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Senior Infrastructure & Network Security Engineer

Quantum Technology Recruiting Inc. (QTR)
Toronto, ON
Posted yesterday
Job Details:
Full-time
Executive

Title: Senior Infrastructure & Network Security Engineer

Type: Permanent, full-time

Location: Toronto / Hybrid (2 days/week in office)

We're looking for a Senior Infrastructure & Network Security Engineer to join a tight-knit InfoSec team supporting strategic security initiatives across cloud, network, and database environments. This is a high-impact, architecture-leaning role.

What you'll do:

  • Design and improve end-to-end infrastructure security across cloud, database, network, and endpoints
  • Secure firewalls, IDS/IPS, and load balancers (ideally Cisco or Fortinet)
  • Work with Oracle databases and database activity monitoring tools
  • Enhance visibility and response using SIEM, EDR/XDR, and monitoring platforms
  • Drive cloud and container security posture using CSPM/CNAPP tools
  • Collaborate on security architecture, threat modeling, and system design improvements
  • Help automate and script tasks to improve operational efficiency
  • Be hands-on during incidents, investigations, and vulnerability management

What we're looking for:

  • 5+ years in infrastructure security with a broad skillset across network, endpoint, cloud, and architecture
  • Familiarity with Azure, AWS, GCP, or OCI
  • Exposure to container orchestration tools
  • Strong communication and ability to collaborate across teams
  • Bonus points for scripting/automation experience and architecture reviews

Interested? Please send your resume to Zhanna Dalbenka @

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