AI Security Associate Architect

Job Description

As a Security Associate Architect, you will join Thomson Reuters' Security Architecture team to embed security across our products, platforms, and enterprise systems. You will work with business and technical teams to make secure-by-design architectures and secure-by-default configurations practical, consistent, and scalable.

In this role, you will provide technical leadership across the organization or within a business unit, partnering with information security and risk management, platform engineering, service management, commercial engineering and product engineering teams.

Through these activities, you will become a trusted technical advisor, build relationships across teams, mentor engineers, and improve our architecture review methods and knowledge base. You will expand your expertise across our diverse technology landscape while helping teams adopt secure solutions that protect our customers.

Key Responsibilities

• Clarify technology risks by assessing evolving threats and technologies, and translate industry best practices, security frameworks, and applicable regulatory requirements into actionable guidance.

• Establish repeatable assessment frameworks and security requirements that help teams identify risks, select controls, and demonstrate measurable outcomes through consistent governance.

• Work with domain architects and engineering teams to define reference architectures and secure design patterns, guide reference implementations, and support adoption across shared services and cloud landing zones to drive standardization and organizational alignment.

• Assess risks, recommend controls, and document architectural decisions and trade-offs when teams need to deviate from a standard.

• Lead architecture reviews and threat modelling for new systems, integrations, migrations, and emerging technologies.

• Review multi-cloud platforms, modern application stacks, and AI and agentic systems.

• Track findings and help translate them into practical recommendations, align stakeholders on security trade-offs, and support through implementation.

• Ensure reference architectures, implementations and guardrails are continuously updated as new valid use cases are identified and reviewed.

• Build relationships across teams, mentor engineers, and improve architecture review methods and knowledge base.

Required Qualifications

• Bachelor's degree in computer science, or equivalent practical experience.

• 10+ years of hands-on experience in security architecture, software engineering, application security, or cloud security.

• Exceptional written and verbal communication skills, with the ability to explain complex security concepts and build alignment across technical and business stakeholders.

• Passionate about security, with the curiosity to explore unfamiliar technologies and translate ideas into practical solutions.

• Strong analytical skills and sound judgment when balancing security risks, engineering constraints, and business needs.

• Passionate about sharing knowledge across teams, the broader security community and to mentoring others.

• Strong understanding of cryptography concepts and key management, authentication and authorization, identity federation, network and operating system security, data protection, and detection and response at the system level, network layer or application layer.

• Hands-on experience and deep understanding of at least one major cloud provider (AWS, Azure, or GCP), including identity and access management, networking, and shared platform services.

• Experience leading security architecture reviews, threat modelling, and risk assessments across multiple products or platforms, and translating findings into prioritized engineering actions.

• Ability to develop security requirements, reusable design patterns, and reference architectures, and guide their adoption.

• Experience translating security frameworks, standards, and applicable regulatory requirements into controls, assessment methods, and practical engineering guidance.

• Experience designing and implementing secure applications, APIs, and container platforms, with knowledge of Kubernetes and secure CI/CD practices.

• Ability to read and discuss infrastructure configurations, validate design assumptions, and guide secure implementation.

• Working knowledge of AI and agentic system security, including prompt injection, model and data integrity, and controls for agent and tool use.

Preferred Qualifications

• Relevant industry certifications such as CISSP, CCSP, CISM, GIAC, AWS Certified Security – Specialty, Microsoft Certified: Azure Security Engineer Associate, or Google Professional Cloud Security Engineer.

• Experience designing and securing enterprise-scale multi-cloud environments across AWS, Azure, and/or GCP.

• Experience with security architecture for AI, generative AI, large language models, or agentic systems, including model governance, data protection, and secure tool integration.

• Experience developing and scaling security architecture standards, cloud guardrails, reusable design patterns, and reference implementations across enterprise engineering teams.

#LI-LP2

This posting is for proactive recruitment purposes and may be used to fill current openings or future vacancies within our organization.

What’s in it For You?

• Hybrid Work Model: We’ve adopted a flexible hybrid working environment 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 require upfront disclosure of the expected pay range for a position. The base compensation range varies across locations. For Ontario, Canada, the base compensation range for this role is $140,000 CAD - $175,000 CAD. Base pay is positioned within the range based on several factors including an individual’s knowledge, skills and experience with consideration given to internal equity. Base pay is one part of a comprehensive Total Reward program which also includes flexible and supportive benefits and other wellbeing programs. This role may also be eligible for an Annual Bonus based on a combination of enterprise and individual performance.

About Us

Thomson Reuters informs the way forward by bringing together the trusted content and technology that people and organizations need to make the right decisions. We serve professionals across legal, tax, accounting, compliance, government, and media. Our products combine highly specialized software and insights to empower professionals with the data, intelligence, and solutions needed to make informed decisions, and to help institutions in their pursuit of justice, truth, and transparency. Reuters, part of Thomson Reuters, is a world leading provider of trusted journalism and news.

We are powered by the talents of 26,000 employees across more than 70 countries, where everyone has a chance to contribute and grow professionally in flexible work environments. At a time when objectivity, accuracy, fairness, and transparency are under attack, we consider it our duty to pursue them. Sound exciting? Join us and help shape the industries that move society forward.

As a global business, we rely on the unique backgrounds, perspectives, and experiences of all employees to deliver on our business goals. To ensure we can do that, we seek talented, qualified employees in all our operations around the world regardless of race, color, sex/gender, including pregnancy, gender identity and expression, national origin, religion, sexual orientation, disability, age, marital status, citizen status, veteran status, or any other protected classification under applicable law. Thomson Reuters is proud to be an Equal Employment Opportunity Employer providing a drug-free workplace.

We also make reasonable accommodations for qualified individuals with disabilities and for sincerely held religious beliefs in accordance with applicable law. More information on requesting an accommodation here.

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More information about Thomson Reuters can be found on thomsonreuters.com