Senior Microsoft 365 Systems Engineer - Automation

Randstad Delivery (GBS); Bedford; On-site; GBP 83,000 - 120,000; Part time

Job summary

Randstad Delivery (GBS) in Bedford, UK is seeking a Senior Microsoft 365 Systems Engineer to support, secure, and automate a high‑concurrency global workplace with 150,000+ users. You will join global infrastructure, security, and networking teams to own enterprise messaging, identity governance, security enforcement, and PowerShell automation across the M365 ecosystem.

The role focuses on Exchange Online, Teams, SharePoint, OneDrive, Entra ID, MFA, SSO, PIM, DMARC/SPF/DKIM, and governance with

Qualifications

• 6+ years of hands-on Microsoft 365 systems engineering in large enterprises.
• Deep expertise in Exchange Online, Teams, SharePoint Online, and OneDrive.
• Experience administering Proofpoint and domain protection (DMARC/SPF/DKIM).
• Strong PowerShell scripting for automation and reporting.
• Familiarity with Entra ID, Conditional Access, MFA, and PIM.
• Experience across Windows Server and Linux environments.

Responsibilities

• Administer and optimize Exchange Online, Teams, SharePoint Online, OneDrive, and hybrid Exchange.
• Configure and enforce email security gateways and DMARC/SPF/DKIM protections.
• Design and manage Entra ID with CA, MFA, SSO, and PIM following Zero Trust.
• Develop PowerShell scripts and Graph API solutions to automate tasks.
• Support governance using Microsoft Purview and Defender for Office 365.
• Collaborate with global teams across Windows Server and Linux environments.

Skills

PowerShell scripting

Microsoft Graph API

Exchange Online administration

Entra ID / Azure AD

Security governance

Tools

Proofpoint

Microsoft Purview

Microsoft Defender for Office 365

PowerShell

Microsoft Graph API

Job description

Randstad Delivery (GBS) in Bedford, UK is seeking a Senior Microsoft 365 Systems Engineer to support, secure, and automate a high‑concurrency global workplace with 150,000+ users. You will join global infrastructure, security, and networking teams to own enterprise messaging, identity governance, security enforcement, and PowerShell automation across the M365 ecosystem.

The role focuses on Exchange Online, Teams, SharePoint, OneDrive, Entra ID, MFA, SSO, PIM, DMARC/SPF/DKIM, and governance with