• Reviews complex issues (multiple components of Microsoft Defender product suite • collaborate with vendors to understand small to complex issues surround Microsoft Defender suite • Ensures vendors stay informed as to the status/solution of incidents/ events surrounding security.• Utilizes troubleshooting tools (e.g., event logs, performance traces) to help resolve vendor issues.• Resolves vendor escalation issues as needed. Documents technical work and research• Performs in-depth product troubleshooting and remediation when needed.• Collaborates on cross-team and cross-product technical issues by working with resources from other groups as needed to resolve complex customer issues.• Participates in case triage meetings and/or case discussions to share knowledge with other engineers and contribute to more rapid vendor solutions. • Utilizes learnings from triage meetings to identify and communicate readiness needs to manager or readiness team.