Microsoft 365 & Security Infrastructure Administrator

Five Guys; Greater London; On-site; GBP 70,000 - 100,000; Full time

Benefits offered by this job

Annual bonus

Pension scheme

Enhanced parental leave

Long service rewards

Perks & discounts

Conference invite

Life assurance

Private medical

Wellbeing support

Job summary

Five Guys is seeking a Microsoft 365 & Security Infrastructure Administrator to own and engineer our secure cloud platform. You’ll translate strategy into scalable, automated M365 security controls, EntraID, Intune and governance across Azure, with a focus on zero-trust and policy-driven operations.

You’ll work hands-on in a fast-paced environment, delivering secure by design baselines, automated provisioning, and continuous improvement through metrics, reporting and collaboration with the

Qualifications

• Proven experience with Microsoft 365 security and identity governance.
• Experience implementing zero-trust and security baselines across cloud platforms.
• Strong track record delivering automated, policy-driven infrastructure.

Responsibilities

• Identity, access and segregation management using EntraID and AD.
• Endpoint security and device management through Intune deployments.
• Platform hardening and security baselines for M365 stack and Copilot.
• Azure tenant governance, data residency and IaC (Terraform).
• SharePoint and collaboration governance including external sharing controls.
• Compliance, audit readiness and documentation of technical standards.

Skills

Identity management

Security architecture

EntraID

Intune

Azure governance

Policy-driven automation

Terraform

M365 security

Zero trust

Tools

Terraform

Azure

Copilot

Job description

BURGERS & FRIES AND INCREDIBLE CAREERS!

We’re the burger restaurant with the uncomplicated formula: burgers and fries cooked to perfection, with no frozen ingredients. And we’ve stuck to the same ‘perfect and serve’ philosophy since our family business began in 1986.

These days, we’re still just as much a family as we always have been. We have tons of integrity, we’re enthusiastic. we’re competitive and we just get it done – whatever the challenge.

We’re looking for a Microsoft 365 & Security Infrastructure Administrator who loves building things properly. This role sits at the heart of our cybersecurity strategy, taking a clear security vision and engineering it into a scalable, automated Microsoft cloud platform that’s secure by design. It’s a hands‑on, high‑impact role with real ownership and influence

Reporting To: Head of Cybersecurity (Accountable)
Role Status: Technical Lead (Responsible)
Mission: To translate strategic vision into a scalable, “secure-by-design” technical reality using modern Microsoft cloud principles

YOUR PURPOSE

• Vision to Reality: While the Head of Cybersecurity defines the "Why" and "Vision," this role defines the technical "What" and engineers the "How."
• Scalability First: Move from case-by-case, reactive fixes to a fully automated, policy-driven management-at-scale model.

KEY OUTCOMES FOR SUCCESS:

• Scalable Infrastructure: Transition from ad‑hoc management to a fully automated, policy‑driven environment.
• Proactive Security: Remediating security gaps before they are exploited, with a focus on long‑term stability.
• Metrics‑Driven Operations: Establishing a regular cadence of high‑signal reporting on platform health and risk reduction.
• Zero‑Touch Operations: Fully operational, secure automated provisioning reducing manual intervention.

ESSENTIAL RESPONSIBILITIES:

• Identity, Access & Segregation (EntraID): Optimising structure via Administrative Units and enforcing strict segregation of duties.
• Endpoint Security & Device Management (Intune): Configuring MDM/MAM and automated deployment for all device types.
• Platform Hardening & Security Baselines: Implementing “Secure‑by‑Design” baselines across the M365 stack, including Copilot.
• Azure Tenant & Modern Cloud Governance: Enforcing Data Residency, Zero Trust principles, and Infrastructure as Code (Terraform).
• SharePoint & Collaboration Governance: Technical delivery of site life cycles and external sharing controls.
• Compliance, Audit & Documentation: Maintaining technical standards and “code‑based” evidence for audit readiness.
• Reporting, Analytics & Metrics: Defining and delivering KPIs to measure implementation effectiveness and platform health.

THE IDEAL CANDIDATE:

• Proactive Solution‑Finder: Prioritises long‑term system integrity over short‑term fixes.
• Data‑Driven & Analytical: Defines success through measurable KPIs and clear executive reporting.
• Modern Cloud Mentality: Committed to staying current with Microsoft’s evolving cloud and AI landscape.

OUR REWARDS & BENEFITS

• A generous annual bonus based on business performance
• Pension scheme
• Enhanced Maternity and Paternity leave
• Long service rewards after 5 and 10 years with Five Guys
• Five Guys Perks & discounts
• Invite to our annual General Managers conference – this year we celebrated in Lisbon!
• Life assurance
• Private medical via Vitality
• Wellbeing support