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Sarnab Das

Sarnab Das

M365 Administrator

Talent
PuneMember since April 9, 2026
Microsoft DefenderMicrosoft SentinelMicrosoft PurviewMimecast Email SecuritySophos EPS XDRMicrosoft Azure SecurityM365 AdministrationExternal Attack Surface Management (EASM)Security Monitoring & Incident ResponseAccess Management & AuthenticationRisk Assessment & MitigationVendor & Stakeholder ManagementNIST / NIS2WazuhSplunkService NowSalesforceDynamics 365Security DocumentationCyber Security Strategy ImplementationHybrid IT EnvironmentsThreat Detection & Analysis
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Microsoft DefenderMicrosoft SentinelMicrosoft PurviewMimecast Email SecuritySophos EPS XDR

About

Security Administrator with expertise in Microsoft 365 administration, Exchange security, and enterprise email protection. Hands-on experience managing Mimecast email security and Sophos EPS XDR to detect, investigate, and respond to security threats. Skilled in maintaining security configurations, supporting incident response, and ensuring secure day-to-day operations.

Hands-on experience in security operations, incident handling, stakeholder coordination, improving overall security posture and resilience. Security with 2+ years of experience in implementing and managing security solutions across hybrid and cloud environments, primarily within Microsoft security ecosystems for 4+ German based clients.

Experience

Security Administrator / SOC Analyst at Multiple German-based clients (Present)

Security Administrator with expertise in Microsoft 365 administration, Exchange security, and enterprise email protection. Managing hybrid and cloud security architectures with focus on Microsoft security ecosystems.

  • Administer and manage Sophos EPP/XDR across three sub-estates (tenants), overseeing end-to-end policy configuration, threat detection, and security posture optimization
  • Manage and administer Microsoft 365 and Azure tenants, including identity and access management, MFA enforcement, and security policy configuration
  • Manage email security using Mimecast for enterprise email protection
  • Support endpoint protection with Sophos EPS XDR for threat detection and response
  • Assist in security monitoring and incident response activities
  • Coordinate and manage external SOC providers, acting as the first escalation point for security incidents
  • Execute cyber security projects in coordination with internal stakeholders and external vendors
  • Implement technical security controls to enhance organizational security posture and reduce risk exposure
  • Maintain security documentation using Service Now, Salesforce, Dynamics 365 and SD+

Education

Diploma in Computer Science Engineering

Bachelor in Computer Application (2024 – 2027)

Skills

M365 Administrator

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