Network Engineer III - Multi-Vendor, On-Site in CO

Trace3; Colorado Springs (CO); On-site; USD 105,000 - 123,000; Full time

Benefits offered by this job

Medical, dental, and vision coverage

401(k) with company match

Competitive compensation

Training and development programs

Snacks and beverages in major offices

Collaborative culture

Work-life balance and generous PTO

Job summary

Trace3 in Colorado Springs is seeking a Network Engineer III to support enterprise network infrastructure, including LAN/WAN design, troubleshooting, and optimization. You will collaborate with senior engineers on network design and ensure reliable connectivity across environments.

The ideal candidate has hands-on routing, firewall, and multi-vendor experience, plus DoD security practices and a Secret clearance.

Qualifications

• U.S. citizenship and valid passport.
• CCNA or JNCIA certification or willingness to attain within 60 days of starting.
• Hands-on network engineering experience with design, development, and testing methodologies.
• Understanding of OSI Model, TCP/IP, and routing protocols (BGP, OSPF).
• Experience with network traffic analysis, diagnostics, and troubleshooting.
• Firewall experience with Juniper, Fortinet, and Palo Alto technologies.
• Experience with UDP multicast, SONET, MSPP, VLANs, GRE, and TCP/IP designs.
• Multi-vendor switching/routing (Juniper & Cisco), WAN optimizers, TACLANEs, and optical transport.
• Strong written and verbal communication; proficiency with MS Office (PowerPoint, Visio).

Responsibilities

• Configure and maintain network devices (routers, switches, firewalls) from Cisco and Juniper.
• Monitor performance and availability; resolve connectivity, latency, and packet loss issues.
• Implement and support VLANs, OSPF, BGP, and basic network security controls.
• Troubleshoot incidents across LAN/WAN; perform root cause analysis and document resolutions.
• Collaborate with cross-functional IT teams for network changes and upgrades.
• Travel to remote locations to lead installations and provide status updates.
• Support after-hours activities as needed.
• Perform additional program tasks as required.

Skills

CCNA/JNCIA

Network engineering

OSI/TCP-IP

Firewall admin

Multi-vendor routing

LAN/WAN

Documentation

Education

Bachelors with 3+ years or Master with 1+ Years of Experience

Tools

None

Job description

Trace3 in Colorado Springs is seeking a Network Engineer III to support enterprise network infrastructure, including LAN/WAN design, troubleshooting, and optimization. You will collaborate with senior engineers on network design and ensure reliable connectivity across environments.

The ideal candidate has hands-on routing, firewall, and multi-vendor experience, plus DoD security practices and a Secret clearance.