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Senior System Administrator @ Onit

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 Senior System Administrator

Job Description

Senior System Administrator
Location: Pune, Maharashtra, India
Type: Full-TimeOnit, 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 DNS (GoDaddy).
  • 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) and protocols (SMTP, 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
  • MS-220: Troubleshooting Microsoft Exchange Online
  • 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.

Job Classification

Industry: IT Services & Consulting
Functional Area / Department: Engineering - Hardware & Networks
Role Category: IT Network
Role: System Administrator / Engineer
Employement Type: Full time

Contact Details:

Company: Onit
Location(s): Pune

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Keyskills:   SMTP Automation Disaster recovery ISO 27001 DNS Archiving Troubleshooting microsoft Licensing Auditing

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Onit

FLYONIT is a global IT solutions company founded in 2009, headquartered in Australia, with offices in the USA and India. It offers services like web design, mobile apps, cloud computing, IT infrastructure, and business consultancy. The company focuses on delivering cost-effective and customized tech...