senior security engineer jobs in Toronto

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10,000 senior security engineer job listings in Canada. Find daily updated positions from leading job boards.


  • Toronto, Ontario, Canada Avenue.io Inc. Full-time

    Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of...


  • Toronto, Ontario, Canada Dye & Durham Corporation Full-time

    The Senior Security Engineer is responsible for advancing and protecting the organization's security posture through the design, implementation, and continuous improvement of cybersecurity controls, threat detection capabilities, vulnerability management programs, and incident response processes. This role combines technical security engineering expertise...


  • Toronto, Ontario, Canada 7shifts Full-time

    7shifts is an HR platform designed to help restaurant teams thrive. With an easy-to-use app and industry-specific solutions, 7shifts saves time, reduces errors, and helps keep costs in check for over 55,000 restaurants. Our mission is to simplify team management and improve performance for restaurants, with a long-term vision of creating a thriving...


  • Toronto, ON, Canada EQ Bank | Equitable Bank Full-time

    OverviewSenior Security Engineer with a strong Cloud Security background. The candidate will have an in-depth Zero Trust and SASE security model understanding. Responsibilities include Cloud Logs Acquisition and Analysis, Cloud Investigations, Security Engineering & Architecture, Use Case Development, Playbook Development, SIEM Log Integration, and Threat...


  • Toronto, ON, Canada Docebo Full-time $100,000 - $130,000 Contract

    Artificial Intelligence. Actual Impact.At Docebo, AI isn’t just a buzzword — it’s how we help teams move faster, perform better, and focus on the work that actually matters. Our learning platform is built with smart, time-saving tools that personalize training, cut the busywork, and make learning feel like less of a chore (and more of a...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Dye & Durham Corporation Full-time €140,000

    The Senior Security Engineer is responsible for advancing and protecting the organization's security posture through the design, implementation, and continuous improvement of cybersecurity controls, threat detection capabilities, vulnerability management programs, and incident response processes. This role combines technical security engineering expertise...


  • Toronto, Ontario, Canada Mysten Labs, Inc. Full-time

    Mysten Labs believes that decentralized and open protocols are the bedrock of the internet of value. This is why at Mysten Labs, we are creating foundational infrastructure to accelerate the adoption of decentralized protocols based on blockchain technologies.We’re looking for a Senior Security Engineer to help protect the Sui ecosystem. You’ll uncover...


  • Toronto, Ontario, Canada Cognizant Full-time

    Practice - CIS - Cloud, Infrastructure, and Security Services About Cloud Infrastructure & Security Services: Cognizant’s Cloud, Infrastructure, and Security Services Practice (CIS), is all about embracing digital transformation by driving core modernization holistically across layers. We help customers transform infrastructure and workplace to meet the...


  • Toronto, Canada Qorsa Corp Full-time €120,000 - €190,000 Contract

    About Qorsa Qorsa is a Canadian post-quantum cryptography and cybersecurity company building CasQade — a crypto-agile security platform protecting sovereign government, defence, financial, and critical-infrastructure networks against current and emerging cryptographic threats. We are headquartered in Waterloo, Ontario, with a European subsidiary in The...


  • Toronto, ON, Canada PagerDuty, Inc. Full-time €157,000 - €207,000 Contract

    PagerDuty, Inc. (NYSE: PD) is the global leader in AI-first digital operations. By automatically detecting, diagnosing, and remediating issues, the PagerDuty Platform orchestrates AI agents and automated workflows with context from over 750 integrations. Trusted by approximately two-thirds of the Fortune 100 and nearly half of the Fortune 500, PagerDuty is...


  • Toronto, Ontario, Canada Varicent Full-time

    Elevate security measures with Varicent as a Senior Security Engineer on a 17-month contract. You'll enhance our systems, applications, and cloud environments, while collaborating across various teams.Varicent is seeking a hands-on Security Engineer to bolster security across diverse domains such as incident response, vulnerability management, and tooling....


  • Toronto, ON, Canada Cognizant Full-time €105,000 - €120,000 Contract

    Lead security solutions for Tenzai as a Senior Security Engineer at Cognizant in Toronto, Ontario. This hybrid role focuses on implementing, optimizing, and leading vulnerability assessments. As a Senior Security Engineer, you will drive Tenzai security solution deployments while collaborating with cross-functional teams in Engineering, DevOps, and Risk &...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada PagerDuty, Inc. Full-time €156,800 - €206,800 Temporary

    PagerDuty, Inc. (NYSE: PD) is the global leader in AI-first digital operations. By automatically detecting, diagnosing, and remediating issues, the PagerDuty Platform orchestrates AI agents and automated workflows with context from over 750 integrations. Trusted by approximately two-thirds of the Fortune 100 and nearly half of the Fortune 500, PagerDuty is...


  • Toronto, Ontario, ON, Canada Forma.ai Full-time

    **About Forma.ai:**   Forma.ai is a Series B startup that's revolutionizing how sales compensation is designed, managed and optimized. We handle billions in annual managed commissions for market leaders like Edmentum, Stryker, and Autodesk.  Our growth has been fuelled by our passion for fundamentally changing and shaping how companies use sales...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Cognizant Full-time €105,500 - €124,000

    Practice - CIS - Cloud, Infrastructure, and Security Services About Cloud Infrastructure & Security Services: Cognizant’s Cloud, Infrastructure, and Security Services Practice (CIS), is all about embracing digital transformation by driving core modernization holistically across layers. We help customers transform infrastructure and workplace to meet the...


  • Toronto, Ontario, Canada Dye & Durham Talent Team Full-time $140,000 Contract

    Dye & Durham, a leading global provider of cloud–based software and technology solutions, provides critical information services and workflows used by clients all over the world to manage their process, information, and regulatory requirements. The company is focused on an unwavering commitment to customer excellence and to the personal and professional...


  • Toronto, ON, Canada Rootly Full-time

    About Rootly At Rootly, we are on a mission to be the go-to way companies respond when things go wrong, helping every organization be more reliable. We do this by building an industry-leading incident management platform that allows companies around the world consistently and quickly resolve incidents. We are not simply transforming an industry, we are...


  • Toronto, Ontario, Canada ProducePay Full-time

    Who we are:Motive empowers the people who run physical operations with tools to make their work safer, more productive, and more profitable. For the first time ever, safety, operations and finance teams can manage their drivers, vehicles, equipment, and fleet related spend in a single system. Combined with industry leading AI, the Motive platform gives you...


  • Toronto, Canada Qorsa Corp Full-time €120,000 - €190,000 Contract

    Advance cybersecurity with Qorsa as a Senior Security Engineer in Waterloo, Ontario. Drive cryptographic trust in our SiQcure post-quantum platform ensuring software supply chain integrity. As a Senior Security Engineer, you'll take ownership of security and cryptographic trust for SiQcure, essential for compliance with emerging regulations. Your expertise...


  • Toronto, ON, Toronto Census Division, ON; Ontario, Canada Avenue.io Inc. Full-time

    Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of...