Are you excited by the opportunity to shape how AI-powered products are designed and secured at enterprise scale?
Join Thomson Reuters as an AI Security Associate Architect, where you will help define secure architecture for products and systems used by millions of professionals worldwide.
As an AI Security Associate Architect, you will join Thomson Reuters' Security Architecture team, a senior group setting the technical direction for how we design and secure our products and enterprise systems end-to-end.
You will lead architecture and design reviews, threat modeling, and Secure AI assessments across our product portfolio, with a focus on how we build, ship, and run AI-powered features and the platforms that support them.
This is a hands-on, influential role. You will partner with product engineering, platform engineering, information security, and risk management teams to ensure security is shaped early, designed in, and not bolted on. You will work alongside domain architects across the organization and contribute to our multi-year Security Architecture direction.
Location: Toronto, hybrid
About the Role
In this opportunity as AI Security Associate Architect, you will:
- Architect security across products and platforms by leading security architecture reviews and design consultations across Thomson Reuters' product portfolio.
- Develop reference architectures and secure design patterns including architecture decision records, guardrails, and implementation guidance that engineering teams can adopt directly.
- Lead Secure AI architecture by conducting Secure AI design reviews for AI-powered products, features, platforms, and internal AI development workflows.
- Build and evolve threat models for AI systems, including risks related to prompt injection, model and data integrity, agent and tool-use security, AI supply chain, RAG, LLMs, model serving, AI gateways, and MCP-based tools.
- Drive threat modeling and risk-informed design across web, API, mobile, cloud, container, Kubernetes, and modern application architectures.
- Partner with engineering as a trusted technical advisor on new initiatives, architectural pivots, high-impact features, vendor decisions, and customer-facing architecture decisions.
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- Strengthen the Security Architecture practice by improving knowledge bases, review templates, decision records, and mentoring product and platform engineers on secure design.
About You
You're a fit for the role of AI Security Associate Architect if your background includes:
- 7+ years of experience in security architecture, product security, application security, or cloud security engineering, with hands-on architectural ownership.
- Demonstrated experience leading architecture and design reviews across multiple products or platforms.
- Hands-on expertise with at least one major cloud platform, such as AWS, Azure, or Google Cloud, including identity, networking, secrets management, data protection, and logging.
- Practical experience securing modern application architectures, including APIs, microservices, containers, Kubernetes, and CI/CD.
- Working knowledge of GenAI and LLM security, including prompt injection, model and data integrity, agent and tool-use security, AI supply chain considerations, and secure AI design patterns.
- Strong understanding of core security principles, including cryptography, public key infrastructure, authentication and authorization, OAuth 2.0, and network security protocols.
- Ability to engage deeply with technical teams, including reading and discussing code in Python, Go, Java, or similar languages when an architecture review requires it.
- Strong threat modeling skills and the judgment to apply frameworks pragmatically, including OWASP ASVS, NIST CSF, NIST SSDF, OWASP LLM Top 10, and MITRE ATLAS.
- Excellent written and verbal communication skills, with the ability to influence senior engineers and translate complex security trade-offs into clear recommendations.
Preferred qualifications:
- Hands-on experience with Google Cloud security, such as Vertex AI, IAM, VPC Service Controls, and Security Command Center.
- Experience reviewing or designing AI/ML platforms such as Vertex AI, SageMaker, Bedrock, Azure AI, or self-hosted environments, including model lifecycle and data pipeline security.
- Experience with AI red teaming, adversarial ML evaluation, or LLM security testing.
- Experience with software supply chain security, including SBOM, SLSA, provenance, attestation, and workload identity.
- Familiarity with security frameworks such as OWASP ASVS/SAMM, NIST CSF and SSDF, BSIMM, OWASP LLM Top 10, and MITRE ATLAS.
- Experience with Infrastructure as Code, such as Terraform or CDK, modern CI/CD, and infrastructure security at scale.
- Relevant security certifications such as OSCP, OSWE, CKA/CKS, GCP Professional Cloud Security Engineer, AWS Security Specialty, or CCSP.
- Industry contributions such as open-source projects, conference talks, working group participation, including CoSAI or OWASP, research, or teaching.
LI-LP2
Replacement: This position is open due to an existing vacancy to support our evolving business needs.
What’s in it For You?
- Hybrid Work Model: We’ve adopted a flexible hybrid working environment (2-3 days a week in the office depending on the role) for our office-based roles while delivering a seamless experience that is digitally and physically connected.
- Flexibility & Work-Life Balance: Flex My Way is a set of supportive workplace policies designed to help manage personal and professional responsibilities, whether caring for family, giving back to the community, or finding time to refresh and reset. This builds upon our flexible work arrangements, including work from anywhere for up to 8 weeks per year, empowering employees to achieve a better work-life balance.
- Career Development and Growth: By fostering a culture of continuous learning and skill development, we prepare our talent to tackle tomorrow’s challenges and deliver real-world solutions. Our Grow My Way programming and skills-first approach ensures you have the tools and knowledge to grow, lead, and thrive in an AI-enabled future.
- Industry Competitive Benefits: We offer comprehensive benefit plans to include flexible vacation, two company-wide Mental Health Days off, access to the Headspace app, retirement savings, tuition reimbursement, employee incentive programs, and resources for mental, physical, and financial wellbeing.
- Culture: Globally recognized, award-winning reputation for inclusion and belonging, flexibility, work-life balance, and more. We live by our values: Obsess over our Customers, Compete to Win, Challenge (Y)our Thinking, Act Fast / Learn Fast, and Stronger Together.
- Social Impact: Make an impact in your community with our Social Impact Institute. We offer employees two paid volunteer days off annually and opportunities to get involved with pro-bono consulting projects and Environmental, Social, and Governance (ESG) initiatives.
- Making a Real-World Impact: We are one of the few companies globally that helps its customers pursue justice, truth, and transparency. Together, with the professionals and institutions we serve, we help uphold the rule of law, turn the wheels of commerce, catch bad actors, report the facts, and provide trusted, unbiased information to people all over the world.
Our use of AI within the recruitment process Thomson Reuters utilizes Artificial Intelligence (AI) to support parts of our global recruitment process. Unless you opt-out, our AI system will assess the information provided by you and compare it to the requirements listed for the role, and present the result to our recruitment personnel for further review. The AI system acts as a supporting tool, but there is always a human making the decision if you will be considered for the role
Thomson Reuters complies with local laws that
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