Network Engineer

The Timberline Group; Saint Charles (MO); On-site; USD 90,000 - 130,000; Full time

Job summary

The Timberline Group is seeking a seasoned Network Engineer to design, implement, and support a multi-site enterprise network. This role will own highly available, secure, and scalable infrastructure across routing, switching, SD-WAN, wireless, and firewall platforms, partnering with security, cloud, and server teams.

It is a hands-on, non-entry-level position requiring architectural thinking, strong documentation, and the ability to lead projects while mentoring junior engineers across the

Qualifications

• 5+ years of progressive experience in network engineering.
• Deep expertise in enterprise routing and switching.
• Strong documentation and communication skills.

Responsibilities

• Design, deploy, and maintain enterprise routing and switching environments.
• Lead configuration and lifecycle management of Cisco, Juniper, and Meraki.
• Implement and support SD-WAN solutions with policy design and failover.
• Manage next-generation firewalls, VPNs, segmentation, and secure connectivity.
• Monitor performance, troubleshoot outages, and perform root-cause analysis.
• Participate in network architecture planning and capacity forecasting.
• Create and maintain network diagrams, standards, and documentation.
• Collaborate with cybersecurity, server, cloud, and app teams for resilient integrations.
• Provide escalation support for high-priority production issues.
• Mentor junior engineers and contribute to best practices.

Skills

Enterprise routing & switching

Palo Alto firewalls

SD-WAN

Network monitoring

Job description

Hybrid 2-3 days a week on site after first 6 months getting up to speed on site every day.

Position Summary

We are seeking a seasoned Network Engineer to design, implement, optimize, and support a complex, multi-site enterprise network. This role is responsible for maintaining highly available, secure, and scalable infrastructure across routing, switching, SD-WAN, wireless, and firewall platforms. The right person is hands-on, comfortable in production, capable of architectural thinking, and able to partner with infrastructure, security, and cloud teams to keep the business running. This is not an entry-level operations job. We need someone who can own the network.

What You’ll Do

• Design, deploy, and maintain enterprise routing and switching environments.
• Lead configuration, optimization, and lifecycle management of Cisco, Juniper, and Meraki platforms.
• Implement and support SD-WAN solutions including policy design, traffic engineering, and failover strategies.
• Manage next-generation firewall technologies, VPNs, segmentation, and secure connectivity.
• Monitor performance, troubleshoot outages, and drive root-cause analysis for complex incidents.
• Participate in network architecture planning, capacity forecasting, and modernization efforts.
• Create and maintain network diagrams, standards, and operational documentation.
• Collaborate with cybersecurity, server, cloud, and application teams to ensure resilient integrations.
• Provide escalation support for high-priority production issues.
• Mentor junior engineers and contribute to operational maturity and best practices.

Technology Environment

• Routing & Switching: Cisco, Juniper
• Access & Branch Networking: Cisco Meraki
• SD-WAN: Silver Peak (HPE Aruba)
• Firewalls & Security: Palo Alto
• Protocols: BGP, OSPF, EIGRP, VLANs, STP, VPN technologies
• Monitoring & Tools: SNMP, NetFlow, packet capture, enterprise monitoring platforms

What We’re Looking For

• 5+ years of progressive experience in network engineering.
• Deep expertise in enterprise routing and switching.
• Strong hands-on background with Palo Alto firewalls.
• Proven experience implementing or supporting SD-WAN.
• Ability to troubleshoot across layers (routing, security, transport).
• Experience working in distributed, multi-location environments.
• Comfortable leading projects and making architecture recommendations.
• Strong documentation and communication skills.