Exchange Online Migration & Mobility Lead 100%

Title: Exchange Online Migration & Mobility Lead

Seniority: Senior

Location: Zurich (on-site) with nearshore/offshore support

Purpose:

Leads the migration of mailboxes from on-premises Exchange (hybrid-prepared) to Exchange Online and the replacement of BlackBerry Work/Access with a modern mobile experience.

Key responsibilities:

• Design and execute the mailbox migration approach: wave planning, pilot, cutover, rollback, coexistence and hypercare
• Plan for mail-flow, calendar free/busy, public folders, shared mailboxes, archives and larger mailbox sizes
• Design BYOD mobile access (Outlook mobile with Intune MAM) to replace BlackBerry Work and Access, incl. Intranet access
• Coordinate with the Endpoint and Security engineers on the new Outlook client and add-in compatibility
• Manage migration tooling, automation, reporting and wave readiness checks
• Supervise nearshore/offshore migration engineers and ensure quality

Required experience & skills

• 7+ years in messaging engineering, with 3+ Exchange hybrid-to-online migrations of 5,000+ mailboxes
• Deep PowerShell and automation skills
• Experience with mobile mail modernisation (BlackBerry or similar to Outlook mobile / Intune)
• Experience of regulated environments, including journaling, retention and compliance archiving
• Strong planning and runbook discipline

Nice to have:

• MS-102 or equivalent
• Experience with third-party migration tools
• Familiarity with multi-region tenant/data-residency considerations

AARK Tech Solutions GmbH

Seestrasse 11

8805 Richterswil