Network Engineer, Lead - Cisco ISE / Firepower

OverviewAMERICAN 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.ResponsibilitiesAs a Lead Network Engineer at AMERICAN SYSTEMS, you will: Lead secure network engineering and operational support in a highly classified environmentConfigure, administer, and troubleshoot Cisco ISE for authentication, authorization, accounting, network access control, and policy enforcementAdminister and optimize Cisco Firepower and Firepower Management Center (FMC), including policy administration, rule management, and troubleshootingDesign, implement, and maintain secure network infrastructure, including routers, switches, firewalls, VLANs, ACLs, VPNs, and segmented architecturesTroubleshoot complex Layer 2/Layer 3, firewall, authentication, and access control issuesSupport AAA, 802.1X, VPN, RMF, STIG, and secure configuration requirementsDevelop and maintain network diagrams, implementation plans, SOPs, and technical documentationPartner with cybersecurity, systems administration, and mission teams to deliver secure, resilient infrastructure solutionsSupport incident response, outage resolution, root cause analysis, and network remediation effortsRecommend improvements to strengthen network performance, security, and reliabilityQualificationsU.S. citizenship requiredActive TS/SCI clearance required with SAP eligibilityBachelor's degree in a related technical field, or additional relevant experience in lieu of a degree8+ years of network engineering experience in enterprise, defense, intelligence, or other highly regulated environmentsStrong experience with Cisco ISE and Cisco Firepower/FMCExperience supporting AAA, 802.1X, VPN, RMF, and STIG requirementsActive DoD 8140/8570 IAT II certification required, e.g., Security+ CE, CySA+, SSCP, or equivalentStrong knowledge of Layer 2/Layer 3 networking, routing, switching, VLANs, ACLs, subnetting, and segmentationExperience troubleshooting Cisco routers, switches, firewalls, and enterprise networksAbility to work independently and solve complex technical problemsStrong written and verbal communication skillsAdditional Experience We ValueThe following experience may be helpful in this role, but is not required for consideration: Experience supporting highly compartmented classified environmentsCisco certifications such as CCNA, CCNP Enterprise, CCNP Security, or CCIEExperience with network modernization, infrastructure upgrades, or technology refresh effortsExperience with incident response, change management, and root cause analysis in classified environmentsExperience supporting virtualized environments such as VMwareAMS1Pay Transparency StatementAMERICAN 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 StatementEEO Race/Sex/Disability Status/Veteran StatusJob SummaryCategory: IT / Cyber Security / Network SystemsPosition Type: Full-TimeRemote: NoClearance Required: Top Secret/SCI