Senior Security Engineer

Please send your resume at [email protected] if you are interested in this Full time position, If you are not interested, please feel free to pass it in your network for anyone looking for work.

Position title: Senior Security Engineer

Work Type: Hybrid working arrangements with a minimum of 2 days in the office per week

Location: Mississauga

Top 3 Skills / Priorities

1. Security Engineer with focus on IAM – this is the first Identity & Access Management (IAM) – Major priority. The organization is migrating from ADFS to a new platform, involving approximately 11,000 users.
2. 5 to 8 years in a senior security engineering/Lead role.
3. Strong Hands-On Security Engineering & Greenfield Implementation Experience – Must have proven experience designing, building, configuring, integrating, and deploying IAM/security solutions from the ground up. The ideal candidate should be capable of translating requirements into technical solutions, making hands-on implementation decisions, and leading complex IAM migrations. We are looking for a hands-on Senior Security Engineer who builds and implements solutions, rather than someone focused primarily on architecture, administration, or maintaining existing Microsoft environments.

Team / Reporting Structure

• Reports to the Senior Director, Information Security.
• The successful candidate will have a high level of autonomy and ownership in this role.
• In addition to working closely with the Senior Director, the candidate will have direct interaction and visibility with senior leadership, including the CFI and CTO.
• Strong communication and stakeholder management skills are essential, as the individual must be comfortable communicating technical/security matters to senior executives.

Key Responsibilities

• Lead the hands-on design, implementation, and migration of enterprise IAM solutions.
• Support the large-scale migration from ADFS to a modern identity platform.
• Configure and integrate Active Directory, Entra ID, SSO, MFA, Conditional Access, and federation technologies.
• Deliver end-to-end security engineering projects, including greenfield implementations and platform modernization.
• Implement and enhance security controls across Microsoft 365, Azure, cloud, network, and endpoint environments.
• Apply Zero Trust security principles and security engineering best practices.
• Troubleshoot complex security issues and provide technical leadership to engineering teams.
• Collaborate with security, infrastructure, and application teams to deliver secure, scalable solutions.

Required Skills & Qualifications

• Strong hands-on expertise in IAM engineering, ADFS, Active Directory, and Microsoft Entra ID.
• Experience with SAML, OAuth 2.0, OIDC, SSO, MFA, and Privileged Access Management.
• Proven experience with enterprise IAM migrations and greenfield security implementations.
• Strong Microsoft 365 and Azure security engineering experience.
• Knowledge of Zero Trust, network security, endpoint protection, and cloud security.
• Ability to independently handle technical design, configuration, integration, deployment, and troubleshooting.
• Strong technical leadership, communication, and problem-solving skills.
• Degree or diploma in IT, Computer Science, Cybersecurity, or a related field.

Preferred Experience

• Microsoft Defender, Purview, and Entra ID
• Cisco Umbrella / Cisco Secure Access
• CrowdStrike Falcon and Proofpoint
• Security frameworks including NIST and CIS Controls
• CISSP, CISM, CCSP, or relevant Microsoft certifications
• Exposure to AI security and emerging security technologies