Infrastructure Architect

Job summary

The Infrastructure Architect at Halma PLC is a senior technical authority responsible for defining and evolving infrastructure architecture across various platforms including M365, Azure, and Dynamics 365.

Qualifications

• Significant experience in infrastructure, cloud or platform roles, including architectural authority level.
• Deep experience with Microsoft Azure and M365 in enterprise environments.
• Strong understanding of hybrid infrastructure, including on-premises data centres and networking.
• Experience supporting or integrating SaaS platforms such as Dynamics 365 and Power Platform.
• Proven experience defining architecture standards in complex organisations.
• Strong knowledge of identity and access management technologies.
• Experience shaping and assuring infrastructure migrations and modernisation programmes.
• Proven ability to translate complex technical architecture into clear guidance.

Responsibilities

• Act as the design authority for enterprise infrastructure across M365, Azure, Dynamics 365, Power Platform and on-premises environments.
• Define and maintain infrastructure principles, standards, reference designs and target roadmaps.
• Lead M365 tenant strategy and complex migrations, aligned to security, identity, compliance and operating models.
• Define Azure and hybrid architecture patterns aligned to the Azure Well-Architected Framework.
• Oversee on-premises infrastructure architecture, integration, lifecycle management and modernisation.
• Own architecture for business continuity, disaster recovery, backup and resilience.
• Advise operating companies on adopting new technologies and infrastructure solutions.
• Ensure architecture aligns with change control, governance and risk management.
• Maintain architectural documentation, including conceptual, logical and physical diagrams.
• Promote Infrastructure as Code and automation-first principles using Terraform, Bicep or ARM.
• Align infrastructure architecture with DevOps and platform engineering to enable CI/CD.
• Define and govern FinOps practices, including cost optimisation and budgeting.
• Establish cost controls, including tagging and accountability.
• Provide architectural guidance to balance cost, performance, scalability and resilience.
• Define infrastructure architecture for AI/ML workloads and advanced analytics.
• Ensure platforms are AI-ready with scalable compute and secure access.
• Evaluate emerging Microsoft capabilities and define group-wide adoption patterns.
• Promote AIOps to improve incident detection and operational insight.
• Stay current with technology trends and emerging capabilities.

Skills

Certifications

Relocation