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OnX

Verified Job Source

OnX designs, builds & operates technology foundations that power growth and innovation through AI, Data, Cloud, Security

Toronto, ON

IT Services and IT Consulting
201–500 people

About

OnX helps organizations modernize, secure, and optimize their technology environments to support long-term business success. With expertise spanning Cloud, Infrastructure, Networking, Security, Digital Workplace, Data, and Managed Services, we help clients navigate complexity, accelerate transformation, and operate with confidence. From strategy and architecture through deployment and ongoing operations, we deliver technology outcomes that matter. Our approach combines deep technical expertise, trusted partnerships, and operational excellence to help organizations build resilient technology foundations that support growth, innovation, and change.

Open positions

Cyber Security Analyst

Remote · Canada

Monitor, investigate, and respond to security alerts and incidents, including containment, root cause analysis, and escalation. Improve JSOC operations through detection tuning, threat hunting, tool administration, playbook development, documentation, and reporting.

Senior Network Engineer

Hybrid · Toronto

Lead the design, implementation, automation, security, and operational support of enterprise, data center, campus, and cloud/hybrid networks, including ZTNA platforms and network security controls. Monitor and improve network performance and resilience, lead production change and incident processes, support disaster recovery and on-call operations, manage vendors, and mentor team members.

Sr. Engineer System administrator

On-site · Toronto

Administer, maintain, secure, and optimize enterprise Windows and Linux server environments, including operating system lifecycle management, monitoring, troubleshooting, and cloud infrastructure support across AWS and Azure. Improve infrastructure resilience and efficiency through automation, capacity planning, documentation, cross-team collaboration, and technical guidance for junior team members.

Sr. Engineer System administrator

On-site · Toronto

Administer, maintain, secure, and optimize enterprise Windows and Linux server environments, including operating system lifecycle management, monitoring, troubleshooting, and cloud infrastructure support across AWS and Azure. Improve infrastructure resilience and efficiency through automation, capacity planning, documentation, cross-team collaboration, and mentoring junior team members.