning, and vulnerability remediation across Cisco ISE nodes.
Monitoring system health, analyzing network access logs, and resolving complex tier-3 network security and authentication incidents.
Maintaining comprehensive network documentation, including architecture diagrams, implementation plans, and standard operating procedures.
Minimum Qualifications:
Bachelor's degree in Computer Science, Information Technology, Network Engineering, or a related field with 5+ years of experience in network engineering.
OR a master's degree and 3+ or more years of relevant experience
OR an associate's degree and 7+ or more years of relevant experience
OR a high school diploma and 9+ 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 Network Professional (CCNP Security) or Cisco Certified Internetwork Expert (CCIE) certification.
Experience integrating Cisco ISE with Cisco DNA Center, SD-Access, Firepower, or SIEM platforms.
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.
About ManTech International
ManTech International Corporation is an American defense contracting firm that was founded in 1968. The company provides cybersecurity, intelligence, and defense solutions to the United States Government. ManTech has over 9,000 employees and operates in 40 countries worldwide. The company's services include software development, systems engineering, and enterprise IT solutions. ManTech has been awarded numerous contracts by the U.S. Department of Defense and other government agencies.
