Lead Network Administrator — TS/SCI Clearance

Workforce.miami; Florida; Sur place; USD 110 000 - 160 000; Plein temps

Résumé du poste

MANTECH is seeking a Lead Network Administrator to join our team in Doral, FL. The role includes technical leadership, mentoring junior IT staff, and overseeing enterprise routers, switches, firewalls, and network infrastructure across mission networks.

You will implement network security policies using Cisco ISE, manage patching and baseline configurations, and collaborate with engineering and cybersecurity teams to ensure uptime and compliance.

Qualifications

• 7+ years of experience in network administration with relevant degrees.
• Experience configuring Cisco ISE in enterprise environments.
• Strong background in enterprise routing, switching, 802.1X, RADIUS/TACACS+.
• Ability to obtain and maintain TS/SCI clearance.
• DoD STIG compliance familiarity.

Responsabilités

• Provide technical leadership and mentorship to IT staff.
• Manage routers, switches, firewalls across mission networks.
• Develop and enforce network security policies and NAC workflows.
• Troubleshoot complex network issues and authentication failures.
• Maintain documentation and network diagrams.

Connaissances

Cisco ISE

Routing & Switching

NAC (Network Access Control)

RADIUS/TACACS+ protocols

Network security policy enforcement

Formation

Bachelor’s degree in Computer Science, Information Technology, Network Engineering, or related field

Master’s degree in related field

Associate’s degree

High school diploma with 11+ years of experience

Outils

Cisco ISE

DoD STIG tooling

Description du poste

MANTECH is seeking a Lead Network Administrator to join our team in Doral, FL. The role includes technical leadership, mentoring junior IT staff, and overseeing enterprise routers, switches, firewalls, and network infrastructure across mission networks.

You will implement network security policies using Cisco ISE, manage patching and baseline configurations, and collaborate with engineering and cybersecurity teams to ensure uptime and compliance.