Algotale Group · 1 day ago
Algotale - HIC Global (M365 Specialist)
United States
Full-time
Remote
Senior Level
6+ years expAlgotale Group is a data-centric IT services and consulting company founded in 2020. They are seeking a Senior M365 Specialist to execute tenant-to-tenant migrations across Microsoft 365 workloads, ensuring secure and compliant migration outcomes while collaborating with various teams to align execution with enterprise governance.
Human Resources
Responsibilities
Discovery, Readiness, and Design Support Perform discovery and inventory of mailboxes, archives, shared resources, distribution/M365 groups, OneDrive accounts, SharePoint sites, Teams, and related apps
Contribute to workload-level migration designs (coexistence strategy, pilot criteria, wave planning, success metrics, rollback)
Support identity and domain readiness: UPN/SMTP alignment, vanity domain transfer sequencing, directory objects mapping, group and permission modelling
Define verification methods and test plans for mailbox health, site integrity, Teams functionality, membership/permissions, links, and policy replication
Workload Execution (Tenant-to-Tenant) Exchange Online: Execute mailbox and archive migrations; handle shared/resource mailboxes, delegates, calendars, and permissions
Coordinate mail flow changes, connectors, accepted domains, and DNS (MX, SPF, DKIM, DMARC) to ensure delivery and maintain email hygiene
OneDrive for Business and SharePoint Online: Migrate user and site content, metadata, and permissions; reconcile sharing links and external access; validate site structures and policies
Align hub/site associations, site quotas, and governance settings post-migration
Microsoft Teams and M365 Groups: Migrate teams, channels, tabs, files, and memberships; coordinate the reconfiguration of apps/bots/connectors. Validate chats, meetings, and policies as applicable; ensure M365 Group membership and resources are up to date and intact
Cross-workload dependencies: Identify and address integrations (Power Platform, Planner, Stream storage locations, and eDiscovery cases), and document any exceptions/remediations. Security, Compliance, and Governance Alignment Apply Conditional Access/MFA prerequisites and ensure least privilege in admin execution
Carry forward or re-establish DLP, retention, sensitivity labels, and eDiscovery/legal hold alignment; capture variances and approvals
Maintain audit-ready evidence: configuration mappings, change records, migration logs, validation results, and sign-offs. Cutover, Coexistence, and Stabilization Execute pilots and scale to migration waves with well-defined runbooks, entry/exit criteria, and command-center procedures
Coordinate coexistence (calendar sharing, mail routing, link redirection) and domain cutovers to minimize downtime and user impact. Perform post-migration validation for data integrity, permissions, authentication, mail flow, search, Teams calling/meetings, and service health
Drive hypercare, defect triage, and remediation; transition to steady-state operations with knowledge transfer
Automation, Tooling, and Reporting Build and enhance automation for repeatable tasks using PowerShell and Microsoft Graph; leverage approved migration and reporting APIs
Standardize scripts, templates, and validation routines; integrate into version-controlled pipelines for auditable execution
Produce dashboards and reports to track progress, throughput, errors, and success criteria; communicate status, risks, and mitigation strategies
Stakeholder Coordination and Communication Coordinate schedules and dependencies with architects, identity engineers, security/compliance, application owners
Qualification
Required
6-8 years of experience in Microsoft 365 tenant-to-tenant migration
Experience with Exchange Online
Experience with OneDrive for Business
Experience with SharePoint Online
Experience with Microsoft Teams
Knowledge of identity and domain readiness
Experience with DNS configuration
Proficiency in PowerShell scripting
Preferred
Microsoft Certification (Azure cloud)
Knowledge of security and compliance (Conditional Access, MFA, DLP, retention policies)
Experience with Microsoft Graph API
Experience in automation
Experience with governance documentation
Experience in stakeholder coordination
Company
Algotale Group
Algotale is a premier IT staffing and software solutions provider, delivering top-tier talent and custom-built technology to drive business success.
201-500 employees
Funding
Current Stage
Growth StageCompany data provided by crunchbase