Top Cyber Security Jobs in Toronto

Leads cloud security architecture and implementation, focusing on data privacy, GDPR compliance, Kubernetes security, mTLS, RBAC, zero-trust networking, audit logging, threat modeling, and vulnerability assessments. Collaborates across teams, mentors junior engineers, documents security practices, monitors industry trends, and drives resilient, compliant cloud infrastructure.

Manage new and existing B2B sales opportunities for electronic security solutions across the GTHA. Responsibilities include customer discovery, site surveys, solution development, proposals, quotations, account growth, prospecting, recurring-service sales, Salesforce pipeline management, and coordination with technical and operations teams. The role is primarily remote and field-based, with occasional travel across Ontario.

Own post-sale success for enterprise customers using SAFE’s CTEM platform. Serve as a trusted cyber-risk advisor to CISOs, CIOs, risk, compliance, and security operations stakeholders; align success goals, drive value realization and retention metrics, support platform adoption, coordinate deployment issues, document best practices, and communicate customer feedback to Product Management.

Own SOC 2 Type 2 and ISO 27001 compliance programs while securing AWS, GCP, SaaS, infrastructure, identity, CI/CD, and software supply chains. Triage and remediate security findings, administer access and endpoints, support IT operations, manage auditors and customer reviews, debug cloud production issues, and build automated security guardrails, documentation, and postmortems.

Leads the strategy, architecture, governance, and modernization of global network security across enterprise, cloud, data center, remote access, and manufacturing OT environments. Designs Zero Trust, SASE, SD-WAN, firewall, segmentation, cloud connectivity, and detection solutions; oversees architecture standards, risk assessments, compliance, incident response, automation, vendor management, and technology roadmaps. Acts as a technical authority, leads design reviews, influences executives, and mentors engineers and architects.

Lead PAM architecture and engineering for IDIRA/CyberArk Privileged Cloud, including custom CPM plugins, PSM connectors, MFA integrations, JIT access, cloud administration, and AI-agent credential vaulting. Establish onboarding standards, security controls, automation, auditability, and risk metrics across AWS, Azure, and GCP. Troubleshoot complex platform issues, remediate privileged-access risks, guide application teams, and support incident response involving compromised privileged accounts.

Leads a national personnel security clearance team, overseeing workflows, coaching, performance, compliance, audits, documentation, and risk management. Serves as subject matter expert on background checks, exemptions, client screening requirements, and security clearance processes. Maintains clearance records, supports access-card administration, reviews contractual requirements, delivers briefings, and improves screening procedures. Partners with internal teams, clients, vendors, and screening providers while ensuring compliance with policies, contracts, privacy regulations, and applicable legislation.

Leads cybersecurity threat modeling for applications, systems, cloud environments, architecture patterns, and AI use cases. Assesses risks, defines security requirements and mitigations, supports testing and assurance activities, manages findings, and advises technology teams throughout project lifecycles. The role scales threat-modeling capabilities through methodologies, tooling, training, and reporting while integrating security into DevSecOps and governance. It also communicates risks to technical and executive stakeholders and mentors team members.

Talent-network posting to collect engineers for future openings across full-stack, backend (Golang), frontend (React), mobile (iOS/Android/React Native), blockchain, AI, DevOps, security, data, and QA. Applicants should state domain, core technologies, location/time zone, and share links to profiles or projects. Fully remote; must have right to work in the country you are based.

Own quality engineering for high-throughput payment systems by architecting automated regression, performance, stress, and load testing. Build emulators for external payment systems, integrate quality gates into CI/CD pipelines, validate microservices, event-driven architectures, and databases, and use Prometheus and Grafana for observability. Apply AI-assisted testing, synthetic data generation, and edge-case analysis while mentoring engineers and preventing incidents through telemetry-driven testing and post-mortems.

Own quality engineering for high-throughput payment systems by designing automated regression suites, performance and load tests, quality gates, external-system emulators, observability-driven test environments, and AI-assisted testing workflows. Partner with feature teams and product leaders to improve reliability, scalability, security, and transactional accuracy. Mentor engineers, support incident prevention, and embed automated validation throughout the software development lifecycle.

Conduct research and design AI data-security and privacy architectures for endpoint devices. Prototype and build privacy-preserving defenses, analyze emerging attack vectors and regulations, and collaborate with global labs and product teams to transition research into production-grade endpoint security solutions.

