Network Engineer

Chantilly, VA · Herndon, VA · McLean, VAFull-timePosted Apr 13, 2026

Overview

VTG is seeking a skilled Network Engineer with at least 5 years of experience designing, implementing, and supporting enterprise network infrastructure. The ideal candidate will have strong expertise in routing, switching, network security, and troubleshooting, with a focus on ensuring high availability, performance, and security across the organization’s network environment.

Responsibilities

  • Design, implement, and maintain LAN/WAN network infrastructure
  • Configure and manage routers, switches, firewalls, and load balancers
  • Monitor network performance, availability, and capacity; identify and resolve issues proactively
  • Troubleshoot network outages and performance bottlenecks across multiple environments
  • Implement and maintain network security controls, including firewalls, VPNs, and access controls
  • Support network upgrades, patches, and infrastructure improvements
  • Collaborate with systems, cloud, and security teams to support business and technical requirements
  • Maintain network documentation, diagrams, and standard operating procedures
  • Ensure compliance with organizational policies and industry best practices

Qualifications

  • Active TS/SCI with Polygraph required.
  • Bachelor’s degree in computer science, Software Engineering, or related field.
  • 5+ years of experience in network engineering or network administration
  • Strong knowledge of networking fundamentals (TCP/IP, DNS, DHCP, VLANs, routing protocols such as OSPF, BGP)
  • Hands-on experience with network hardware (e.g., Cisco, Juniper, Arista)
  • Experience configuring and managing firewalls (e.g., Palo Alto, Fortinet, Cisco ASA)
  • Familiarity with VPN technologies (IPSec, SSL VPN)
  • Experience with network monitoring and troubleshooting tools (e.g., SolarWinds, Wireshark)
  • Strong understanding of network security principles
  • Proficiency with Linux/Unix systems and basic scripting (Python, Bash)

 

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