Senior System Administrator Location: Pune, Maharashtra, India Onit, Inc. is seeking a Senior Systems Administrator to manage and optimize a diverse global IT cloud infrastructure. The role focuses on Microsoft 365, Entara ID, SSO, Exchange administration, Email Security (Mimecast), and IT governance while contributing to cross-functional initiatives. Key Responsibilities: Microsoft 365 & Exchange Administration: + Manage user accounts, licensing, permissions, and roles across multiple M365 tenants. + Manage Exchange Online mail flow, retention policies, and security measures (Mimecast). + Implement security protocols like MFA, Conditional Access, and threat management. + Migrate and Manage One Drive, SharePoint and MS Teams. + Ensure compliance with regulations (e.g., GDPR) and manage eDiscovery and audit logs. Platform Optimization: + Monitor platform performance and usage, recommend cost-saving optimizations. + Develop governance policies and stay updated on the Microsoft roadmap. Backup, Recovery, and Security: + Configure backup solutions and update disaster recovery plans. + Utilize Mimecast for filtering, encryption, archiving, and continuity. IT Infrastructure Support: + Manage hosting, domain, and Cloudflare. + Collaborate on AWS infrastructure projects. Required Skills: + 8+ years as Global Admin for M365, Entara ID & Exchange administration, including automation and migrations. + Proficiency in PowerShell for scripting and administration. + Expertise in email security (Mimecast), protocols (SMTP, POP3, IMAP) & Security Standards (SPF, DKIM, DMARC) + Experience with Azure AD, IAM, and compliance frameworks (NIST, GDPR, ISO 27001). + Knowledge of CrowdStrike, Cloudflare, and Zero-Trust principles. Preferred Certifications: + MS-102: Microsoft 365 Administrator + Microsoft 365 Certified: Messaging Administrator Associate + SC-300: Microsoft Identity and Access Administrator About Onit: Onit is a global leader in enterprise workflow solutions, transforming business processes in Legal, IT, HR, and Finance with cutting-edge platforms and smarter workflows.   Powered by JazzHR