248 jobs found for Security in Ontario

We are seeking a Senior Cybersecurity Specialist to address evolving digital challenges and ensure robust protection for mission-critical IT systems. This role is pivotal in safeguarding sensitive data, maintaining compliance with modern cybersecurity standards, and mitigating emerging threats during large-scale infrastructure modernization. The specialist will lead cybersecurity strategy development, risk assessment, and secure system integration, ensurin

We are seeking a highly focused Microsoft Security Specialist for a strategic, short-term engagement to lead a comprehensive security assessment and remediation initiative. This role is centered on optimizing security posture across Microsoft 365, Defender, and cloud infrastructure, with a specific emphasis on hardening access controls and endpoint management. As the primary technical lead for a specialized security review, you will analyze findings, ident

Do you have 5+ years's experience and knowledge with Cloud computing concepts. Microsoft Azure and Amazon AWS PaaS knowledge and experience is highly preferred? Do you have 5+ years's experience and knowledge of application security architectures and the purpose of privacy and security controls (e.g. token based authentication and authorization such as OIDC, SAML and OAUTH) ? If so, this would be a great opportunity for you!Our client is looking for a Seni

Do you have 8+ years experience in Design and implement enterprise security architecture across cloud, on‑premises, and hybrid environments, ensuring alignment with business strategy, regulatory requirements, and industry best practices? Do you have 8+ years experience in Develop and maintain security standards, policies, and governance frameworks, including identity and access management (IAM), encryption, network security, and secure configuration baseli

Do you have expertise in identifying, evaluating, and prioritizing threats and vulnerabilities across physical, cyber, and operational domains? Do you have strong analytical skills to assess potential impacts and likelihoods of various threat scenarios? If so, this would be a great opportunity for you!Our client is looking for a Senior Security Specialist for a 12 month contract in Toronto.This is an onsite role.Rate: $ 593.78 - $ 638.47Advantages• Earn a

We are seeking a Senior Security Specialist with over a decade of hands-on experience in offensive security to safeguard large-scale infrastructure and information resources. This role is focused on identifying and mitigating complex security gaps through rigorous penetration testing, red team exercises, and source code reviews. You will act as a critical advisor on security architecture and safeguards, ensuring that highly sensitive systems are deployed s

We are seeking a Technology Architect with senior-level expertise in IBM RACF to join a high-consequence mainframe environment. This role is dedicated to the expert-level administration, architectural design, and operational support of mainframe security systems. You will be responsible for resolving complex security violations, managing SSL/TLS certificate renewals, and ensuring the integrity of a 24x7 mission-critical environment. The ideal candidate bri

We are seeking a Systems Administrator / Operations Support Specialist to provide high-level technical expertise and Tier 3 support for complex enterprise environments. This role is a blend of traditional systems administration, network security, and quality assurance. You will be responsible for the health of integrated technical environments, including server clusters, virtualized infrastructure, and security components. The ideal candidate will bridge t

We're looking to hire a Network Analyst for a client in public sector. This role involves the complete configuration, upkeep, and secure management of an organization's data, voice (VoIP), and wireless network environments. The specialist will ensure the constant integrity and stability of network services, performing necessary upgrades, troubleshooting complex network issues, and continuously monitoring performance and security systems. A core function is

We are seeking a Senior IT Enterprise Architect/Strategist to provide executive-level leadership and deep technical expertise in Public Key Infrastructure (PKI). This role is focused on the modernization and migration of mission-critical identity services. You will lead the transition of applications from legacy Entrust TruePass solutions to a modern OCSP / X.509 architecture, oversee CA upgrades, and develop the strategic roadmap for a potential migration

We are seeking a highly skilled Senior DevOps/Cloud Engineer to join our team in Toronto for a mission-critical 18-month engagement. This role is focused on designing, building, and supporting robust AWS cloud environments tailored for the Public Health domain. You will leverage your expertise in Linux systems, Kubernetes, and automated CI/CD pipelines to ensure the availability, security, and scalability of complex production systems while adhering to com

We are seeking an Infrastructure Integration Specialist to provide expert-level technical guidance and operational support for complex network and security environments. This role is pivotal in ensuring the stability, security, and performance of critical infrastructure systems. You will lead troubleshooting efforts for high-consequence business systems, manage new deployments and ensure strict adherence to ISO 27001 standards and ITIL service management p

We are seeking a Senior Risk/Compliance Specialist to lead and coordinate comprehensive risk assessments across a diverse portfolio of enterprise systems. This role is responsible for interpreting complex policies, legislation, and standards to provide actionable advice for executive management. You will bridge the gap between high-level regulatory requirements and technical implementation, ensuring that security architecture, access controls, and developm

We are seeking a Senior Cloud Development and Administration Specialist to design, develop, and integrate enterprise business solutions while championing modern AI and IT security strategies. In this role, you will act as a technical leader, bridging the gap between traditional full-stack development and emerging GenAI-assisted workflows. You will be responsible for architecting mission-critical, high-performing systems using a microservices approach, ensu

We are seeking a Senior Identity Access Management (IAM) Consultant to lead the support and modernization of a large-scale Public Key Infrastructure (PKI) environment. This role focuses on mission-critical upgrades, including transitioning from obsolete Entrust CA versions to the latest releases and facilitating a migration to Managed Cloud Services. You will provide Tier-3 expertise to sustain complex identity services for a large number of users, ensurin

