Senior Security & Compliance Administrator (IT/OT) – GTA

Mattamy Homes; Toronto; On-site; CAD 85,000 - 130,000; Full time

Benefits offered by this job

Annual bonus program

Job summary

Stelumar Advanced Manufacturing Inc. in Ontario seeks a Senior Security and Compliance Administrator to own the security posture for IT and OT across manufacturing and corporate sites. You’ll lead governance, risk, and compliance initiatives with ownership from day one.

The role covers security controls, incident response, audits with PwC, data protection, ERP/MES security, and security awareness training. A strong background in SIEM, EDR, and Microsoft security tooling is required.

Qualifications

• Bachelor-level or higher in information systems, computer science, cybersecurity or related field.
• 5+ years of hands-on IT security and compliance administration across multiple sites and technologies.
• Proficiency with SIEM and EDR tools (Microsoft Sentinel, Defender).
• Experience with Microsoft 365/Azure security tooling (Conditional Access, Purview, Intune).
• Familiarity with NIST CSF and ITGCs; able to support external audits and evidence requests.

Responsibilities

• Design and implement SAMI's security and compliance program across IT and OT environments.
• Lead incident response end-to-end and manage security controls across hybrid AD/Entra environments.
• Oversee vulnerability management, patching standards, and remediation tracking.
• Audit readiness and coordination with external auditors (PwC) and internal controls.
• Administer security aspects of ERP (Odoo) and MES-connected systems.
• Run security awareness and phishing simulations; vet new SaaS tools and vendors.

Skills

Security leadership

Communication

Documentation

Risk assessment

Audit readiness

Education

College Diploma or University Degree in Information Systems/CS/Cybersecurity

Tools

Microsoft Sentinel

Microsoft Defender

Microsoft 365/Azure security tooling

Purview

Intune compliance policies

Fortinet

Job description

Stelumar Advanced Manufacturing Inc. in Ontario seeks a Senior Security and Compliance Administrator to own the security posture for IT and OT across manufacturing and corporate sites. You’ll lead governance, risk, and compliance initiatives with ownership from day one.

The role covers security controls, incident response, audits with PwC, data protection, ERP/MES security, and security awareness training. A strong background in SIEM, EDR, and Microsoft security tooling is required.