## Senior Analyst – Operations and AssuranceApply: Toronto, Ontario: Full time: Posted Today: R **Location**Brookfield Place - 181 Bay Street**Technology Services**Technology Services (TS) is responsible for delivering all enterprise infrastructure, applications and related end user technology services across all Brookfield business groups.**Brookfield Culture**Brookfield has a unique and dynamic culture. We seek team members who have a long-term focus and whose values align with our Attributes of a Brookfield Leader: Entrepreneurial, Collaborative and Disciplined. Brookfield is committed to the development of our people through challenging work assignments and exposure to diverse businesses.**Job Description**The Senior Security Analyst - Security Operations & Assurance is a senior security generalist responsible for supporting day-to-day security operations and responding flexibly to evolving business and security priorities. The role leads the investigation and resolution of complex security alerts and incidents while providing hands-on administration and support across Zscaler, email security, Microsoft security platforms, identity and access controls, vulnerability management, security awareness, third-party risk, legal hold and eDiscovery, policy implementation, and security technology operations. The Senior Analyst exercises sound judgment, works independently, and moves effectively between operational incidents,



control reviews, stakeholder requests, and security improvement initiatives. Key Responsibilities* Investigate and respond to security alerts from Microsoft Sentinel, Microsoft Defender XDR, endpoint security tools, and other monitoring platforms; gather evidence, reviewlogs, coordinate containment, and document findings through resolution.* Manage security incidents, approvals, and service requests in ServiceNow; maintain queue health, ensure timely triage, resolve complex escalations, and provide transparent stakeholder communication.* Manage the security mailbox independently; investigate user-reported security concerns, coordinate required actions, identify recurring issues, and escalate significant matters.* Administer Zscaler Internet Access, Zscaler Private Access, and Zscaler Client Connector; investigate connectivity, authentication, policy-enforcement, web-access, and application-access issues.* Review Zscaler web, firewall, DNS, and access logs and implement approved changes involving URL filtering, cloud application controls, SSL/TLS inspection, data protection, remote access, and business exceptions.* Administer email-security controls across Microsoft Defender for Office 365, Exchange Online, and Abnormal Security; investigate phishing, spoofing, executive impersonation, malicious links, business email compromise, and

📌 Senior Analyst – Operations And Assurance (Toronto)
🏢 Brookfield
📍 Toronto