Network Engineer at The Timberline Group – St. Charles | Jobyssey

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.

Network Engineer

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