Engineer I - AI Security

by TD Canada Trust

Reference #: R_1454031
Position Type: Regular, Full-time
Remote work options: No
Location: London, Ontario
Date Posted: Oct 29, 2025
TD Canada Trust

Job Description

Job Description Summary

Our new AI Defense team provides focused development and testing in the AI space. We build security tools that incorporate AI based automation, test the security of applications that use AI, and vet third party AI tools.

As an Engineer II on our AI Defense team, you will help build, design and scale security applications including tools for security professionals and mock applications to test security applications against. You will create detailed documentation in support of our tools' users and document the results of our testing.

KEY ACCOUNTABILITIES

  • Design, build and implement tools for Penetration Testing, Red Teaming and ongoing evaluation of vulnerabilities in AI applications
  • Build mock AI Applications to test and understand both internal and third party AI Security applications
  • Analyze vendor and open source applications
  • Scale tools to meet our customers where they are, eg. Part of CI/CD
  • Fulfill and advance security best practices
  • Work with partners and customers to understand relevant business needs
  • Create clean and understandable documentation for tools, features and assessment results

Qualifications

  • Minimum 4 years programming production applications
  • Strong understanding of Python programming
  • Understanding of CI/CD
  • Experience troubleshooting production applications
  • Understanding of RESTful APIs and ability to extract, manipulate and update data in different formats (JSON, XML, CSV, HTML)
  • Scripting skills on Linux
  • Ability to establish and maintain effective working relationships with all levels of personnel both includes leadership, executives, clients, vendors
  • Ability to make engineering design decisions, efficiently build solutions, solves technical problems, and makes improvements to our systems
  • Understanding of core security systems eg. Authentication, encryption
  • Understanding of Azure Cloud and it's networking concepts

Nice to Haves

  • Understanding of LLM fundamentals
  • Understanding of simple and advanced RAG uses

#Li-tech

Who We Are:

TD is one of the world's leading global financial institutions and is the fifth largest bank in North America by branches/stores. Every day, we deliver legendary customer experiences to over 27 million households and businesses in Canada, the United States and around the world. More than 95,000 TD colleagues bring their skills, talent, and creativity to the Bank, those we serve, and the economies we support. We are guided by our vision to Be the Better Bank and our purpose to enrich the lives of our customers, communities and colleagues.

TD is deeply committed to being a leader in customer experience, that is why we believe that all colleagues, no matter where they work, are customer facing. As we build our business and deliver on our strategy, we are innovating to enhance the customer experience and build capabilities to shape the future of banking. Whether you’ve got years of banking experience or are just starting your career in financial services, we can help you realize your potential. Through regular leadership and development conversations to mentorship and training programs, we’re here to support you towards your goals. As an organization, we keep growing – and so will you.

Our Total Rewards Package
Our Total Rewards package reflects the investments we make in our colleagues to help them and their families achieve their financial, physical, and mental well-being goals. Total Rewards at TD includes a base salary, variable compensation, and several other key plans such as health and well-being benefits, savings and retirement programs, paid time off, banking benefits and discounts, career development, and reward and recognition programs.

Additional Information:
We’re delighted that you’re considering building a career with TD. Through regular development conversations, training programs, and a competitive benefits plan, we’re committed to providing the support our colleagues need to thrive both at work and at home.

Please be advised that this job opportunity is subject to provincial regulation for employment purposes. It is imperative to acknowledge that each province or territory within the jurisdiction of Canada may have its own set of regulations, requirements.

Colleague Development
If you’re interested in a specific career path or are looking to build certain skills, we want to help you succeed. You’ll have regular career, development, and performance conversations with your manager, as well as access to an online learning platform and a variety of mentoring programs to help you unlock future opportunities. Whether you have a passion for helping customers and want to expand your experience, or you want to coach and inspire your colleagues, there are many different career paths within our organization at TD – and we’re committed to helping you identify opportunities that support your goals.

Training & Onboarding
We will provide training and onboarding sessions to ensure that you’ve got everything you need to succeed in your new role.

Interview Process
We’ll reach out to candidates of interest to schedule an interview. We do our best to communicate outcomes to all applicants by email or phone call.

Accommodation
Your accessibility is important to us. Please let us know if you’d like accommodations (including accessible meeting rooms, captioning for virtual interviews, etc.) to help us remove barriers so that you can participate throughout the interview process.

We look forward to hearing from you!

Language Requirement (Quebec only):
Sans Objet

Our Values
At TD we’re guided by our purpose to enrich the lives of our customers, communities and colleagues, and share a set of values that shape our culture and guide our behavior. In exchange for how our colleagues show up to help TD succeed, we are committed to delivering a colleague experience grounded in Impact, Growth and a Culture of Care. No matter where you work across TD, we empower you to make an impact at work and in your community, explore and grow your career and be part of our caring and inclusive culture.

Our Commitment to Diversity, Equity, and Inclusion
At TD, we’re committed to fostering an environment where all colleagues are encouraged to bring their authentic selves to work, experience equitable opportunities, and feel respected and supported. We’re dedicated to building an inclusive workforce that reflects the diversity of the customers and the communities in which we live and serve.

Helping to Make an Impact in Communities – TD Ready Commitment
TD has a long-standing commitment to help drive progress towards a more inclusive and sustainable future. That’s why we launched the TD Ready Commitment in 2018, now a multi-year North American initiative. Under the TD Ready Commitment, we are targeting a total of C$1 billion by 2030 in community giving across four key, interconnected drivers of change: Financial Security, Vibrant Planet, Connected Communities, and Better Health. It’s our goal to help support change, nurture progress, and contribute to making the world a better, more inclusive place for our customers, colleagues, and communities.