Cyber Security Specialist
Ontario Power GenerationOshawa, Ontario, Canada
Posted April 2, 2026
85234 - 137596.5 CAD
Full Time
About the Company
OPG is one of the most diverse power producers in North America, meeting approximately 50% of the province’s electricity needs, largely from low-carbon sources like nuclear and hydro.
Job Description
Electrify your career and help build a brighter tomorrow. Join OPG as a Cyber Security Specialist to provide leadership and participate as a member of the Cybersecurity team by tracking and investigating security threats and driving remediation strategies.
Requirements
- Manage end-to-end incident response, including alert triage, investigation, containment, and remediation.
- Continuously track global threat trends, ransomware, and APTs relevant to the sector.
- Conduct vulnerability scans, penetration tests, and tabletop exercises to validate readiness.
- Operate and optimize enterprise SIEM for real-time detection, correlation, and automated response.
- Develop custom rules, playbooks, and queries aligned with MITRE ATT&CK for proactive threat hunting.
- Implement and maintain cloud security controls, endpoint protection, and Zero Trust principles.
- Configure privileged access management, enforce segmentation, and secure application access.
- Perform traffic analysis, firewall audits, and enforce CASB/DLP for SaaS and sensitive data.
