Senior Network Engineer - Cisco & Network Security

  • Cherokee Federal
  • Herndon, Virginia
  • 11/01/2026
Full time Information Technology Telecommunications

Job Description

Cherokee Federal seeks a Network Engineer SME to design, secure, and optimize enterprise networks supporting critical federal missions. You will lead architecture, configuration, and troubleshooting of Cisco-based LAN/WAN, VPN, and wireless infrastructure, ensuring high availability and compliance with government security standards. Collaborating with cross-functional teams, you'll develop technical documentation, implement monitoring and performance tuning, and guide junior engineers. Join a mission-driven, growth-focused organization delivering innovative IT solutions to U.S. government agencies nationwide.

Responsibilities

  • Design and implement secure LAN/WAN, VPN, and wireless architectures for federal environments
  • Configure, maintain, and troubleshoot Cisco routers, switches, and firewalls
  • Ensure network security, compliance, and documentation in line with government standards
  • Monitor network performance, analyze logs, and optimize availability and throughput
  • Lead complex incident resolution and root-cause analysis for network issues
  • Develop and maintain network diagrams, runbooks, and configuration baselines
  • Collaborate with cybersecurity, systems, and project teams on integrated solutions
  • Provide technical leadership and mentorship to junior network engineers

Required Skills

  • Network design and architecture
  • Cisco routing and switching (IOS/NX-OS)
  • Firewall configuration and management
  • VPN and remote access technologies
  • WAN/LAN optimization and Qo
  • SNetwork monitoring and performance tuning
  • TCP/IP, DNS, DHCP, VLANs
  • Network security and hardening
  • Cisco wireless infrastructure
  • Documentation and diagramming (Visio)