We are looking for a Senior Cyber Security Specialist to strengthen and advance our security operations in North York, Ontario. In this role, you will help protect enterprise systems, cloud platforms, and end-user environments by identifying risks, responding to threats, and driving practical security improvements. You will work across infrastructure, identity, endpoint, and network security while supporting compliance efforts and promoting a strong security culture throughout the organization.
This role is hybrid 2 days onsite in North York!
Responsibilities:
- Monitor, investigate, and respond to security events across cloud, network, endpoint, and identity environments using SIEM and threat detection tools.
- Conduct vulnerability assessments, interpret findings, and partner with technical teams to prioritize and track remediation activities.
- Administer and enhance security controls within Microsoft technologies, including Defender, Sentinel, Intune, Entra, Microsoft 365, and Azure.
- Strengthen firewall and perimeter protections by configuring, reviewing, and troubleshooting platforms such as Check Point and Cisco security technologies.
- Support incident response efforts by analyzing suspicious activity, containing threats, documenting outcomes, and recommending preventive measures.
- Contribute to governance, risk, and compliance initiatives by helping align security practices with recognized frameworks and internal requirements.
- Promote security awareness by assisting with education programs, guidance materials, and practical recommendations for reducing user-related risk.
- Assess and improve security architecture with a focus on Zero Trust principles, network segmentation, identity protection, and endpoint resilience.
• Minimum of 5 years of experience in cybersecurity operations, threat detection, incident response, or related security functions.
• Strong hands-on expertise with Windows environments, Active Directory, Entra ID, Microsoft 365, and Microsoft Azure.
• Demonstrated experience working with firewalls, endpoint protection platforms, vulnerability management tools, and SIEM solutions.
• Solid understanding of cyber threats, common attack methods, and industry security frameworks such as NIST.
• Strong knowledge of operating systems, networking concepts, and web protocols, including TCP/IP and HTTP.
• Ability to troubleshoot security issues across cloud, network, and endpoint environments in a structured and effective manner.
• Bachelor’s degree in Computer Science, Information Systems, or a related discipline is preferred.
• Certifications such as Security+, CISSP, CISM, CEH, or Azure security credentials would be considered an asset.
