Senior Cloud Infrastructure Architect

Pearson Whiffin Recruitment Group; Belfast City District; On-site; GBP 70,000 - 95,000; Full time

Job summary

Pearson Whiffin Recruitment Group seeks an experienced Senior Infrastructure Engineer focused on cloud, platforms and design assurance. You will review HLDs/LLDs, challenge architectures, and guide secure, scalable hybrid infrastructure projects across on‑premise and cloud.

You will work with architects, engineers and third parties to deliver robust solutions. The role emphasizes hands-on engineering with governance, automation and modernisation strategies to align with business and operational

Qualifications

• Strong experience with Microsoft Azure cloud infra, networking and identity.
• Knowledge of Microsoft 365 enterprise services.
• Extensive VMware virtualization (vSphere/vSAN).
• Experience designing hybrid hosting environments.
• Understanding of cloud-native architectures and modernization.
• Familiarity with IaC, automation and DevOps (Terraform, Bicep, PowerShell).
• Exposure to containers, Kubernetes or other cloud-native platform tech.
• Security by design concepts including IAM, vulnerability management and security controls.
• Familiar with Defender, Entra ID and Microsoft Sentinel.
• Knowledge of architecture governance frameworks or design authorities.

Responsibilities

• Review and challenge High-Level Designs (HLDs) and Low-Level Designs (LLDs).
• Provide technical oversight across infrastructure projects and identify risks.
• Support design and evolution of cloud, virtualised and hybrid infra.
• Contribute to infrastructure transformation and modernisation initiatives.
• Act as senior technical authority across core infra technologies.
• Ensure security, resilience, availability and DR considerations are included.
• Collaborate with architects, engineers, security teams and suppliers.
• Identify opportunities to improve performance, reliability, and automation.

Skills

Azure cloud

VMware virtualization

Hybrid hosting

Security by design

IaC automation

DevOps practices

Architecture governance

Design review (HLD/LLD)

Technical leadership

Tools

Terraform

Bicep

PowerShell

Kubernetes

VMware vSphere/vSAN

Defender/Entra ID/Sentinel

Job description

Pearson Whiffin Recruitment Group seeks an experienced Senior Infrastructure Engineer focused on cloud, platforms and design assurance. You will review HLDs/LLDs, challenge architectures, and guide secure, scalable hybrid infrastructure projects across on‑premise and cloud.

You will work with architects, engineers and third parties to deliver robust solutions. The role emphasizes hands-on engineering with governance, automation and modernisation strategies to align with business and operational