About the role

What will you do at AMERICAN SYSTEMS?

Overview

AMERICAN SYSTEMS, a 100% employee-owned company, is seeking a Lead Network Engineer to support secure network operations in a highly classified environment in Dallas, TX.

We’re looking for someone with strong hands-on experience in Cisco ISE, Cisco Firepower, and enterprise network security to make a direct impact on a critical national security mission.

Responsibilities

As a Lead Network Engineer at AMERICAN SYSTEMS, you will:
Lead secure network engineering and operational support in a highly classified environment
Configure, administer, and troubleshoot Cisco ISE for authentication, authorization, accounting, network access control, and policy enforcement
Administer and optimize Cisco Firepower and Firepower Management Center (FMC), including policy administration, rule management, and troubleshooting
Design, implement, and maintain secure network infrastructure, including routers, switches, firewalls, VLANs, ACLs, VPNs, and segmented architectures
Troubleshoot complex Layer 2/Layer 3, firewall, authentication, and access control issues
Support AAA, 802.1X, VPN, RMF, STIG, and secure configuration requirements
Develop and maintain network diagrams, implementation plans, SOPs, and technical documentation
Partner with cybersecurity, systems administration, and mission teams to deliver secure, resilient infrastructure solutions
Support incident response, outage resolution, root cause analysis, and network remediation efforts
Recommend improvements to strengthen network performance, security, and reliability

Qualifications

U.S. citizenship required
Active TS/SCI clearance required with SAP eligibility
Bachelor’s degree in a related technical field, or additional relevant experience in lieu of a degree
8+ years of network engineering experience in enterprise, defense, intelligence, or other highly regulated environments
Strong experience with Cisco ISE and Cisco Firepower/FMC
Experience supporting AAA, 802.1X, VPN, RMF, and STIG requirements
Active DoD 8140/8570 IAT II certification required, e.g., Security+ CE, CySA+, SSCP, or equivalent
Strong knowledge of Layer 2/Layer 3 networking, routing, switching, VLANs, ACLs, subnetting, and segmentation
Experience troubleshooting Cisco routers, switches, firewalls, and enterprise networks
Ability to work independently and solve complex technical problems
Strong written and verbal communication skills
Additional Experience We ValueThe following experience may be helpful in this role, but is not required for consideration:
Experience supporting highly compartmented classified environments
Cisco certifications such as CCNA, CCNP Enterprise, CCNP Security, or CCIE
Experience with network modernization, infrastructure upgrades, or technology refresh efforts
Experience with incident response, change management, and root cause analysis in classified environments
Experience supporting virtualized environments such as VMware
Pay Transparency Statement
AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $155,000.00/Yr. - USD $180,000/Yr. Actual compensation will be determined based on several factors permitted by law. 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.
EEO Statement
EEO Race/Sex/Disability Status/Veteran Status

Which skills does this role require?

Cisco ISECisco FirepowerNetwork SecurityLayer 2/Layer 3 NetworkingAAA802.1XVPNRMFSTIGVLANsACLsRoutingSwitchingFMCNetwork TroubleshootingNetwork DesignTS/SCISAP EligibilityDoD 8140DoD 8570Security+ CECySA+SSCPCCNACCNP EnterpriseCCNP SecurityCCIEVLANACLSubnettingSegmentationVMwareNetwork ModernizationRoot Cause AnalysisNetwork EngineeringCyber SecurityLayer 2Layer 3

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