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Tata Consultancy Services

Security Architect

On site

Toronto, Canada

Full Time

19-12-2025

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Skills

Leadership Quality Assurance Architecture Security Architecture Organization Azure Software Development Agile OpenAI

Job Specifications

Inclusion without Exception:

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our workforce and implemented through equitable workplace policies and processes.

About TCS:

TCS is an IT services, consulting, and business solutions organization that has been partnering with many of the world’s largest businesses in their transformation journeys for over 55 years. Its consulting-led, cognitive-powered portfolio of business, technology, and engineering services and solutions is delivered through its unique Location Independent Agile™ delivery model, recognized as a benchmark of excellence in software development. A part of the Tata group, India's largest multinational business group, TCS operates in 55 countries and employs over 607,000 highly skilled individuals, including more than 10,000 in Canada. The company generated consolidated revenues of US $ 30 billion in the fiscal year ended March 31, 2025 [BS1] and is listed on the BSE and the NSE in India. TCS' proactive stance on climate change and award-winning work with communities across the world have earned it a place in leading sustainability indices such as the MSCI Global Sustainability Index and the FTSE4Good Emerging Index.

Security Architect to assure enterprise security architecture with a focus on the review and authorship of Architecture Decision Records (ADRs) and Security Architecture Review Board (SARB) submissions.

The role blends deep technical acumen with emerging expertise in Generative AI (GenAI)and Agentic systems, ensuring secure design, governance, and responsible adoption of intelligent automation within the enterprise.

Skills and Responsibilities:

- Architecture Review & Advisory Lead security reviews of solution and domain architectures, ADRs, and AI-enabled platforms.

- Assess GenAI and agentic solution designs for model security, data protection, prompt integrity, provenance, and safe orchestration of agents.

- Evaluate proposals for alignment with enterprise standards, regulatory expectations, and risk tolerance.

- Produce actionable review comments with traceable recommendations, covering both traditional and AI-driven architectures.

- Authoring & Governance Author and maintain ADRs, patterns, and reference architectures—including those covering GenAI system integration, LLM usage, and multi-agent frameworks.

Ensure architectural documentation expresses the problem space, options, controls, and trade-offs

- Architecture Review & Advisory Lead security reviews of solution and domain architectures, ADRs, and AI-enabled platforms.

- Assess GenAI and agentic solution designs for model security, data protection, prompt integrity, provenance, and safe orchestration of agents.

- Evaluate proposals for alignment with enterprise standards, regulatory expectations, and risk tolerance.

- Produce actionable review comments with traceable recommendations, covering both traditional and AI-driven architectures.

- Authoring & Governance Author and maintain ADRs, patterns, and reference architectures—including those covering GenAI system integration, LLM usage, and multi-agent frameworks.

- Ensure architectural documentation expresses the problem space, options, controls, and trade-offs clearly and defensibly.

- Promote structured architectural reasoning supported by both human and GenAI-assisted analysis workflows.

- GenAI & Agentic Security -Define and assess controls for GenAI systems, including Model access, data boundary, and prompt injection defenses.

- Guardrails for AI agents performing autonomous actions or multi-step reasoning

Secure orchestration, isolation, and human oversight mechanisms.

- Evaluate the security of agent frameworks, LLM pipelines, and model-hosting platforms (e.g., Vertex AI, Azure OpenAI).

- Contribute to enterprise policy for responsible AI use and GenAI-assisted development.

Technical Leadership

- Provide domain expertise in application, cloud, and data security—augmented by AI security design considerations.

- Support teams in safely embedding GenAI copilots, RAG systems, and autonomous agents within business processes.

- Lead threat modeling for composite systems where GenAI interacts with APIs, data stores, and user environments.

- Continuous Improvement & Automation Use and refine GenAI tools for document review, security design assistance, and ADR quality assurance.

- Develop reusable prompts, review heuristics, and decision frameworks that enhance SARB throughput and consistency.

- Mentor peers in human-AI collaborative authoring, emphasizing accountability and verification of AI output.

- Core Competencies Enterprise security architecture (SABSA, TOGAF, NIST CSF).

- GenAI systems ar

About the Company

Tata Consultancy Services is an IT services, consulting and business solutions organization that has been partnering with many of the world's largest businesses in their transformation journeys for over 56 years. Our consulting-led, cognitive powered, portfolio of business, technology and engineering services and solutions is delivered through our unique Location Independent Agile(tm) delivery model, recognized as a benchmark of excellence in software development. A part of the Tata group, India's largest multinational busi... Know more