🚀 Senior Microsoft 365 Administrator
📍 Hoddesdon, UK | 🏢 Hybrid (onsite & remote) + occasional UK travel
We’re recruiting a Senior Microsoft 365 Administrator to take ownership of the administration, optimisation, and security of a complex Microsoft 365 environment within a highly regulated, global organisation operating to ITIL / ISO standards.
This is a hands‑on, senior technical role with real influence — ideal for someone who enjoys leading initiatives, acting as a technical authority, and mentoring others while driving continuous improvement.
🔹 The Role
You’ll be responsible for the end‑to‑end management of Microsoft 365 services, ensuring stability, performance, security, and alignment with organisational goals. Acting as a subject matter expert, you’ll lead migrations, enhancements, and optimisations, while supporting complex escalations and guiding junior team members.
The role involves a mix of strategic ownership and hands‑on delivery, with collaboration across IT and business teams.
🔹 Key Responsibilities
* Lead administration, management, and optimisation of Microsoft 365 services
* Own and deliver migrations, updates, and platform improvements
* Use PowerShell scripting and automation to drive efficiency and best practice
* Act as SME for complex escalations, troubleshooting and resolving issues
* Develop, document, and maintain processes, procedures, and standards
* Manage patch testing and deployment across end‑user devices
* Monitor and maintain security, compliance, and risk controls
* Mentor and support junior IT team members
* Collaborate cross‑functionally to align M365 initiatives with wider business goals
* Stay current with emerging Microsoft technologies and recommend improvements
* Support Microsoft 365‑related projects from design through delivery
🔹 What We’re Looking For
Essential:
* 8+ years’ experience working in a Microsoft enterprise environment
* Strong hands‑on expertise with Microsoft 365, including:
* Intune
* Exchange Online
* SharePoint Online
* Microsoft Teams
* Proven experience leading M365 migrations and optimisations
* Advanced PowerShell scripting and automation skills
* Strong understanding of identity, security, compliance, and modern architectures
* Excellent problem‑solving and troubleshooting capability
* Confident communicator, able to explain technical concepts clearly
* Experience mentoring or leading other technical team members
Desirable:
* Microsoft certifications (e.g. Enterprise Administrator Expert, Modern Desktop Administrator)
* Experience working in regulated or ISO‑aligned environments
🔹 Why Apply?
* Senior, influential role with real ownership
* Technically complex Microsoft 365 estate
* Collaborative, professional IT environment
* Opportunity to shape standards, processes, and future direction
* Mix of strategic work and hands‑on technical delivery
đź“© Interested?
Apply directly via LinkedIn or reach out for a confidential discussion.
Planet Pharma is an equals opportunities Recruitment Business and Agency. We welcome applications from all suitably qualified candidates regardless of their race, sex, disability, religion/belief, sexual orientation, or age.