Lead Network Engineer (Top Secret Clearance w/SCI eligibility Required)

American Systems • Dallas, TX

4d • Onsite

About The Position

AMERICAN SYSTEMS is one of the largest employee-owned companies in the United States, supporting national priority programs in defense, intelligence, and homeland security. As an employee-owner, you’ll contribute directly to mission success while growing your own stake in the company’s future. As an on-site AMERICAN SYSTEMS Lead Network Engineer , you’ll take a hands-on leadership role ensuring secure, reliable network operations supporting U.S. Government customers. You’ll serve as a technical authority, guiding network design, troubleshooting complex issues, and maintaining mission-critical connectivity in classified environments.

Requirements

• U.S. Citizenship (required)
• Active TOP SECRET clearance with SCI eligibility
• Bachelor’s degree (or 6 additional years of relevant experience in lieu of degree)
• 8–10 years of professional networking experience
• Expertise in Cisco ISE configuration and troubleshooting , routing/switching , and firewall administration
• Strong understanding of Layer 2/3 protocols and network design principles

Nice To Haves

• Certifications such as CCNP or CCIE are highly preferred

Responsibilities

• Configure and troubleshoot Cisco Identity Services Engine (ISE) to protect data and control access to classified networks.
• Install, configure, and maintain Cisco routers, switches, and firewalls .
• Diagnose and resolve Layer 2/Layer 3 , VPN , and VMware network issues.
• Coordinate on-site and remotely with users to configure equipment and troubleshoot connectivity.
• Recommend performance and security enhancements that improve reliability and reduce costs.
• Interface with senior management and vendor technical teams on network solutions.
• Work independently or lead small technical efforts with minimal supervision.

Benefits

• You’re not just an employee — you’re an employee-owner through our Employee Stock Ownership Plan (ESOP) .
• Contribute to work that matters — safeguarding our nation’s most critical missions.
• Join a team that values integrity, innovation, and impact.
• AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 1,001-5,000 employees