Senior Security Architect

At CAAT were passionate about what we do. And it shows!

Here youll find a cultural spark in everything we do from the way we partner with members and employers to the way we work collaborate and grow. It doesnt just feel different at CAAT. It is different. Were one of the fastest-growing pensions in the country for a reason. We challenge the status quo making a real impact on the hundreds of employers we serve from education institutions to major corporations and household brands. And were just getting started. Driven by core values and a shared purpose were fierce champions for better retirement security known for our can-do culture where everyone plays a role in bringing our vision to life. If this sounds like a fit wed love you to be a part of it.

About the Role:

As CAAT scales its hybrid-cloud and AI-driven technology ecosystem were seeking a Senior Security Architect to lead the next evolution of our cybersecurity architecture. Youll be at the center of cloud security GenAI and machine learning defense by designing secure-by-design frameworks that protect critical data models and platforms powering our innovation.

This is a hands-on architecture role that blends deep technical design with strategic influence. Youll shape the blueprint for enterprise and emerging technology security partnering with engineers AI specialists and business leaders to ensure our systems are resilient ethical and future-ready.

As the Newest Member of our Team Youll:

• Architect and implement enterprise-grade security designs across hybrid cloud environments (Azure AWS GCP) embedding security into every layer of our technology stack.
• Secure the future of AI and GenAI by developing frameworks that protect LLMs agentic AI systems ML pipelines and low-code/no-code platforms from data poisoning model inversion prompt injection and other adversarial threats.
• Lead security-by-design practices from concept to deployment integrating threat modeling Zero Trust principles and continuous validation across SDLC.
• Develop scalable reference architectures and technical blueprints for both traditional and emerging technologies ensuring consistent governance and alignment with our enterprise security strategy.
• Drive security innovation across CI/CD and MLOps pipelines by embedding automated SAST DAST laC scanning and compliance validation into modern DevSecOps workflows.
• Champion secure AI adoption by applying frameworks like MITRE ATLAS OWASP ML and NIST AI RFM ensuring explainable ethical and trustworthy AI integration.
• Collaborate with cross-functional teams including Enterprise Architecture and AI/ML Engineering to balance innovation with governance and ensure agility without compromising trust.
• Support regulatory compliance (ISO 27001 PCI-DSS NIST 800-53) through architecture controls testing and documentation.
• Evaluate and secure emerging platforms such as Azure OpenAI Databricks Hugging Face LangChain and vector databases.

To Succeed You Bring:

• 10 years of progressive cybersecurity experience with deep hands-on expertise in enterprise and cloud security architecture.
• CISSP certification (required); advanced designations such as Microsoft Cybersecurity Architect Expert (SC-100) Azure Security Engineer (AZ-500) CISM or CISSP-ISSAP are assets.
• Excellent communication and collaboration skills with the ability to translate complex security principles into clear actionable guidance.
• Proven track record designing secure architectures for GenAI LLM and ML environments across Azure AWS or GCP.
• Advanced understanding of AI/ML threat models including adversarial ML data poisoning model theft hallucination mitigation and prompt injection.
• At least 8 years of experience securing CI/CD DevSecOps and MLOps pipelines using GitHub Actions Azure DevOps Jenkins or ArgoCD.
• Expert-level knowledge of Microsoft Azure security services such as Defender for Cloud Sentinel Security Center Key Vault Conditional Access and Privileged Identity Management.
• Hands-on experience with security assessment and validation tools including vulnerability scanners static/dynamic analysis container scanners and code analysis platforms.
• Familiarity with frameworks and standards such as NIST CSF NIST 800-53 ISO 27001/27035 CIS Controls MITRE ATT&CK and Zero Trust Architecture (NIST 800-207).
• Knowledge of AI governance and compliance frameworks such as NIST AI RMF MITRE ATLAS and ISO/IEC 42001.
• Bachelors degree in Computer Science AI Information Security Cybersecurity or related technical field.
• A growth mindset passion for innovation and a commitment to implementing security that enables rather than limits technology progress.

At CAAT we believe innovation passion and purpose are ingredients for a great work environment. Were incredibly proud of our people and the remarkable impact they have as catalysts for change. Were committed to attracting and keeping great talent which means competitive compensation exceptional benefits and an environment where people can grow and thrive. When you work with CAAT youll enjoy:

• Opportunities to Build a Better You: We never stand still. As we grow so do you. Enjoy a place that provides endless opportunities to learn and master your skills while cultivating new ones.
• Comprehensive & Holistic Care: Be at your best with a Total Rewards program that feeds and prioritizes your physical mental and financial wellness. From flexible work arrangements comprehensive benefits to wellness incentives and a defined benefit pension plan we have you covered.
• A Place to Collaborate and Win: Weve built a lively environment where creativity and open communication thrive. Its why were consistently recognized as one of Canadas Most Admired Corporate Cultures one of Greater Torontos Top Employers and one of the Best Places to Work.
• Work that Truly Matters. Youre giving Canadians the opportunity for better retirement security and organizations the chance to do more.
  

If you believe that Canadians deserve a future where a secure lifetime retirement income contributes to their financial and overall well-being then CAAT could be the right fit for you. Start your journey with us today. Apply now.

Learn more about us by visiting Equity Inclusion and Belonging (DEIB):

DEIB at CAAT means we respect and value the broadest range of experiences geographies gender ethnicities backgrounds and perspectives as key elements of our culture. Our vision is to provide an environment where employees can bring their best professional authentic selves to work.

CAAT Pension Plan is an equal opportunity employer and we will accommodate any needs under the Accessibility for Ontarians with Disabilities Act and the Ontario Human Rights Code. Hiring processes will be modified to remove barriers to accommodate those with disabilities if requested. Should any applicant require accommodation through the application processes please contact us at or call Human Resources at for assistance.