We are seeking a Senior Identity Access Management (IAM) Consultant with specialized expertise in Public Key Infrastructure (PKI) to support the modernization and sustainment of enterprise-level secure environments. This role is focused on high-stakes infrastructure upgrades, including the migration from legacy Entrust CA versions to the latest cloud-managed services. You will provide Tier-3 technical support for identity services supporting a large number

We are seeking a Senior Identity Access Management (IAM) Consultant to lead the support, modernization, and migration of a large-scale Public Key Infrastructure (PKI) environment. This role focuses on mission-critical infrastructure upgrades, specifically moving from obsolete Entrust CA versions to modern cloud-managed services. You will provide Tier-3 expertise to sustain complex identity services for a high number of registered users, ensuring high avail

Our Client is seeking an experienced Senior Platform Engineer – 6-Month Contract (High Renewal Potential!)Security Clearance: Must be eligible for or hold Protected B clearanceYou’ll work with a high-impact team building and maintaining mission-critical platform frameworks supporting enterprise-scale operations.Looking for a Senior Platform Engineer to support, maintain, and evolve our core platform frameworks. In this role, you’ll work closely with archit

We are seeking a Senior Technology Architect with elite-level expertise in Azure Active Directory (Azure AD/Entra ID) to lead the design, implementation, and management of identity services across a complex hybrid infrastructure. You will be responsible for the end-to-end identity lifecycle, from strategic roadmap development to the enforcement of advanced security controls. This role requires a visionary who can integrate disparate cloud services and thir

We are seeking a Senior DevOps/Cloud Engineer to lead the architecture, deployment, and automation of a high-security digital credential platform. This role focuses on building mission-critical Azure cloud infrastructure and managing production-grade Kubernetes workloads. You will be responsible for enforcing DevSecOps standards, ensuring all CI/CD pipelines are hardened with advanced security scanning, and maintaining high-availability environments that c

We are seeking a Senior Systems Testing/QA Specialist with deep expertise in Identity and Access Management (IAM) to support large-scale enterprise implementations. This role focuses on the quality assurance of identity verification workflows, secure authentication platforms, and public-facing security systems. You will lead the development of test strategies that encompass functional, security, and accessibility testing, ensuring that systems meet strict

We are seeking a technically hands-on Technology Architect to lead the onboarding and implementation of core Cloud Platform services within an enterprise environment. This role requires a balance of high-level architectural design and practical execution, focusing on building secure, compliant, and automated cloud environments. You will be responsible for driving platform resilience through reusable technology patterns and ensuring all infrastructure meets

We’re looking for a collaborative and detail-oriented professional to join our team as a Salesforce Application Developer. In this role, you will design, develop, and deliver scalable Salesforce solutions to meet business needs, including building custom applications, integrating Salesforce with other systems, and optimizing existing processes to enhance functionality and performance. You will work closely with cross-functional teams to ensure technical fe

We are seeking a highly skilled Intermediate Systems Testing/QA Specialist for an 18-month engagement in Toronto. This role is central to ensuring the quality and integrity of critical public health applications, including iPHIS, OHISS, TIS, and Panorama. You will be responsible for the end-to-end testing lifecycle, encompassing functional and non-functional testing, automated script development, and complex data validation within a healthcare context.Dura

We are seeking a Senior Project Methodology Specialist to lead high-value technology initiatives with a specific focus on Identity and Access Management (IAM). This role is responsible for overseeing complex projects involving significant technical procurements, managing critical security infrastructure upgrades, and fostering an Agile environment. You will serve as the primary link between technical teams, external vendors, and executive leadership, ensur

We are seeking a highly technical Senior Software Developer - API to lead the design and implementation of modern interoperability solutions in Toronto. This role focuses on bridging Dynamics 365, Power Platform, and Azure cloud technologies through robust REST API development. You will be responsible for translating complex technical specifications into tested, production-ready applications, utilizing both low-code and custom C#/.NET development to meet m

Do you have minimum 5 years Dynamics 365 Development experience? If so, this would be a great opportunity for you!Our client is looking for a Senior Software Developer - CRM for a 6 month contract in Toronto.This is an onsite role candidate is required to come in office 5 days a week.Rate: 555.49-591.05Advantages• Earn a competitive rate within the industry.• Location: Onsite role.• Potential for extensionResponsibilities• Provide application development

We are seeking a Senior DevOps/Cloud Engineer to join a large-scale initiative focused on digitally enabling regional and local stakeholders through centralized management systems. In this role, you will work closely with infrastructure specialists, architects, and security teams to design, integrate, and secure cloud operations. You will be a key influencer in development best practices, providing leadership in infrastructure migration and automation to d

Do you have experience with SIEM dashboard creation and MITRE Framework? Do you have Operational experience - use case development and configuration? If so, this would be a great opportunity for you!Our client is looking for a Senior Technology Architect for a 12 month contract in Toronto.This is a hybrid role.Rate: 704.19-737.2Advantages• Earn a competitive rate within the industry.• Location: 3 days onsite / 2 days remote.• Potential for extension.Respon

We are looking for a highly experienced Senior Full Stack Software Developer to support and maintain large-scale, complex legacy applications. This role is focused on the end-to-end lifecycle of mission-critical systems—from impact analysis and technical design to implementation and deployment. You will be responsible for mitigating vulnerabilities, upgrading end-of-life components, and ensuring that changes to the user interface, middleware, and database