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Network Engineer, Lead - Cisco ISE / Firepower

AMERICAN SYSTEMS

Dallas, Texas

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JOB DETAILS
SALARY
SKILLS
802.1, Access Control, Accounting, Administrative Management, Authentication, CCIE - Cisco Certified Internetwork Expert, CCNA - Cisco Certified Network Associate, CCNP - Cisco Certified Network Professional, Change Management, Cisco Certifications, Cisco Network Systems, Cisco Routers, Cisco Switches, Communication Skills, CompTIA Security+, Defense Intelligence, DoD Directive 8140, DoD Directive 8570, Engineering, Enterprise Protection, Firewalls, IAT - Information Assurance Technical, Identify Issues, Incident Response, Internet Security, Network Access Control (NAC), Network Administration/Management, Network Architecture/Engineering, Network Performance/Analysis, Network Routers, Network Routing, Network Security, Network Support, Network Switching, Operational Support, Operations Security (OPSEC), Policy Development, Presentation/Verbal Skills, Problem Solving Skills, Procedure Implementation, Root Cause Analysis, SAP, SSCP - Systems Security Certified Practitioner, Sensitive Compartmented Information (SCI), Subnetting, Systems Administration/Management, Systems Engineering, Technical Writing, Top Secret Clearance, United States Citizen, VLAN (Virtual Local Area Network), VMWare, VPN (Virtual Private Network), Virtualization, Writing Skills
LOCATION
Dallas, Texas
POSTED
2 days ago
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 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
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

About the Company

A

AMERICAN SYSTEMS

Founded in 1975, AMERICAN SYSTEMS is one of the largest employee-owned companies in the United States, with approximately 1,400 employees nationwide. Based in the Washington, DC, suburb of Chantilly, VA, the company provides systems engineering, technical and managed services to government and private sector customers. AMERICAN SYSTEMS was named “Contractor of the Year” at the Greater Washington Government Contractor Awards in October, 2007.

COMPANY SIZE
1,000 to 1,499 employees
INDUSTRY
Internet Services
FOUNDED
1975

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