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4 results for Senior Application Security Engineer Offensive Security in Toronto, ON

Senior DevOps Lead

Oakville, ON
onsite
Contract / Temporary
100 - 110 CAD / Hourly
We are looking for a Senior DevOps Lead to support a long-term contract opportunity in Oakville, Ontario within the energy and natural resources sector. This role is suited to a senior technical leader who can shape cloud and DevOps strategy, strengthen secure delivery practices, and guide architecture decisions across complex environments. The successful candidate will work closely with key stakeholders and technical leads while providing mentorship to team members and helping advance scalable, reliable platform operations. This is a 6 month contract role to start, hybrid (2 days in office) for our client in Oakville, Ontario. Responsibilities:• Define and drive the overall DevOps and cloud roadmap, with a strong emphasis on Azure-based solutions and enterprise delivery practices.• Lead the design and continuous improvement of CI/CD pipelines to enable efficient, secure, and dependable software releases.• Embed security considerations into build, deployment, and operational workflows to promote stronger governance across the delivery lifecycle.• Partner with internal stakeholders and existing technical leadership to align platform strategy with business and operational priorities.• Provide high-level architectural guidance for infrastructure, automation, and deployment models in complex cloud environments.• Mentor engineers and cross-functional team members by sharing best practices in DevOps, cloud operations, and modern delivery methods.• Oversee configuration management and deployment standards to improve consistency, traceability, and system stability.• Support large-scale environments by identifying opportunities to optimize performance, resilience, and operational efficiency.
2026-07-20T00:00:00Z

Application Support Engineer

Hamilton, ON
onsite
Permanent
95000 - 119000 CAD / Yearly
We are looking for an Application Support Engineer to support and enhance enterprise business systems for a client in Hamilton, Ontario. This role focuses on maintaining application performance, resolving technical issues, and helping business units make effective use of critical platforms. The successful candidate will contribute technical expertise across application support, configuration, reporting, and integration while working closely with both operational stakeholders and delivery teams. Responsibilities:• Provide ongoing technical support for enterprise applications by investigating incidents, resolving system issues, and maintaining stable day-to-day operations.• Configure, administer, and optimize business applications to meet operational needs across municipal departments and service areas.• Analyze application behaviour, data quality concerns, and system errors to identify root causes and recommend effective solutions.• Translate operational and business needs into clear functional and technical documentation, including support procedures, specifications, and test materials.• Collaborate with Agile delivery teams as a technical contributor, participating in planning, issue resolution, testing, and continuous improvement activities.• Support reporting, troubleshooting, and integration work involving enterprise asset management, ERP, CMMS, and related business systems.• Work with relational databases such as Oracle and Microsoft SQL Server to review data, support reporting needs, and assist with issue diagnosis.• Coordinate application changes in alignment with established incident, problem, and change management practices.• Partner with business and technical teams to support cross-system integrations and ensure reliable information flow between connected platforms.
2026-06-29T00:00:00Z

Infrastructure Engineer

Toronto, ON
onsite
Contract / Temporary
45 - 55 CAD / Hourly
We are looking for an Infrastructure Engineer to support a leading Financial Services organization in Toronto, Ontario. This Long-term Contract opportunity is well suited to a mid-level candidate who brings strong hands-on experience across cloud services, core infrastructure, networking, and operational support. The role combines project delivery with day-to-day administration, requiring someone who can strengthen platform reliability, contribute to technical improvements, and work effectively with both technical teams and business partners. This position follows a hybrid model with 1-2 days per week in the office. Responsibilities: • Oversee the administration, configuration, and ongoing support of cloud and infrastructure environments, including Microsoft 365 platforms, service management tools, and related enterprise systems. • Maintain and enhance network operations across LAN, WAN, firewall, and wireless infrastructure using technologies such as Cisco, Checkpoint, and Aruba. • Lead technical workstreams for infrastructure initiatives by planning implementations, assessing dependencies, and coordinating delivery with project managers, developers, database specialists, vendors, and other stakeholders. • Diagnose complex infrastructure issues, perform root cause analysis, and implement sustainable solutions to improve service stability and performance. • Prepare clear technical documentation for solution design, operational procedures, support activities, and project milestones throughout the delivery lifecycle. • Support governance, controls, and operational best practices by contributing to asset management, incident handling, change processes, and vendor coordination. • Participate in modernization efforts, remediation activities, system upgrades, and platform enhancements that improve resiliency, security, and business alignment. • Monitor infrastructure health, capacity, and alerting across core systems, and help develop recovery-focused approaches including disaster recovery readiness. • Apply security principles and sound engineering practices to infrastructure design, administration, and support activities. • Contribute to both business-as-usual operations and project-based assignments while managing priorities effectively in a fast-paced environment.
2026-07-21T00:00:00Z

Software Engineer (.NET)

Toronto, ON
onsite
Permanent
100000 - 130000 CAD / Yearly
We are looking for a Software Engineer (.NET) to join a collaborative development team in Toronto, Ontario. This role focuses on building and enhancing backend applications, contributing to high-quality software delivery, and working closely with cross-functional partners in an Agile environment. The ideal candidate brings strong programming expertise, a practical approach to problem-solving, and a commitment to delivering reliable, scalable solutions. Responsibilities:• Design, build, and maintain .NET-based software components that support business and technical objectives.• Collaborate with product, QA, and engineering teams to translate requirements into effective application features and backend services.• Investigate defects, resolve technical issues, and improve overall application stability through timely troubleshooting and bug resolution.• Participate in Agile ceremonies, provide development updates, and contribute to iterative planning and delivery activities.• Develop and optimize integrations, APIs, and supporting services to ensure dependable system performance and maintainability.• Contribute to testing strategies, including experimentation and validation approaches such as A/B testing where appropriate.• Use tools such as Jira to track work, manage development tasks, and maintain clear documentation of progress.• Support ongoing enhancements to existing platforms and contribute to technical improvements as systems and processes evolve.
2026-07-09T00:00:00Z