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Full job description
Description
Sumer is a values-led, purpose-driven professional services group on an ambitious growth journey. Built through acquisition, Sumer brings together high-quality regional firms under a collaborative and entrepreneurial model. As the Group continues to scale, we are establishing a permanent procurement function to support commercial performance, supplier governance and operational consistency across the business.
We are seeking an experienced IT Infrastructure Analyst to support a major transformation programme, consolidating multiple accountancy firms into a centralised Microsoft Azure environment.
This role will play a key part in migrating diverse legacy infrastructures (including on-premises and existing cloud estates) into a unified, secure, and scalable Azure platform. The contractor will work closely with internal IT teams, third-party vendors, and business stakeholders to ensure smooth and efficient transitions.
Key Responsibilities
- Support the migration of infrastructure, systems, and services into Azure
- Assess and document existing environments (on-prem, hybrid, and cloud-based)
- Design and implement migration strategies (lift-and-shift, replatforming, or modernisation)
- Ensure security, compliance, and governance standards are maintained throughout
- Troubleshoot and resolve migration-related issues
- Collaborate with project managers to track progress and manage risks
- Produce clear technical documentation and handover materials
- Provide knowledge transfer to internal teams post-migration
Execute migrations of:
- Servers and virtual machines
- Active Directory / Azure AD (Entra ID)
- File services and storage
Line-of-business applications
Support tenant consolidation and identity integration across multiple entities
Skills, Knowledge & Expertise
Strong hands-on experience with Microsoft Azure, including:
- Azure Virtual Machines, Networking, Storage
- Azure Migrate and related tooling
- Azure AD / Entra ID, identity management, and hybrid identity
- Proven experience delivering infrastructure migration or transformation projects
Experience migrating from:
- On-premises environments (VMware / Hyper-V)
- Existing cloud platforms (Azure / AWS)
Solid understanding of:
- Networking (VPNs, firewalls, routing)
- Security best practices in cloud environments
- Backup and disaster recovery solutions
- Experience with Microsoft 365 tenant migrations
- Strong troubleshooting and problem-solving skills
- Experience within professional services or accountancy firms
- Familiarity with accountancy platforms such as CCH & IRIS
- Azure Landing Zones
- Infrastructure as Code (e.g. ARM, Bicep, Terraform)
- Endpoint management (Intune)
- Data migration tools and strategies
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.
About Sumer
Sumer is a fast-growing professional services firm dedicated to championing small and medium businesses and helping communities prosper across the UK and Ireland.
Operating within a buy and build “Hub and Spoke” business model, we combine the indispensable value of leading regional practices with the tech, scale, and breadth of expertise of a national organisation.
We call this ‘The Power of Collaboration’ – an approach that delivers growth for our entire organization and all the businesses we serve.
By joining Sumer, you become part of a dynamic team committed to innovation, excellence, and the success of the businesses we support.