Senior System Engineering Specialist in Toronto

Location: Toronto, ON, Hybrid, 3 days on-site in Downtown

Duration: Permanent

Background Check Requirement: Eligibility to apply for Reliability Security Clearance (Requires 5 years of physical presence in Canada).

About the Opportunity

Our client in the financial services and payments space is shaping the future of Canada’s digital economy. From enabling secure, real-time transactions to supporting critical infrastructure that Canadians rely on every day, this organization plays a pivotal role in how money moves across the country.

As a Senior Specialist in Systems Engineering, you will join a collaborative, high-performing technology team that values innovation, reliability, and continuous improvement. You will work closely with Architecture, Platform Engineering, DevSecOps, and Security teams to ensure infrastructure is secure, resilient, and built for scale. Your work will directly support mission-critical systems with high availability standards.

What’s In It for You

You’ll join a culture that encourages curiosity and ownership, where new ideas are welcomed and professional growth is supported. This is an environment that values collaboration, continuous learning, and technical excellence. You’ll gain exposure to modern platform engineering practices, enterprise-scale infrastructure, and cross-functional initiatives that have real national impact. Expect a workplace that celebrates innovation while prioritizing stability and security.

Your Responsibilities

• You’ll collaborate with Architecture and DevSecOps teams to design and maintain secure, robust infrastructure platforms.
• You’ll prepare and execute patching plans, coordinate maintenance windows, and manage approvals and communications.
• You’ll lead OS and middleware upgrades across RHEL, Windows Server, and containerized environments including OpenShift and Kubernetes.
• You’ll oversee database upgrades and maintenance, including PostgreSQL and CockroachDB environments.
• You’ll monitor system health, performance, and capacity, building dashboards and responding to alerts to ensure SLA and SLO adherence.
• You’ll partner with Security teams to review vulnerability scans and drive remediation efforts.

Skills and Qualifications

• 5+ years of progressive System Administrative/Engineering experience, including background in Platform Engineering, SRE, DevOps, or DBA roles.
• Strong hands-on expertise with OpenShift, Kubernetes, RHEL, Windows Server, and enterprise database platforms.
• Experience with CI/CD tools such as Jenkins, GitHub Enterprise, Terraform, and Ansible.
• Solid understanding of networking, TLS, certificate management, and identity integrations such as OIDC or SAML.
• Familiarity with observability tools, backup technologies, and disaster recovery planning.
• Strong analytical thinking, problem-solving skills, and an automation-first mindset.

Note from the Hiring Manager: “We’re looking for someone who thrives in complex environments and takes pride in building stable, secure systems. If you enjoy solving challenging infrastructure problems and collaborating across teams, you’ll feel right at home here.”