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Network Security Engineer - Data Center Ops WAN, Routing, Switching, CISCO Hardware

Job in Toronto, Ontario, C6A, Canada
Listing for: Astra-North Infoteck Inc. ~ Conquering today’s challenges, achieving tomorrow’s vision!
Full Time position
Listed on 2026-03-06
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, IT Support, IT Specialist
Salary/Wage Range or Industry Benchmark: 100000 - 125000 CAD Yearly CAD 100000.00 125000.00 YEAR
Job Description & How to Apply Below
Position: Network Security Engineer - Data Center Ops  | *WAN, Routing, Switching, CISCO Hardware

Work Type:
Hybrid (3 days)

Experience Level: 5-9 Years

Top 3

Required Skills:

  • Cloud Network Engineer
  • Terraform Knowledge
  • CI/CD pipeline
  • Design, implement, secure, and operate cloud networking (VPC/VNet, hybrid connectivity, routing, firewalls, private access, load balancing) with a strong focus on Infrastructure as Code (IaC) using Terraform. Ensure high availability, compliance, observability, and cost efficiency across environments (Dev → Prod).

    Core Responsibilities
  • Cloud Network Architecture & Design
    • Design VPC/VNet topologies: CIDR planning, subnets, route tables, NAT/IGW/ER/Direct Connect, DNS (public/private).
    • Define hybrid connectivity:
      Site to Site VPN, Express Route/Direct Connect, Transit architectures, SD WAN integration.
    • Architect resilient and secure network paths (multi AZ/region, hub and spoke, segmentation/micro segmentation).
    • Produce HLD/LLD, network diagrams, decision logs, and reference patterns aligned to enterprise standards.
  • Implementation & Configuration (Azure / AWS)
    • Build and configure:
      • Azure: VNets, Subnets, NSGs, UDRs, Azure Firewall, Application Gateway/WAF, Private Endpoints, Route Server.
      • AWS: VPCs, Subnets, Route Tables, IGW/NAT, Security Groups/NACLs, ALB/NLB, Transit Gateway, Private Link.
      • (GCP as applicable: VPCs, firewall rules, Cloud Router, Cloud NAT, load balancing)
    • Implement DNS (Azure DNS/Route 53/Cloud DNS), IPAM hygiene, and name resolution across hybrid.
  • Security & Compliance by Design
    • Enforce least privilege and network segmentation, zero trust patterns, and WAF/DDoS protections.
    • Implement private access patterns (Private Link/Private Endpoints/Service Endpoints) to avoid public exposure.
    • Partner with security/GRC for threat modeling, control mapping, evidence collection, and remediation.
  • Operations, Monitoring & Troubleshooting
    • Enable observability: VPC Flow Logs / NSG Flow Logs, Network Watcher, Cloud Watch/Cloud Trail, Log Analytics; build dashboards and alerts.
    • Troubleshoot latency, packet loss, asymmetric routing, MTU/MSS, and TLS/WAF issues.
    • Participate in incident, problem, and change management with clear runbooks and post incident reviews.
  • Infrastructure as Code (Terraform First)
    • Author and maintain Terraform modules for reusable network patterns (VPC/VNet, TGW, firewalls, private endpoints).
    • Implement environment promotion via work spaces or pipelines; parameterize with tfvars.
    • Enforce state management (remote backend, state locking), versioning, code reviews, and policy as code (Sentinel/OPA).
    • Integrate Terraform in CI/CD pipelines (Azure Dev Ops/Git Hub Actions/Git Lab/Jenkins) with plan/apply gates and approvals.
  • #J-18808-Ljbffr
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