Security Engineering Intern

We are seeking a Security Engineering Intern to join our Information Security team. In this role, you will collaborate with seasoned engineers to design, build, and automate security controls, helping protect our infrastructure and applications against emerging threats. Rather than shadowing, you will take ownership of a dedicated technical project—such as building security automation, integrating testing tools into CI/CD pipelines, or enhancing detection mechanisms—leaving a tangible impact on our security posture.

About Tmx

Venture outside the ordinary - TMX Careers The TMX group of companies includes leading global exchanges such as the Toronto Stock Exchange, Montreal Exchange, and numerous innovative organizations enhancing capital markets.

United as a global team, we’re connecting cross-functionally, traversing industries and geographies, moving opportunity into action, advancing global economic growth, and propelling progress.

Through a rich exchange of ideas, meaningful collaboration, and a nimble operating model, we're powering some of the nation's most critical systems, fueling capital formation and innovation, bringing increased opportunity to business visionaries, product ingenuity to consumers, and career exploration to our team.

Ready to be part of the action?

In the market for… Excitement - Explore emerging technology and innovation, as well as ventures and digital finance that shape the future of global markets!

Experience the movement of the market while grounded in the stability of close to 200 years of success.

Connection - With site hubs in some of the world’s most multicultural cities, we leverage our size and structure to create rich connections and belonging while experiencing powerful global impact through our work.

Growth - From a growth mindset in our work, to expansion in our business, TMX is home to action-takers energized by the achievement of ambitious growth.

Ready to enrich your career with impactful work, leaders who truly care, and the flexibility and programs to help you thrive as part of #TeamTMX ?

Responsibilities

• Develop, deploy, and maintain automated tools and scripts to streamline security workflows, vulnerability scanning, and routine security tasks.
• Assist in evaluating application and cloud infrastructure configurations against recognized industry security standards and benchmarks (e.g., CIS, OWASP).
• Actively participate in security architecture discussions, threat modeling sessions, and code audits alongside senior engineering teammates.
• Analyze security telemetry and support efforts to refine detection alerts, enhance monitoring, and update incident response playbooks.
• Document technical findings, develop clear architectural diagrams, and present a capstone internship project to engineering leadership.

Requirements

• Currently pursuing a Bachelor’s, Master’s, or equivalent degree in Computer Science, Cybersecurity, Information Systems, or a related technical discipline.
• Foundational understanding of core information security concepts (e.g., cryptography, authentication/authorization, OWASP Top 10, network protocols).
• Practical coding or scripting experience in at least one modern programming language (such as Python, Go, Java, C/C++, or JavaScript).
• Comfort and familiarity working in Unix/Linux command-line environments.
• Foundational exposure to or hands-on experience with cloud platforms (AWS, GCP, or Azure).
• Strong natural curiosity about emerging technology and security practices, paired with effective written and verbal communication skills.

Preferred

• Familiarity with containerization tools (Docker, Kubernetes) and CI/CD pipeline automation (GitHub Actions, GitLab CI).
• Working knowledge of common web application vulnerabilities and practical defensive mitigation techniques.
• Demonstrated passion outside the classroom, such as security research, open-source contributions, or active membership in university cybersecurity clubs/CTF teams.

Pay

• Please note that the salary range included is a guideline only.
• The salary offered may vary based on factors, including, but not limited to, the successful candidate’s relevant knowledge, skills, and experience.

Benefits

• More than a platform, we use our talents to power mission-critical systems that drive global economic advancement, innovation, and growth.
• As well, our employee-led Team Impact spreads social good via our giving strategy.
• From empathetic leadership to a culture of flexibility and balance, we believe wellness at work creates the maximum yield and a stronger “we”.
• Plus, with a cloud-first and hybrid workstyle, as well as generous time-off and leaves, we support a life well lived!

Reports to

Manager, Security Engineering Job Location: Hybrid (2-3 days in office) - based in Toronto, ON.

Notes

4 month Co-op Internship: January 11, 2027 to April 30, 2027 In order to be considered for the position, you are required to submit your Knockri Assessment Salary Range: $20.00/hour - $23.00/hour CAD .

The recruiting efforts for this role are intended to fill a vacant position. For this role AI-assisted tools are utilised as one input in the application and screening process. AI does not make final hiring or interview decisions.

Apply now. Please note that our company is not currently sponsoring work permit applications and the applicant must be authorized to work in the country where this position is located. TMX is committed to creating and sustaining a collegial work environment in which all individuals are treated with dignity and respect and one which reflects the diversity of the community in which we operate. We provide accommodations for applicants and employees who require it .