Network Engineer

VT Group (VTG); Chantilly (VA); On-site; USD 95,000 - 135,000; Full time

Job summary

VT Group (VTG) seeks a Network Engineer in Chantilly, VA with 5+ years of experience to design, implement, and support enterprise network infrastructure. The role emphasizes routing, switching, and security to ensure high availability and performance across the organization.

The candidate will troubleshoot outages, coordinate with security and cloud teams, and maintain documentation. A TS/SCI clearance with polygraph is required along with a BS in a related field. Hybrid work options may apply.

Qualifications

• 5+ years of experience in network engineering or administration.
• Active TS/SCI with Polygraph required.
• Bachelor’s degree in computer science, software engineering, or related field.
• Experience with network monitoring and troubleshooting tools.

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.
• Collaborate with systems, cloud, and security teams to support requirements.
• Maintain network documentation, diagrams, and standard operating procedures.

Skills

Routing

Switching

Network security

Troubleshooting

Education

Bachelor's degree

CS/Software Engineering related field

Tools

Cisco

Juniper

Arista

Palo Alto

Fortinet

Cisco ASA

SolarWinds

Wireshark

Job description

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.

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.

What will you do?

• 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

Do you have what it takes?

• 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)