M365 Systems Engineer

Mexa Solutions; United Kingdom; Remote; GBP 38,000 - 45,000; Full time

Job summary

Mexa Solutions is seeking a fully remote M365 Systems Engineer to support and develop their Microsoft 365 infrastructure. The ideal candidate will manage core services, lead tenant migrations, and ensure system security. Join a collaborative environment where innovative IT solutions thrive and make a meaningful impact across the organization.

Qualifications

• Experience in 2nd/3rd line support with a focus on Microsoft 365.
• Proficient in managing core Microsoft services including Exchange Online and Teams.
• Hands-on experience with M365 migrations and effective documentation skills.

Responsibilities

• Deliver M365 tenant migrations and manage core Microsoft services.
• Provide expert-level support for escalated M365 issues.
• Document processes and refine workflows for team efficiency.

Skills

M365 migrations

Security management

PowerShell

Proactive problem-solving

Education

Relevant IT certifications or qualifications

Tools

Microsoft 365 suite

Azure AD

Intune

SharePoint

OneDrive

Job description

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Base pay range

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Up to £45,000 | Fully Remote | End-User Environment

You're not just supporting Microsoft 365, you're making it work smarter, faster, and safer.

Whether you're rolling out a new tenant, tightening up security, or making sure user devices are locked down and ready to go, you know your way around the M365 ecosystem. You don’t just patch and react - you prevent, optimise, and improve.

This is your opportunity to join a well-established organisation that’s serious about tech, taking on a fully remote M365 Systems Engineer role focused on supporting and developing their Microsoft 365 infrastructure.

What’s in it for you?

• Salary: Up to £45,000
• Location: Fully remote (with occasional ad hoc travel to London)
• Environment: No service desk chaos here, just meaningful, proactive infrastructure work
• Project Focus: Help deliver migrations, onboard new customers, and shape long-term improvements
• Tech Ownership: Work across the full M365 suite: Entra ID, Intune, Autopilot, SharePoint, Exchange Online, and more
• Impact: Be the go-to for 3rd line M365 issues and a key player in keeping the environment secure, scalable, and future-ready

What you’ll be doing:

• Delivering smooth M365 tenant migrations, from on-prem or cloud-to-cloud
• Managing and securing core Microsoft services: Entra ID, Intune, Exchange Online, SharePoint, Teams, OneDrive
• Supporting ad hoc infrastructure projects while improving the current environment
• Providing expert-level support on escalated 3rd line issues relating to M365 and SaaS platforms
• Monitoring backups, patching endpoints, and managing security across devices and services
• Working closely with internal teams and franchise partners to keep systems aligned, secure, and compliant
• Writing documentation, refining processes, and making life easier for the 1st and 2nd line teams

What you’ll bring to the table:

• Solid background in 2nd/3rd line support with a strong Microsoft 365 focus
• Hands-on experience with M365 migrations, tenant-to-tenant or physical-to-cloud
• Strong working knowledge of Entra ID (Azure AD), Intune, Autopilot, Exchange Online, SharePoint, and OneDrive
• Understanding of SaaS platforms, cloud security best practices, and endpoint management
• Comfortable using PowerShell for admin tasks (bonus points if you're already scripting regularly)
• A proactive mindset - you’re not just fixing problems, you’re looking to prevent them

If you’re looking for a role where you can own the tech, deliver real change, and help shape how M365 is used across a business, this could be the one.

Interested?

Send your CV to [e-mail] and let’s have a confidential chat.

To be considered for this position, you must be eligible to live and work in the UK.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology

• Industries

  IT Services and IT Consulting and IT System Training and Support

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