Systems Engineer - Linux (12-month contract)

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? The Systems Engineer is responsible for the management and support of various infrastructure technologies on distributed system platforms. In this role, you will design, build, and maintain technical solutions based on business requirements and the evaluation of modern information technology trends and practices, utilizing a strong automation, programmatic, and Infrastructure as Code (IaC) approach to systems management. This role requires an awareness of modern practices like Platform Engineering and how Generative AI tools (such as Copilot and Claude) can augment engineering velocity. This role reports to: Senior Manager, Infrastructure Systems Engineering Job Location: Hybrid (2-3 days in office) - based in Toronto, ON. Key Accountabilities Design, implement, and maintain operating systems, application software, and system management tools to ensure high availability and strict adherence to established operational standards. Drive the adoption of an IaC approach by translating business requirements into scalable, programmatic solutions and maintaining system configurations using industry-standard automation tooling. Develop and optimize high-quality code for complex systems tasks, leveraging modern tools (e.g., Copilot, Claude) to accelerate engineering velocity and workflow execution. Proactively monitor, identify, and resolve infrastructure resource bottlenecks, performing low-level system performance tuning in high-throughput environments in collaboration with cross-functional teams. Provide advanced 2nd and 3rd level systems support alongside rotational on-call coverage, liaising directly with external vendors and internal technical groups for rapid problem resolution. Author, update, and maintain comprehensive technical documentation, infrastructure design standards, and procedural deployment guides. Research, evaluate, and recommend emerging datacenter and infrastructure technologies that directly align with global team objectives. Must Have(s) Education & Experience: A post-secondary degree or equivalent relevant experience in Computer Science or Engineering, paired with 5+ years of progressive system administration experience. Core…