Network Engineer, Lead Cisco ISE Firepower

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.

Were 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.

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

• U.S. citizenship required
• Active TS/SCI clearance required with SAP eligibility
• Bachelors 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 Value
The 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

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