Microsoft Messaging & Collaboration Lead

We are seeking an experienced Messaging & Collaboration Lead to manage, support, and enhance the organization's messaging, collaboration, device management, and identity management platforms. The ideal candidate will possess strong expertise in Microsoft 365
, Intune
, Okta
, Proofpoint
, SharePoint Online
, and MDM solutions
, ensuring secure, reliable, and efficient end-user collaboration services. The role will also involve driving platform modernization, governance, security compliance, and operational excellence.

• Lead administration and support of Microsoft 365 services including Exchange Online, Teams, One Drive, and SharePoint Online.
• Design, implement, and maintain messaging and collaboration solutions to ensure high availability and performance.
• Manage mail flow, email security, retention, archiving, and compliance policies.

• Manage and support Microsoft Intune and Mobile Device Management (MDM) solutions.
• Configure device compliance, application deployment, conditional access, and endpoint security policies.
• Ensure secure management of corporate and BYOD devices.

• Administer and support Okta Identity and Access Management platform.
• Configure SSO, MFA, lifecycle management, and federation integrations.
• Collaborate with security teams to implement identity governance and access controls.

• Manage and administer Proofpoint solutions for email security, threat protection, and data loss prevention.
• Monitor email security incidents and implement remediation measures.
• Ensure compliance with organizational security policies and industry standards.

• Administer SharePoint Online sites, permissions, governance, and content management.
• Support business users in leveraging Sharepoint for collaboration and document management.
• Implement best practices for site architecture, security, and lifecycle management.

• Develop operational procedures, technical documentation, and knowledge base articles.
• Coordinate with vendors, internal stakeholders, and cross-functional teams.
• Drive continuous improvement initiatives and platform modernization projects.

• Strong hands-on experience with:
• Microsoft 365 (Exchange Online, Teams, One Drive, SharePoint Online)
• Microsoft Intune
• Okta Identity Management
• Proofpoint Email Security
• SharePoint Online
• Mobile Device Management (MDM)
• Experience managing enterprise collaboration and messaging environments.
• Knowledge of Microsoft security and compliance features.

• Azure Active Directory (Microsoft Entra )
• Windows Server Administration
• VMware Infrastructure
• Power Shell scripting and automation.
• Microsoft Security solutions (Defender, Conditional Access, DLP).
• Hybrid Exchange and Active Directory environments.

• Bachelor's degree in Computer Science, Information Technology, or related field.
• Relevant certifications preferred:
• Microsoft 365 Certified:
  Enterprise Administrator Expert
• Microsoft Intune / Endpoint Administrator
• Okta Certified Administrator
• ITIL Foundation

• Leadership and stakeholder management
• Excellent communication and presentation skills
• Customer-focused approach
• Flexible to work in shifts and long hours
• Work from client location minimum 4 days/week

Managing enterprise environments supporting 4000+ users with global messaging, collaboration, and endpoint management services.