Sr Cloud Security Engineer

SiteOne Landscape Supply is the largest national distributor of landscaping products across the United States and Canada. The Cloud Security Engineer will be responsible for securing SiteOne’s hybrid cloud and on-premises environments, focusing on identity, access control, and modern cloud security practices.

Responsibilities:

• Secure hybrid cloud infrastructure using Zero Trust and least‑privilege principles
• Serve as SME for Okta, Microsoft 365, SharePoint, CASB, AWS, Prisma/Cortex Cloud, and DLP
• Ability to create automation and find areas of improvement
• Design and deploy scalable security solutions
• Partner with cross‑functional teams to resolve security challenges
• Lead escalated security incidents and investigations often times being the last point of escalation
• Lead access issue resolution and/or troubleshooting with other teams and/or business owners
• Secure AI and agentic systems using defense‑in‑depth strategies

Requirements:

• 5 - 7+ years senior level experience implementation and management of cloud platforms
• Must have strong expertise with Okta, Azure and Microsoft 365 required
• Deep understanding of identity, Access, & Device Trust (Okta: Okta Identity Engine (OIE), Okta Classic, SSO (Single Sign-On), MFA (Multi-Factor Authentication), Lifecycle Management (OIM/OIG), SAML, OIDC, OAuth, API Access Management.)
• DLP (Data Loss Prevention): Information protection, data classification, Endpoint DLP, Network DLP, Cloud DLP, insider threat management
• Ability to communicate security concepts to technical and non‑technical audiences
• Familiarity with NIST, ISO 27001, COBIT, or ITIL
• Knowledge of SOX, PCI, and data privacy standards
• Understanding of modern attack techniques including AI‑related threats
• Preferred bachelor's degree in computer science, Cybersecurity, Information Technology, or equivalent practical experience
• Certifications for example CISSP, CCSP, or CompTIA Security X