astra-north

AI Security Architect – Application Security, Zero Trust & AI Governance

astra-north

Toronto, Ontario, CanadaPermanentPosted Jul 9, 2026

Job description

AI Security Solution Architect – Application Security, Zero Trust & AI Governance Role Summary

  • Lead the end-to-end design and governance of an AI-driven vulnerability detection and remediation platform.
  • Ensure Zero Trust architecture, regulatory compliance, auditability, and secure SDLC integration.

Required Skills

Application Security

  • Application Security (App. Sec) including:
  • SAST
  • SCA
  • DAST
  • API Security
  • Identity and Access Management (IAM)
  • Strong experience with:
  • Checkmarx
  • Snyk
  • Fortify Cloud & Security Architecture
  • Zero Trust Architecture (NIST 800-207).
  • Cloud security experience with GCP and Azure. AI Security
  • AI security, including:
  • Prompt injection protection
  • Model abuse prevention
  • LLM risk management Dev. Sec. Ops & CI/CD
  • Experience with CI/CD platforms, including:
  • GitHub
  • Jenkins
  • GitLab AI / Agentic AI Expectations
  • Define agent orchestration strategy using multi-agent architecture and judge models.
  • Establish guardrails for AI-driven decisions and suppression workflows.
  • Lead Retrieval-Augmented Generation (RAG)-based knowledge integration for secure coding.

Key Responsibilities

Architecture & Security Design

  • Define the AI-driven Application Security reference architecture integrating Checkmarx, CI/CD pipelines, and Agentic AI.
  • Lead Zero Trust Architecture (ZTA) design, including:
  • API Security
  • Identity Management
  • Role-Based Access Control (RBAC)
  • Attribute-Based Access Control (ABAC)
  • Define secure SDLC and Dev. Sec. Ops frameworks. AI Security & Governance
  • Drive LLM-based vulnerability detection and remediation governance.
  • Oversee multi-agent decision governance, including LLM judge models and consensus controls.
  • Conduct AI/ML security risk reviews covering:
  • Model integrity
  • Prompt injection
  • Data leakage
  • Define policies for automated remediation and escalation thresholds. Risk, Compliance & Audit
  • Lead risk assessments and compliance mapping for:
  • PCI-DSS
  • SOX
  • OSFI
  • NIST
  • Ensure auditability through:
  • Trace IDs
  • Evidence logs
  • SIEM integration