K

Microsoft 365 Engineer

Kryptos Technologies limited · London · Posted 1 month ago

Full-time Cybersecurity

Job Description

Tasks

Senior Microsoft 365 Engineer

Location: London, UK
Contract: 4-Month Fixed Term Contract

Onsite role

Role Summary

We are seeking an experienced Senior Microsoft 365 Engineer to design, implement, administer, and optimize Microsoft 365 services across a large enterprise environment. The role focuses on collaboration, messaging, identity, security, governance, and automation within the Microsoft ecosystem.

Key Responsibilities

  • Design and support Microsoft 365 services including Exchange Online, Teams, SharePoint Online, OneDrive, Power Platform, and Entra ID.
  • Provide Tier 3 support for complex identity, collaboration, and messaging issues.
  • Manage Microsoft 365 tenant administration, licensing, governance, and user lifecycle management.
  • Implement and maintain security, compliance, retention, and information protection solutions.
  • Administer Entra ID, Hybrid Identity, Conditional Access, MFA, and Identity Governance.
  • Manage Exchange Online mail flow, transport rules, messaging security, and hybrid environments.
  • Develop automation using PowerShell and Microsoft Graph API.
  • Monitor platform health, performance, security, and adoption trends.
  • Create technical documentation, operational procedures, and knowledge articles.
  • Collaborate with security, infrastructure, and business teams on enterprise solutions.
  • Mentor junior engineers and contribute to Microsoft 365 roadmap and architecture decisions.

Requirements

Required Skills & Experience

  • 7+ years of infrastructure/platform engineering experience.
  • 5+ years of Microsoft 365 engineering and administration experience.
  • Strong hands-on expertise in:
  • Exchange Online
  • Microsoft Teams
  • SharePoint Online
  • OneDrive for Business
  • Microsoft Entra ID
  • Power Platform
  • Experience with:
  • Hybrid Identity and Active Directory integration
  • Conditional Access and MFA
  • Microsoft Purview, DLP, Sensitivity Labels, Retention & eDiscovery
  • PowerShell scripting and automation
  • Microsoft Graph API
  • Enterprise-scale Microsoft 365 environments
  • Governance, security, and compliance frameworks
  • Git/GitHub

Preferred Skills

  • Microsoft Defender for Office 365
  • Microsoft Defender XDR
  • Microsoft Copilot for Microsoft 365
  • Power Apps, Power Automate, and Power BI administration
  • Multi-tenant/global Microsoft 365 environments

Certifications (Preferred)

  • Microsoft 365 Certified: Enterprise Administrator Expert
  • Microsoft Certified: Identity and Access Administrator Associate
  • Microsoft Certified: Messaging Administrator Associate

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Job Details

Type

Full-time

Location

London

Posted

23 Sep 2026

Views

33

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