Microsoft Messaging & Collaboration Lead

Cognizant; Wembley; On-site; GBP 90,000 - 120,000; Full time

Job summary

Cognizant in the United Kingdom is seeking an experienced Messaging & Collaboration Lead to manage and enhance our enterprise collaboration platforms. You will drive Microsoft 365, Intune, Okta, Proofpoint, SharePoint Online, and MDM solutions across the organization.

Responsibilities include governance, security, platform modernization, and operational excellence while working from client locations and coordinating with security teams and cross-functional stakeholders.

Qualifications

• Extensive hands-on expertise with Microsoft 365 services.
• Experience managing enterprise collaboration environments.
• Strong knowledge of security/compliance features in Microsoft 365.
• Proven ability to lead cross-functional teams.

Responsibilities

• Lead administration and support of Microsoft 365 services including Exchange Online, Teams, OneDrive, and SharePoint Online.
• Design, implement, and maintain messaging and collaboration solutions for high availability.
• Manage mail flow, email security, retention, archiving, and compliance policies.
• Manage and support Microsoft Intune and MDM solutions.
• Configure device compliance, application deployment, conditional access, and endpoint security policies.
• 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 DLP.
• 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.

Skills

Microsoft 365

Intune

Okta

Proofpoint

SharePoint Online

MDM

Email security

Enterprise collaboration

Education

Bachelor's degree in Computer Science or related field

Microsoft 365 Certified: Enterprise Administrator Expert

Microsoft Intune / Endpoint Administrator

Okta Certified Administrator

ITIL Foundation

Tools

PowerShell

Azure Entra ID

Windows Server

VMware

Job description

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.

Key Responsibilities

Messaging & Collaboration

• Lead administration and support of Microsoft 365 services including Exchange Online, Teams, OneDrive, 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.

Endpoint & Mobility Management

• 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.

Identity & Access Management

• 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.

Security & Email Protection

• 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.

SharePoint Administration

• 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.

Operations & Service 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.

Mandatory Skills

Required Skills & Experience

• Strong hands-on experience with:
• Microsoft 365 (Exchange Online, Teams, OneDrive, 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.

Good To Have Skills

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

Qualifications

• 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

Key Competencies

• 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

Preferred Experience:

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