Status: Regular Full Time
Working Conditions: Hybrid
Education Level: 4 -Year University Degree in an appropriate field such as computer science plus 1 year of further concentrated study in cybersecurity programs
Base Location: Oshawa, ON
Shifts(s): Days
Travel: 10%
Deadline to Apply: April 17, 2026.
Salary Range: $1,704.68 - $2,751.93 Per Week
Electrify your career and help build a brighter tomorrow.
Every generation has a challenge that defines them. At OPG, we are calling on all innovators, disruptors, thought leaders and change-makers. Join us to electrify life in one generation and build a sustainable future powered by our electricity, our ideas, and our people. Join OPG and make history.
Whether you work in the skilled trades or are a business professional, a career at OPG is an opportunity to electrify your life on -- and off -- the job.
JOB OVERVIEW
Ontario Power Generation (OPG) is looking for a dynamic, strategic and results-driven professional to join our team in the role of Cyber Security Specialist.
Reporting to the Section Head, Information Systems, this position is responsible to provide leadership and participate as a member of the Cybersecurity team by tracking and investigating security threats and driving remediation strategies, that includes creating reports, authoring playbooks and maintaining compliance to cybersecurity policies. Be required to keep abreast of up-to-date developments and trends in cybersecurity management information systems, networks and computer applications
KEY ACCOUNTABILITIES
- 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.
QUALIFICATIONS
- Bachelor's in Computer Science or related field; advanced 1year cybersecurity studies preferred.
- Active CISSP, CISM, CISA, GIAC, or equivalent credentials from the same organizations.
- 6-8 years of hands-on senior enterprise cybersecurity operations.
- Advanced skills in SIEM platforms and threat detection technologies.
- Strong Azure security knowledge, including Microsoft Defender and posture management.
- Proficiency in Linux administration, PKI architecture, HSM deployment, and backend appliance support.
- Expertise in CyberArk PAM, Zero Trust architecture, and firewall policy optimization.
- Familiarity with MITRE ATT&CK, threat hunting, security automation, and architecture reviews.
Ontario Power Generation
700 University Ave
Toronto
Ontario Canada
www.opg.com
