Staff I/Staff II Linux Network Engineer

VTG Defense; Manassas (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

A defense technology company is seeking an experienced Linux Network Engineer in Manassas, VA. This hybrid position requires 4+ years of hands-on expertise in networking, focusing on LAN, VLAN, and VxLAN environments. Responsibilities include designing and implementing network architectures, configuring switches, and troubleshooting complex issues. A 4-year degree in Computer Science or related field and current SECRET Clearance are mandatory. Join a team committed to enhancing the capabilities of the Navy submarine combat system.

Qualifications

• 4+ years of experience as a Network Engineer.
• 2–4 years of Linux experience.
• Demonstrated expertise designing, implementing, and troubleshooting LAN and VLAN networks at L2/L3 levels.
• US Citizen with current SECRET Clearance or ability to obtain a SECRET clearance.

Responsibilities

• Design and implementation of VLAN and VxLAN.
• Configure and deploy network switch.
• Monitor and troubleshoot network issues.
• Maintain comprehensive network documentation.

Skills

Network design/system architect experience

Hands-on proficiency with network monitoring and diagnostic tools

Excellent verbal and written communication skills

Proficiency with VPN technologies

Experience with network devices from major vendors

Education

4-year degree in Computer Science or related field

Job description

Overview

VTG is seeking an experienced Linux Network Engineer with 4+ years of hands‑on expertise in designing, implementing, testing, monitoring, and troubleshooting LAN, VLAN and VxLAN environments. The role focuses on network architecture, switch configuration, and infrastructure operations to ensure optimal performance, reliability, and security of our network infrastructure. The successful candidate will own network implementation projects, provide technical support for complex network issues, and continually improve our networking environment.

Location: Manassas, VA – hybrid position with remote work options and flexible schedules.

What will you do?

The selected candidate will work with network technologies to further advance the capabilities of the Navy submarine combat system. This work will include:

• Design and implementation of VLAN and VxLAN
• Configure and deploy network switch
• Test and validate prior to deployment
• Monitor and troubleshoot
• Maintain comprehensive network documentation, including topology diagrams, configuration baselines, runbooks, and all network and switch changes

Do you have what it takes?

Required skills:

• Must have a 4‑year degree in Computer Science or related field
• 4+ years of experience as a Network Engineer
• 2–4 years of Linux experience
• Network design/system architect experience, including tuning low‑level networks
• Demonstrated expertise designing, implementing, and troubleshooting LAN and VLAN networks at L2/L3 levels
• Proven hands‑on experience developing and implementing switch configurations
• Experience with network devices from major vendors (Cisco, Juniper, Arista, or equivalent)
• Hands‑on proficiency with network monitoring and diagnostic tools
• Excellent verbal and written communication skills
• Initiative, innovation, and resourcefulness
• US Citizen with current SECRET Clearance or ability to obtain a SECRET clearance
• Successful completion of background check

Desired Qualifications/Skills/Abilities:

• Understanding of OSI and TCP/IP networking models
• Understanding of Layer 2 protocols
• Solid knowledge of Layer 3 routing concepts and protocols
• Proficiency with VPN technologies, firewall rules, and network security fundamentals
• Working knowledge of DNS, DHCP, and network address management
• Understanding of high‑availability and disaster recovery concepts