Our client is a leading Cyber Security Managed Service Provider. The organization is growing and continues to seek experienced Cyber Security Professionals across Brazil. This role is expected to be 6 to 12 month Contract (Corp to Corp) with high possibility of extension and 100% remote within Brazil. The salary is 22,000BRL/Month (PJ Classification).Focus: Alert investigation, threat detection, and incident containment or escalation.Role Description: As a Sr. SOC Analyst, you monitor and enhance security operations for external clients. Leveraging MS Sentinel and Microsoft Copilot, you handle SOC tasks to ensure the security posture of client environments.Years of Experience: Minimum of 4 years in a SOC or cybersecurity role.Responsibilities: Alert Monitoring and Triage: Monitor, analyze, and correlate security alerts and events using MS Sentinel, Microsoft Windows Defender tools, CrowdStrike Falcon, and other security tools.Perform analysis, categorization, and remediation of incidents.Escalate incidents to the Cyber Investigation, Incident Response and Digital Forensics team.Provide in-depth guidance and support to clients on Microsoft Windows Defender products.Investigate suspicious activities and anomalies.Fine-tune and enhance detection rules in MS security controls, CrowdStrike Falcon, and other security tools.Custom Detection and Response Setup:Help clients develop and implement custom detection rules and alerts.Configure automation and response playbooks to streamline incident management.Provide best practices for threat detection in alignment with the MITRE ATT&AK knowledge base.Collaboration with SOC, Technical Account Managers: Work with TAMs and clients to improve threat detection capabilities.Provide expert advice on enhancing infrastructure security posture.Automation and Efficiency: Utilize Microsoft Copilot to streamline repetitive tasks.Certifications: Microsoft Certified: Security Operations Analyst AssociateMicrosoft Certified: Azure Security Engineer AssociateAbility to work in a rotational shiftExcellent English (verbal and written) communication skills