EMPLOYER: RMT Accountants & Business Advisors Ltd
In 2023, RMT became part of Sumer Group – a collaboration of renowned regional accountancy practices with a shared vision to champion local small to medium-sized enterprises. RMT Technology delivers innovative IT solutions that keep businesses running smoothly, securely, and efficiently.
By bringing together the best in advisory & business services, Sumer Group retains the value that community-based practices offer and combines this with the scale, breadth of expertise and technologies that only a national organisation can muster. Through our unique approach, we believe we can make a real positive impact and achieve growth for our company, our colleagues and our clients. Together, we are about doing the right things, putting people first and delivering the best possible services to those who sit at the heart of our economy and communities.
RMT Technology is seeking an experienced Microsoft 365 Engineer to join our growing Technical Services team.
The successful candidate will be initially responsible for planning, delivering and supporting Microsoft 365 migration projects for clients across a range of sectors. Working alongside Infrastructure Engineers, Project Managers and customer stakeholders, the role will involve the migration of Microsoft 365 services including Exchange Online, SharePoint Online, OneDrive, Microsoft Teams and Entra ID.
This position combines technical project delivery, customer consultancy and hands‑on implementation, providing an excellent opportunity for an experienced Microsoft 365 professional to work with modern cloud technologies and contribute to business transformation projects.
Key Responsibilities
Microsoft 365 Migration Delivery
- Lead and execute Microsoft 365 migration projects.
- Perform tenant discovery, assessment and readiness activities.
- Support tenant consolidations arising from mergers, acquisitions and organisational restructuring.
- Validate migrated data and user access following project completion.
- Produce migration reports and project documentation.
Identity and Security
- Configure and support Microsoft Entra ID environments.
- Support implementation of Multi-Factor Authentication and Conditional Access policies.
- Review and maintain Microsoft 365 security and compliance controls.
- Assist with retention, eDiscovery and governance requirements where applicable.
Infrastructure and Platform Administration
- Administer Microsoft 365 and Azure environments.
- Troubleshoot mail flow, authentication and migration‑related issues.
- Support DNS changes including MX, SPF, DKIM and DMARC records during migration projects.
- Work with third‑party migration platforms and tools.
- Participate in project scoping workshops and technical discovery sessions.
- Provide technical consultancy and recommendations to clients.
- Communicate project status, risks and remediation plans to stakeholders.
- Produce clear technical documentation and handover materials.
- Deliver a professional and customer‑focused service at all times.
Automation and Continuous Improvement
- Maintain technical knowledge of Microsoft cloud technologies and industry best practices.
- Assist in the development of internal standards, templates and documentation.
Skills, Knowledge & Expertise
Technical Skills
Essential
- Microsoft 365 Administration
- Exchange Online
- SharePoint Online
- Microsoft Teams
- OneDrive for Business
- DNS administration
- Microsoft 365 security and compliance fundamentals
- Windows Server and Active Directory administration
- Strong troubleshooting and problem‑solving skills
- Customer‑facing technical consultancy experience
- Quest On Demand Migration
- Microsoft Migration Manager
- Microsoft Purview
- Experience supporting mergers and acquisitions projects
- Knowledge of project management methodologies
Experience Required
- Minimum three years’ experience administering Microsoft 365 environments.
- Experience producing technical documentation and customer‑facing reports.
- Microsoft 365 Administrator experience equivalent to MS-102 level.
- Full UK Driving Licence.
- Managed Service Provider (MSP) experience.
- Experience working within professional services or consultancy environments.
- Experience of multi‑site or enterprise‑scale Microsoft 365 deployments.
- Microsoft Certified: Microsoft 365 Administrator Expert (MS-102)
- Microsoft Certified: Identity and Access Administrator (SC‑300)
- ITIL Foundation
- Prince2 Foundation
Belong @ Sumer
At Sumer, we know everyone’s journey is different. That’s why we’re committed to fairness, removing barriers and giving people the support they need to do their best work. If you need any support during the hiring process, just let us know.
Our values represent what matters most to us and guide how we work every day:
- We Shine Together
- We Do the Right Thing
- We Make It Count
We know diverse teams make us stronger. That’s why we’re creating an inclusive workplace where everyone belongs, and differences are valued and celebrated.
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