Infrastructure Engineer

Amersham, England, United Kingdom

6/22/2025

Help grow a safer, cleaner, healthier future for everyone, every day.

Role Overview

Halma has a complex environment consisting of an HQ organisation and 40+ individual companies. The Infrastructure Engineer will be responsible for working in all infrastructure areas across M365, Azure and on-premises infrastructure, helping to implement best practices and new solutions where needed. They will also be responsible for performing end-to-end migration of M365 tenants into a single environment.

This role would be working closely with and reporting into the M365 Technical Lead.

Role Responsibilities

• Responsible for managing the end-to-end tenant migration process, including: performing detailed discovery of source tenant, performing the data migration, ensuring that the target tenant is appropriately configured and that all data and workflows are successfully migrated.
• Responsible for reviewing the Azure infrastructure across the businesses and ensure the well architected framework is being followed in terms of Cost, Reliability, Security, Operational Excellence & Performance.
• Responsible for maintaining and supporting the on-premises infrastructure, along with its integration into other systems.
• Responsible for creating detailed architectural diagrams and documentation.
• Responsible for giving guidance to the companies for new technologies and helping to implement new solutions.
• Responsible for ensuring changes are aligned with change control processes.
• Responsible for delivering on global projects to a high standard.
• Working collaboratively across our head office staff, to ensure uniformity and best practices across head office infrastructure solutions.
• Keeping up to date with new technologies trends and roadmaps, to ensure our infrastructure and solutions are in line with global trends.
  
  

Role Prerequisites

• At least 5 years of experience with M365 & Azure
• Experience in delivering IT infrastructure and solutions in a global environment.
• Experience in M365 products including Exchange, SharePoint, Intune, Entra ID, Security and Compliance.
• Experience in leading the delivery of support to a large international user base.
• Knowledge of Identity Management and Authentication technologies (Azure AD, Azure AD Connect, ADFS, Federation & MFA and Conditional Access).
• Knowledge of Scripting tools such as PowerShell
• Experience and knowledge of migrations tools, such as Quest on Demand, ShareGate and BitTitan.
• A proven track record of successful implementation of several solutions within large client companies.
• Proven ability to translate complex technical issues into simple language that end users can easily understand.
  
  

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