The Greenbrier Companies

Senior Network Architect, Security and Operations

The Greenbrier Companies

full-time

Posted on:

Origin:  • 🇺🇸 United States • Oregon

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Job Level

Senior

Tech Stack

AzureCloudCyber SecurityFirewalls

About the role

  • Define and govern the architecture, design standards, and lifecycle management for all network and security platforms, including routers, switches, and firewalls.
  • Serve as the principal authority for all network security postures, designing and implementing enterprise-wide security frameworks.
  • Pioneer the configuration and hardening of firewalls including Cisco Meraki and Fortinet.
  • Establish the strategic roadmap for high-throughput WAN links and lead vendor relationships for transport services and dark fiber.
  • Architect and oversee organization-wide traffic isolation measures, cloud interconnects, and multi-tenant security.
  • Define long-term strategy for modernizing wireless infrastructure.
  • Lead assessment and modernization of data centers for resilience, high-availability, and disaster recovery aligned with Uptime Tier, NIST, and ITIL standards.
  • Act as primary technical liaison and governance for the network MSP, ensuring operational alignment with architectural vision and security policies.
  • Perform cloud suitability analysis using a modified 6-R framework and drive cost optimization for workload migrations.
  • Serve as the ultimate escalation point for complex networking issues and establish procedures to prevent recurrence.
  • Champion adoption of infrastructure-as-code tools and network automation, and create infrastructure documentation and SOPs.
  • Mentor and provide technical guidance to engineering teams to foster operational excellence and security awareness.

Requirements

  • Proven experience as a Principal Architect or equivalent, with a track record of defining and implementing enterprise-wide network and security strategies.
  • Deep and demonstrable expertise in Cisco Meraki and Fortinet, with the ability to design complex, large-scale network and security solutions.
  • Expert-level knowledge of network routing protocols (BGP, OSPF), WAN technologies, and network performance optimization.
  • Extensive experience with cloud networking in Azure, including the design and governance of virtual firewalls and cloud-native network security.
  • Strong understanding of cybersecurity frameworks and the ability to translate them into actionable network designs.
  • Experience managing and governing large-scale MSP relationships.
  • Exceptional communication and presentation skills, with the ability to influence C-level executives and cross-functional teams.
  • Relevant industry certifications such as Fortinet NSE 7/8, CCNP Security, or CISSP.
  • Hands-on, seasoned expert capable of leading a complex, legacy environment through a complete security and modernization transformation.
  • Experience with infrastructure-as-code, network automation, and mentoring engineering teams.