Microsoft 365 Migration Solution Architect

Microsoft 365 Migration Solution Architect
Location: Adelaide, SA, Australia
Experience: 10+ years
Role Type: Permanent

Role Purpose

The Microsoft 365 Migration Solution Architect will lead the architecture, design, and delivery of complex Microsoft 365 transformation and migration programs. The role is responsible for defining migration strategy, target-state architecture, coexistence design, migration governance, security and compliance alignment, and execution frameworks across enterprise-scale Microsoft 365 environments.

The architect will work closely with customer stakeholders, project managers, migration engineers, security teams, Microsoft partners, business owners, and service delivery teams to ensure predictable migration outcomes with minimal business disruption and a smooth user transition.

Key Responsibilities Solution Architecture

• Lead end-to-end architecture and design for Microsoft 365 migration and transformation programs.
• Define current-state, transition-state, and target-state architectures covering identity, messaging, collaboration, data, and security services.
• Create migration blueprints, high-level and low-level designs, implementation roadmaps, cutover models, and operational handover documents.
• Conduct discovery workshops, migration readiness assessments, dependency analysis, and risk reviews.

Microsoft 365 Migration Leadership

• Architect enterprise-scale tenant-to-tenant migration solutions across Exchange Online, SharePoint Online, OneDrive for Business, Microsoft Teams, Microsoft 365 Groups, and associated workloads.
• Define workload-specific migration strategies, migration waves, pilot approach, cutover planning, rollback approach, delta migration, and hypercare model.
• Establish migration factory operating models, runbooks, reporting structures, defect triage, governance controls, and quality gates.
• Guide technical teams during migration execution, issue resolution, user validation, go-live, and post-migration stabilization.

Identity, Security and Compliance

• Design Microsoft Entra ID architecture, cross-tenant access, identity coexistence, authentication, federation, and conditional access requirements.
• Define security controls covering MFA, privileged access, RBAC, Microsoft Purview, retention, DLP, eDiscovery, audit, and compliance alignment.
• Identify migration risks related to domains, mail flow, identities, devices, applications, data ownership, permissions, guest access, and collaboration dependencies.

Stakeholder and Governance

• Engage with CIOs, IT leaders, security teams, application owners, and business stakeholders to present solution approach, risks, migration sequence, and business impact.
• Support RFP responses, solution defense sessions, architecture review boards, customer workshops, and executive-level governance meetings.
• Act as the senior technical escalation point for migration blockers, design decisions, and remediation planning.

Required Technical Skills Skill Area Expected Capabilities

Microsoft 365 Workloads Exchange Online, SharePoint Online, OneDrive for Business, Microsoft Teams, Microsoft 365 Groups, Teams administration, SharePoint administration, Microsoft Purview, Defender for M365 awareness.

Identity and Access Microsoft Entra ID, Azure AD Connect, Active Directory, ADFS, cross-tenant access, federation, conditional access, MFA, RBAC, PIM/PAM, identity governance.

Migration Tooling Quest On Demand Migration, BitTitan MigrationWiz, ShareGate, Metalogix, native Microsoft migration capabilities, migration reporting and reconciliation.

Automation PowerShell, Microsoft Graph API, Azure Automation, Logic Apps, workload migration scripts, validation scripts, reporting automation.

Security and Compliance Microsoft Purview, DLP, sensitivity labels, retention policies, audit, eDiscovery, information protection, compliance management.

Architecture and Delivery HLD/LLD creation, migration factory design, cutover planning, coexistence strategy, risk management, governance, technical documentation, stakeholder communication.

Preferred Migration Experience

• Microsoft 365 tenant-to-tenant migration programs involving enterprise users, mailboxes, collaboration sites, file repositories, and Teams workloads.
• Exchange Online migrations, mail flow coexistence, domain cutover, mailbox migration waves, and post-migration validation.
• SharePoint Online and OneDrive migration planning, permissions mapping, content validation, and user adoption readiness.
• Teams migration, channel structure, Teams ownership, guest access, meeting/chat considerations, and collaboration continuity planning.
• Mergers, acquisitions, divestitures, domain consolidation, hybrid-to-cloud transformation, and collaboration platform consolidation programs.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or related discipline.
• 12+ years of IT infrastructure, modern workplace, cloud, or collaboration platform experience.
• 8+ years of Microsoft 365 architecture, migration, or transformation experience.
• Experience leading global migration programs across multiple geographies and stakeholder groups.
• Strong consulting, solutioning, customer-facing communication, and delivery leadership skills.

Preferred Certifications Microsoft

• Microsoft Certified: Cybersecurity Architect Expert; Identity and Access Administrator Associate; Messaging Administrator Associate; Collaboration Communications Systems Engineer; Azure Solutions Architect Expert. Other
• TOGAF; ITIL Foundation / Managing Professional; PMP / PRINCE2.

Key Competencies

• M365 Architecture
• Tenant-to-Tenant Migration
• Entra ID Architecture
• Migration Factory Design
• Exchange Online Migration
• SharePoint / OneDrive Migration
• Teams Migration Strategy
• Security & Compliance
• Risk and Governance

Executive Communication Solution Defense Technical Leadership

Suggested Interview Focus Areas

1.End-to-end approach for designing a Microsoft 365 tenant-to-tenant migration.

2.Coexistence strategy for identity, mail flow, collaboration, domains, devices, and applications.

3.Workload-specific migration planning for Exchange, SharePoint, OneDrive, Teams, and Groups.

4.Risk management, rollback, cutover, migration wave planning, and hypercare governance.

5.Experience with migration tools, automation, reporting, reconciliation, and executive stakeholder management.