Senior Microsoft 365 Platform Engineer – Onsite

Pharmaron; Hoddesdon; On-site; GBP 65,000 - 85,000; Full time

Job summary

Pharmaron in the United Kingdom is seeking a hands-on Senior Microsoft 365 Platform Engineer who can provide senior 3rd line support across Microsoft 365, Entra ID, Intune, endpoint management, Exchange Online, Teams, SharePoint, and OneDrive. The role is onsite five days per week and involves incident resolution, service requests, and documentation in a regulated ITIL/ISO-aligned environment.

You will lead migrations and optimizations, implement automation with PowerShell, and contribute to

Qualifications

• Bachelor's degree in computer science, information technology, or related field.
• Minimum of 5 years of experience in a Microsoft environment, focusing on Microsoft 365 administration.
• Extensive expertise in Microsoft 365 services, including Intune, Exchange Online, SharePoint Online, and Teams.
• Proven experience leading migrations, updates, and optimizations within the Microsoft 365 environment with PowerShell scripting.
• Strong understanding of identity, security and compliance principles.
• Experience implementing Zero Trust principles across cloud collaboration platforms.
• Excellent problem-solving and communication skills.
• Relevant certifications preferred.

Responsibilities

• Act as the senior 3rd line escalation point for Microsoft 365, Entra ID, Intune, endpoint, identity, access, and collaboration platform issues.
• Administer, manage, troubleshoot, and improve Microsoft 365 services, including Exchange Online, Teams, SharePoint, OneDrive, Microsoft 365 Apps, Entra ID, Intune, endpoint compliance, and device management.
• Troubleshoot Intune and Autopilot issues, including device enrolment, build failures, compliance policies, configuration profiles, application deployment, conditional access, and endpoint readiness.
• Support the IT Service Desk and wider IT team with complex incidents, service requests, user access issues, device issues, and Microsoft 365-related escalations.
• Support joiners, movers, and leaver processes by ensuring accounts, access, licences, devices, groups, and Microsoft 365 services are managed correctly.
• Use PowerShell scripting and automation to support Microsoft 365 administration, reporting, troubleshooting, housekeeping, and operational improvement.
• Support Microsoft 365 security, compliance, access controls, MFA, conditional access, role assignments, endpoint security, and device compliance.

Skills

Microsoft 365 administration

3rd line escalation

PowerShell scripting

Problem solving

Communication

Security & compliance

Zero Trust

Education

Bachelor's degree in computer science / IT or related field

Tools

PowerShell

Job description

Pharmaron in the United Kingdom is seeking a hands-on Senior Microsoft 365 Platform Engineer who can provide senior 3rd line support across Microsoft 365, Entra ID, Intune, endpoint management, Exchange Online, Teams, SharePoint, and OneDrive. The role is onsite five days per week and involves incident resolution, service requests, and documentation in a regulated ITIL/ISO-aligned environment.

You will lead migrations and optimizations, implement automation with PowerShell, and contribute to