Senior Microsoft 365 Platform Engineer in Hoddesdon, United Kingdom

Job Introduction

Position: Senior Microsoft 365 Platform Engineer

Location: Hoddesdon (Onsite 5 days per week)

Pharmaron is a global CRO helping pharma and biotech companies bring new therapies to life. With over 25,000 employees worldwide across 28 locations in the US, UK and China, we support drug discovery through to manufacturing with fully integrated, high-quality services.

We’re proud of the impact we make and just last year, we supported over

780 discovery projects , 1,000+ CMC programmes , and 1,000+ clinical trials across all phases. Our teams are involved in everything from small molecules to biologics and gene therapies, and we work with more than 3,000 global customers . To learn more, visit

We are looking for 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, OneDrive, and device build processes. The successful candidate will be onsite 5 days per week and will play a key role in supporting the IT team with escalated incidents, service requests, endpoint issues, Microsoft 365 administration, documentation, audit evidence, and operational improvements.

This role would suit someone who enjoys being technically hands-on, takes ownership of complex issues, supports colleagues, improves processes, and is comfortable working in a regulated, ITIL/ISO-aligned environment.

Key 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 joiner, leaver, and mover 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.

Candidate Profile

• Bachelor's degree in computer science, information technology, or related field, or equivalent practical experience.
• Minimum of 5 years of experience working in a Microsoft environment, with a focus on Microsoft 365 administration.
• Extensive expertise in Microsoft 365 services, including Intune management, Exchange Online, SharePoint Online, and Teams.
• Proven experience in leading migrations, updates, and optimizations within the Microsoft 365 environment, utilizing PowerShell scripting and automation techniques.
• Strong understanding of modern enterprise architectures, identity and authentication services, and security and compliance principles.
• Demonstrable experience implementing and enforcing Zero Trust principles across cloud collaboration platforms
• Excellent problem-solving skills and the ability to troubleshoot complex technical issues independently and collaboratively.
• Strong communication and interpersonal skills, with the ability to effectively communicate technical concepts to a diverse stakeholder audience.
• Relevant certifications such as Microsoft Certified: Modern Desktop Administrator Associate, Microsoft 365 Certified: Enterprise Administrator Expert, or equivalent certifications are preferred.

Why Pharmaron?

Collaborative Culture: Thrive in our inclusive and collaborative environment, where teamwork and innovation go hand in hand. Here, your voice matters, and your contributions make a real impact. "Employees Number One" and "Clients Centered" are the core cultural values at Pharmaron. Our culture, which sets Pharmaron apart from other organizations, has evolved from our deep commitment to our employees, partners and collaborators.

How to Apply

Ready to seize this incredible opportunity? Join us at Pharmaron and be part of a dynamic team driving innovation and excellence in biopharmaceutical research and development. Apply online today!

Pharmaron is a premier service provider for the life sciences industry. Founded in 2004, Pharmaron has invested in its people and facilities and established a broad spectrum of research, development, and manufacturing service capabilities throughout the entire drug discovery, preclinical, and clinical development process across multiple therapeutic modalities, including small molecules, biologics, and CGT products. With over 25,000 employees and operations in the U.S., the U.K. and China. Pharmaron has an excellent track record in delivering R&D solutions to its partners in North America, Europe, Japan, and China.