Design secure, scalable payment infrastructure solutions for prospective and existing customers. Lead technical discovery, map complex payment flows, create architectures, demos, proposals, proofs of concept, and implementation handoffs. Advise on tokenization, PCI scope reduction, processor connectivity, payment portability, resiliency, and compliance. Partner with Sales, Account Management, Product, Engineering, and customer technical teams, provide launch oversight, influence product strategy, and develop reusable integration assets and reference architectures.

Lead platform engineering for high-scale, multi-region AWS payment infrastructure. Architect immutable, highly available, self-healing systems; automate infrastructure through Terraform, GitOps, CI/CD, and Kubernetes; establish observability with Prometheus, Grafana, and OpenTelemetry; own incident management and resiliency improvements; design private connectivity; and mentor engineers while driving organization-wide platform standards.

Sell Retell AI’s voice AI platform to large enterprises by owning full sales cycles, designing pilots, building quantified business cases, navigating procurement/security, and driving production and expansion across multi-stakeholder buying committees.

Secure Temporal’s development pipeline, product, and customer execution environments. Partner with engineering teams on secure architecture, threat modeling, risk assessments, code and software supply-chain security, vulnerability triage, Kubernetes hardening, multi-tenant isolation, and responsible AI security. Participate in on-call rotations and help establish actionable security policies and practices across the organization.

Lead the architecture, scaling, reliability, and security of multi-region AWS infrastructure supporting high-throughput payment systems. Build immutable, self-healing environments with Terraform, Kubernetes, GitOps, CI/CD, and automated resiliency. Develop observability using Prometheus, Grafana, and OpenTelemetry; manage incidents and post-mortems; improve engineering velocity through Golden Paths and platform enablement; and mentor engineering teams on reliable infrastructure practices.

Build and maintain production React/Redux front-ends and Java Spring Boot back-ends; use agentic AI tools across the SDLC for specs, coding, testing, reviews, and debugging; create APIs, integrations, automated tests, ensure production readiness, observability, security, and take ownership through release and production verification.

The role involves researching and prototyping security technologies for OS and device protection, analyzing threats, and developing innovative security features.

Provide hands-on technical support for payment tokenization integrations by debugging network, API, infrastructure, and downstream gateway issues. Own customer onboarding, escalations, incident and maintenance communications, status page updates, and cross-team coordination. Lead customer integrations from kickoff through go-live, create documentation and training, meet SLAs, and serve as the primary Support decision-maker during PT business hours. Participate in an every-third-weekend on-call rotation.

The Enterprise Customer Success Manager at Canonical is responsible for onboarding customers, managing relationships, identifying growth opportunities, and collaborating with cross-functional teams to enhance customer satisfaction.

Supports enterprise vulnerability management governance and daily operations, including application security scanning, vulnerability data validation, remediation tracking, reporting, secure coding training, audit support, and process improvement. Partners with security, development, technology, risk, compliance, and business teams to resolve issues, maintain controls and documentation, communicate risks, and improve vulnerability management outcomes.

Performs offensive security engagements, including network, wireless, web application, API, cloud, hardware, social engineering, and red team testing. Authors vulnerability and executive reports, presents findings and recommendations to clients, responds to inquiries, and contributes to improving assessment methodologies. Requires strong knowledge of Windows, Active Directory, Linux, networking, security architecture, penetration testing frameworks, and common offensive security tools.

Leads VGS’s strategic partnerships across payments, commerce technology, card networks, cloud providers, AI platforms, wallets, and infrastructure partners. Responsibilities include managing a partnerships team, developing ecosystem and product strategies, negotiating complex commercial and technical agreements, coordinating cross-functional launches, building executive relationships, and translating market insights into product roadmap and growth opportunities. Requires deep payments ecosystem knowledge, strategic partnership experience, and the ability to connect technical capabilities with partner needs.

Design, build, and scale resilient distributed payment systems handling 1,000+ transactions per second. Collaborate with Product, Revenue Operations, Cloud Platform, and Security teams to shape product requirements and roadmaps. Lead AI-augmented software delivery, code reviews, testing, observability, performance optimization, incident response, on-call rotations, and root cause analysis while maintaining strict security, reliability, and low-latency standards.