Senior Network Engineer

20 hours ago

Toronto, Ontario, Canada Patch Tech Staffing Full time

We are seeking a highly motivated and seasoned Senior Network Engineer to join our client's dynamic team. This role is designed for a veteran networking professional who has a deep foundation in Cisco core routing and switching and has successfully evolved into engineering secure hybrid-cloud environments. The ideal candidate will have at least 10 years of experience, beginning in Network Operations (NOC/Ops) and progressing into high-level Engineering. You will be the subject matter expert for our core network backbone, utilizing BGP protocols and Palo Alto security integration to bridge our on-premises infrastructure with Azure cloud environments.

Responsibilities:

  • Core Network Engineering: Design, implement, and maintain high-availability network architectures using Cisco routers and switches.
  • Advanced Routing Management: Manage complex routing environments using BGP (EBGP/IBGP), OSPF, and static routing to ensure seamless data flow across global sites.
  • Hybrid Cloud Integration: Lead the design of secure connectivity between on-premises data centers and Azure B2B/B2C environments, focusing on ExpressRoute and site-to-site VPNs.
  • Security Architecture: Deploy and manage Palo Alto VM-Series firewalls and VNAs (Virtual Network Appliances) to secure the perimeter and internal segments.
  • Policy & Performance: Develop and optimize security policies using Palo Alto Panorama and Prisma Cloud, ensuring zero-trust principles are applied to core routing.
  • Automation: Streamline network deployments using Infrastructure as Code (Terraform, Ansible) to reduce manual configuration errors.
  • Escalation Support: Serve as the final point of escalation for complex routing, switching, and firewall-related outages or performance degradation.

Qualifications:

  • Minimum of 10+ years in networking, with a clear career progression from Network Operations into Network Engineering.
  • Expert-level command of Cisco routers and switches. Must be comfortable configuring and troubleshooting hardware at the CLI level.
  • Mastery of BGP protocols (EBGP and IBGP) is mandatory. Experience with route reflectors, path selection, and multi-homed environments.
  • Hands-on experience with Palo Alto firewalls (physical and virtual) and Panorama for centralized management.
  • Strong understanding of Azure networking components (VNETs, Subnets, NSGs, and Azure AD integration for B2B/B2C).
  • CCNP or CCIE (Routing & Switching) is highly preferred. PCNSE is a significant plus.
  • Ability to bridge the gap between traditional infrastructure and modern cloud-native teams, translating complex routing logic into business outcomes.

Nice to Haves:

  • Professional experience in Banking, Financial Services, or a Retail environment.
  • Experience with SD-WAN implementation and management.
  • Scripting experience (Python) for network task automation.
  • Azure-specific networking certifications (AZ-700).
  • Microsoft Fabric from an ingestion perspective.

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