Top Cyber Security Jobs in Toronto

The Senior Named Account Executive will develop sales strategies, manage contracts, maintain sales pipelines, and build long-term relationships with government accounts in Ontario.

As a Senior Field Solutions Architect, lead complex architectural designs, ensure technical quality, guide sales teams, and mentor junior staff while focusing on customer needs in IT environments.

Design, build, and operate secure, resilient distributed systems for secrets and key management across Cloudflare's global network. Re-architect and strengthen internal PKI and machine/workload identity, support and run services (including on-call), and consult with teams to ensure secure system design and usage.

Design, build, and operate enterprise identity and endpoint security systems. Implement lifecycle automation, SSO/SCIM provisioning, phishing-resistant MFA, conditional access, endpoint hardening and EDR operations. Build automation and AI agents to reduce manual work, run the enterprise security program, monitor metrics, and partner on telemetry and incident response.

Lead design and enhancement of enterprise technology controls and cybersecurity governance for financial services. Advise senior stakeholders on risk assessments, IAM, security architecture, threat management, regulatory compliance, audit support, control testing, remediation, and secure delivery across applications, infrastructure, and transformational initiatives.

As a Senior Software Engineer in Server Security, you will enhance MongoDB's security features, focusing on distributed systems, cryptography, and networking protocols while collaborating across teams to ensure quality and security best practices.

Lead and grow the AMER Technical Architecture practice within Professional Services. Manage Technical Architects across presales and delivery, oversee scoping, staffing, and delivery quality, coach senior technical talent, support strategic customer conversations, and turn field learnings into repeatable delivery methods, playbooks, and standards.

Own application-layer risk identification and remediation across consumer products and APIs. Build and operate AppSec tooling, Harden auth/authorization and GraphQL security, run HackerOne and offensive testing, lead threat modeling and security reviews, and build AI agents to automate triage and remediation while embedding secure-by-default practices into engineering workflows.

Design, operate, and improve cloud security for a multi-account AWS environment and Kubernetes clusters. Build detection, prevention, and automated remediation workflows, drive zero-trust access, shift-left security in pipelines, integrate cloud security tooling, mentor engineers, and partner with infrastructure teams on identity, networking, and secrets management.

Design and implement cloud-native security data pipelines and detection systems, collaborate on detection engineering and Kubernetes/cloud-native controls, and participate in on-call rotations to respond to incidents and improve platform security and reliability.

Design, build, test, and maintain scalable full-stack enterprise applications. Develop backend services and RESTful APIs with Spring Boot, and responsive frontends with React/Angular. Perform database design and SQL development (PostgreSQL, PL/pgSQL, Cosmos DB), implement automated tests, troubleshoot production issues, support deployments and migrations, and collaborate with stakeholders through the SDLC to ensure security, performance, accessibility, and scalability.

Design, build, test, and maintain production-grade web applications as part of a development team. Participate in code reviews, research new technologies, optimize performance, and communicate with teammates to deliver high-quality consumer and enterprise software.

Sell Infoblox cloud-first networking and security solutions to Canadian federal and enterprise accounts. Own full sales cycle, hunt new logos, grow install base, build pipeline, collaborate with cross-functional teams, articulate AI/ML solution value, and meet revenue and activity targets.

Lead detection, incident response, and digital forensics across macOS/Windows/Linux; act as Incident Commander, triage alerts, use SIEM, build investigation scripts and automated runbooks, collaborate with stakeholders on insider threat and security operations improvements.

The Product Security Engineer will implement security testing, manage vulnerabilities in codebases, and integrate security practices into CI/CD pipelines while collaborating with engineering teams.

Lead AppSec efforts across product, platform, and AI features by owning secure SDLC, performing threat modeling and deep code reviews, driving vulnerability management and remediation, building AppSec tooling and automations (including AI-assisted workflows), and enabling engineering teams with secure design guidance and training.

Lead multiple cloud engineering teams to deliver scalable, resilient asset management and workflow orchestration platform services. Drive cloud-native architecture adoption, CI/CD, observability, SRE practices, and cross-team execution. Partner with product and architecture to define roadmaps, ensure operational readiness, and deliver production-grade systems at global scale.

Lead the 0-to-1 strategy and roadmap for Harvey's legal operations platform, partnering with engineering, design, GTM, and customers to build governance, visibility, and vendor-management features. Drive discovery through launch, define success metrics, and enable enterprise adoption for procurement and compliance-driven buyers.

Lead design and execute enterprise cloud migration to GKE: define migration strategy, target architecture, containerization patterns, CI/CD/Helm deployments, manage risks, and lead stakeholder workshops and technical oversight across migration phases.

Join the founding team to spearhead sales initiatives, develop content strategies, and enhance customer relationships in blockchain security. Collaborate closely with the CEO to achieve product-market fit and build a strong team culture.

Manage an assigned territory supporting SLED: generate pipeline from prospecting to close, provide presales support, align with channel and reseller partners, track opportunities in Salesforce, run demos via online tools, forecast revenue, meet quotas, and report on opportunities to grow company revenue.

The Senior Product Manager for Security will lead the product vision and strategy for security features, working with engineering and other teams to enhance data security and safeguard customer trust.

The Senior Security Engineer will secure cloud infrastructure across various services, develop security policies, manage exceptions, and respond to security alerts while collaborating with teams to eliminate security risks.

This role requires shaping technical direction, leveraging AI tools for production systems, and making crucial decisions to align product intent with engineering realities.

Lead technical strategy and architecture for software security across Block. Design and deliver security solutions, drive Secure SDLC adoption, threat model critical systems, mentor engineers, and execute high-priority security initiatives for scalable, resilient security services and mobile/platform security.