CareerPlan

Lead Network Security Engineer

Wilmington, DE, USFull-time$128k–$214k2026-11-04 → 2026-11-10
Hybrid

Core

Designing and implementing large-scale Cisco ISE-based Network Access Control (NAC) solutions to enhance secure access, authentication, and network segmentation across enterprise environments.

Role type

Senior IC Network Security Engineer (Identity & Access)

Builds

Enterprise authentication, authorization, and accounting (AAA) services; Zero Trust access controls; Network segmentation strategies.

Domain

Cybersecurity / Network Infrastructure

Required skills

Cisco ISE, 802.1X, RADIUS, TACACS+, Active Directory, LDAP, PKI, SIEM integration, Zero Trust architecture, Network segmentation, Device profiling, Automation/Orchestration

Preferred skills

Systems design, Tool development/customization, Architecture translation, Critical thinking, Data analysis, Indirect leadership

Technologies

Cisco ISE, Cisco TrustSec, Security Group Tags (SGTs), Active Directory, LDAP, PKI, SIEM

Responsibilities

Implement and maintain Cisco ISE policies for AAA services; Manage lifecycle of distributed ISE nodes and high-availability configurations; Develop automation for user provisioning and policy management; Troubleshoot complex authentication and access issues; Partner with teams to implement Zero Trust principles; Mentor junior engineers.

Seniority

Senior, hands-on IC with mentorship responsibilities