Principal Network Engineer - Palo Alto and Juniper

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Principal Network Engineer

We are seeking a Principal Network Engineer to lead the design, implementation, and optimization of our enterprise network infrastructure. This is a hands-on, senior-level engineering role with high impact and visibility. You'll play a critical role in modernizing legacy systems, integrating hybrid cloud architecture, and building infrastructure-as-code automation with a focus on security, availability, and observability.

Key Responsibilities

  • Architect and implement scalable, secure enterprise network infrastructure across hybrid cloud and on-prem environments.
  • Design, deploy, and support Palo Alto firewalls, Panorama, and Juniper-based routing/switching.
  • Lead network modernization projects including VXLAN, EVPN, BGP/OSPF migrations.
  • Collaborate with InfoSec, Engineering, and Architecture teams to align network strategy with broader technical goals.
  • Develop and maintain network automation using Ansible and Terraform.
  • Monitor, troubleshoot, and resolve complex issues; participate in a 7-week rotating on-call schedule.
  • Document network standards, processes, and configurations.

Required Skills & Experience

  • 10+ years of enterprise network design and support experience.
  • 5+ years in technical leadership or architecture roles.
  • Deep expertise in Palo Alto, Panorama, Juniper, VXLAN/EVPN, BGP, OSPF, VPNs, and network security.
  • Experience integrating cloud platforms (AWS, Azure, GCP) with on-prem systems.
  • Proficiency in Windows/Linux, wireless networking, NAC/802.1x, and disaster recovery planning.
  • Familiarity with scripting, monitoring tools, and infrastructure-as-code (Ansible, Terraform).

Preferred Certifications

  • PCNSA / PCNSE
  • JNCIAJNCIE
  • CCSP
  • ITIL

Interview Process:

  1. 1-hour interview with VP (skills + culture fit)
  2. Deep technical interview with 2 Principal Engineers
  3. Virtual lab (Palo Alto/Juniper config and break/fix scenario)
Location:
Des Plaines

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