Infrastructure Technician




Department: Operations - IT




Employment Type: Permanent




Location: London Cavendish Square




Description



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

• Manage and maintain Nutanix, Windows Server, Citrix and wider infrastructure, ensuring performance, capacity, availability and security.


• Administer Microsoft 365, Entra ID, Active Directory and key business applications.


• Manage and troubleshoot network infrastructure, including LAN, WAN, WLAN and routing.


• Plan and deliver infrastructure upgrades, migrations and modernisation, including migration of servers, virtual machines, storage, file services and applications to Azure.


• Support tenant consolidation, identity integration and hybrid/cloud transformation across multiple entities.


• Assess and document existing on-premises, hybrid and cloud environments, developing appropriate migration strategies.


• Provide Level 3 technical support, troubleshoot complex infrastructure issues and maintain security, compliance and governance standards.


• Work with project stakeholders to manage migration projects, risks and documentation, providing technical handover and knowledge transfer to internal teams.

Skills, Knowledge & Expertise

• Strong hands-on experience with Microsoft Azure, including Virtual Machines, Networking, Storage, Azure Migrate and Entra ID.


• Proven experience delivering infrastructure migration and transformation projects, including migrations from VMware/Hyper-V and existing cloud platforms such as Azure and AWS.


• Strong understanding of networking, VPNs, firewalls, routing, cloud security, backup and disaster recovery.


• Experience with Microsoft 365 tenant migrations, identity management and hybrid environments.


• Strong troubleshooting and problem-solving skills, with the ability to resolve complex infrastructure issues.


• Good understanding of security, resilience, availability and governance within enterprise IT environments.

Desirable Experience

• Experience within professional services or accountancy firms


• Familiarity with accountancy platforms such as: CCH, IRIS, Caseware, Sage 50 accountancy and payroll


• Linux experience


• Veeam


• Powershell (including Powershell for Exchange)


• Experience working in professional services, financial services or accountancy firms

Belong @ Sumer



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