M365/Exchange Engineer

Areti Group | B Corp™; Leeds; On-site; GBP 60,000 - 90,000; Full time

Job summary

Areti Group | B Corp™ is seeking an experienced M365/Exchange Engineer for a major public sector migration programme. The role covers mailbox, archive, OneDrive, and permissions migrations across multiple sites with fortnightly travel.

You'll execute migrations using BitTitan MigrationWiz, manage Exchange Online mailbox migrations and OneDrive data migrations, validate outcomes, and provide hypercare support during cutover.

Qualifications

• Proven hands-on experience with BitTitan MigrationWiz.
• Experience with identity, security groups & permissions migrations.
• Active SC Clearance (essential).

Responsibilities

• Execute migrations using BitTitan MigrationWiz and manage Exchange Online mailbox & archive migrations.
• Migrate OneDrive data and security group permissions.
• Validate migration outcomes and run test cases to ensure success.
• Provide hypercare support through cutover and post-migration support.
• Troubleshoot across Exchange, OneDrive, Teams & SharePoint.

Skills

BitTitan MigrationWiz

Exchange Online migrations

OneDrive migrations

Security group migrations

SC Clearance

Job description

London / Leeds / Newcastle (travel ~fortnightly)

We're recruiting for an experienced M365/Exchange Engineer to join a major public sector migration programme, delivering large-scale mailbox, archive, OneDrive, and permissions migrations.

What you'll be doing:

• Executing migrations using BitTitan MigrationWiz
• Managing Exchange Online mailbox & archive migrations
• Migrating OneDrive data and security group permissions
• Validating migration outcomes and running test cases
• Providing hypercare support through cutover
• Troubleshooting across Exchange, OneDrive, Teams & SharePoint

What we're looking for:

• Proven hands-on experience with BitTitan MigrationWiz
• Experience with identity, security groups & permissions migrations
• Comfortable working in a structured delivery environment
• Active SC Clearance (essential)

This is a hands-on, delivery-focused role for someone who thrives in fast-paced migration programmes and wants to make a real technical impact.