Lead Network Engineer: Enterprise Firewall & Core Networking

AMERICAN SYSTEMS; Dallas (TX); Vor Ort; USD 120.000 - 160.000; Vollzeit

Zusammenfassung

AMERICAN SYSTEMS is seeking a Lead Network Engineer, Firewall Infrastructure, to support a critical national security mission in Dallas, TX. This hands-on role focuses on enterprise firewall infrastructure, routing, switching, secure connectivity, and NAC in a highly classified environment.

The candidate will lead configuration, administration, troubleshooting, and operational support of complex networks; responsibilities include firewall policy management, VPNs, 802.1X, RMF/STIG, and

Qualifikationen

• U.S. citizenship required.
• Active Top Secret clearance with SCI/SAP eligibility.
• Bachelor’s degree in a related technical field, or equivalent experience.
• 8+ years in network engineering/operations/infrastructure or firewall administration.
• IAT Level II certification (Security+ CE, CySA+, SSCP) or equivalent.
• CCNA or higher Cisco certification.
• Hands-on with enterprise network infrastructure including routing, switching, VLANs, ACLs and VPNs.
• Experience with firewall platforms and policy administration, NAC, and RMF/STIG security requirements.

Aufgaben

• Lead network engineering, administration, and operations in a highly classified environment.
• Design and maintain enterprise network infrastructure including routers, switches, and firewalls.
• Manage VLANs, ACLs, VPNs, network segmentation, and high-availability architectures.
• Administer and troubleshoot enterprise firewall environments and policies.
• Support Cisco Firepower and FMC; experience with other major firewall platforms.
• Troubleshoot Layer 2/3 issues and ensure reliable network services.
• Support 802.1X, NAC, AAA, and network access control requirements.
• Create diagrams, SOPs, and technical documentation; coordinate with cybersecurity teams.

Kenntnisse

Network engineering

Firewall administration

Cisco Firepower

Routing & switching

Network segmentation

L3 troubleshooting

Ausbildung

Bachelor’s degree in a technical field

Tools

Cisco Firepower

FMC

Cisco ISE

Jobbeschreibung

AMERICAN SYSTEMS is seeking a Lead Network Engineer, Firewall Infrastructure, to support a critical national security mission in Dallas, TX. This hands-on role focuses on enterprise firewall infrastructure, routing, switching, secure connectivity, and NAC in a highly classified environment.

The candidate will lead configuration, administration, troubleshooting, and operational support of complex networks; responsibilities include firewall policy management, VPNs, 802.1X, RMF/STIG, and