Microsoft 365 Engineer – Migration & Modern Workplace Delivery

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🕒 March 18

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CyberOne

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2005

🔒 Cybersecurity

🤝 B2B

Cybersecurity • B2B

CyberOne is a UK-based cybersecurity services company that provides 24x7 managed detection and response, incident response, Microsoft security integrations, penetration testing, cloud security, and professional consulting to help organisations build measurable cyber resilience. They deliver AI-augmented MXDR and other managed security services powered by Microsoft technologies, focusing on rapid detection, containment, compliance and continuous risk reduction for enterprise and regulated sectors.

📋 Description

• As a Microsoft 365 Engineer within the Infrastructure Team, reporting to the Head of Infrastructure, you will be responsible for the delivery of Microsoft 365 transformation and migration projects • Deliver migrations from Exchange on-premises to Exchange Online • Mailbox discovery, assessment, schema mapping and cutover/hybrid migration execution • DNS/domain configuration, authentication & mail flow validation • Remediation and coexistence troubleshooting (autodiscover, transport, EOP etc.) • Migrate file servers, NAS storage and legacy SharePoint on-prem to SharePoint Online • Design, build & configure SharePoint Online site structures, permissions & governance • Implement OneDrive for Business including sync, rollout, configuration & adoption • Implement Microsoft Teams including governance, lifecycle management & policies • Migration of file and chat data (where applicable) • Implement Information Protection sensitivity labels and policies • Configure Purview Data Loss Prevention (DLP) rules and monitoring • Enable auditing, retention, compliance, insider risk policies and reporting

🎯 Requirements

• Hands-on experience executing end-to-end M365 migrations (Exchange, SharePoint, Teams, OneDrive) • Strong understanding of modern Microsoft identity, security and governance standards • Comfort working directly with customers and stakeholders to gather requirements & deliver outcomes • Ability to troubleshoot complex issues across hybrid authentication & cloud collaboration stacks • Clear communication skills — both written and verbal — for documentation and customer presentations • “Ownership mentality” — accountable, reliable, and focused on delivering a great customer experience • Required Certifications (or equivalent experience) ✔ MS-900 — Microsoft 365 Fundamentals ✔ MS-102 — Microsoft 365 Administrator Associate • Preferred / Desirable Certifications ⭐ MS-700 — Teams Administrator Associate ⭐ SC-400 — Information Protection Admin Associate (Purview) ⭐ SC-300 — Identity & Access Administrator ⭐ AZ-104 or AZ-800/AZ-801 beneficial for hybrid integration experience

🏖️ Benefits

• Flexible working hours & remote-first culture • Birthday off, long-service awards • Bi-annual performance awards and team off-sites • Structured training, technical exposure, and career pathing