Platform Architect

Location: Hybrid (2 days onsite - Leeds)Salary: Up to £75,000 + Benefits Type: Permanent

An established enterprise organisation is looking for a Platform Architect to take ownership of several core infrastructure platforms across the business.

This role sits between architecture and engineering, making it ideal for a senior infrastructure professional looking to move into a more strategic position while remaining close to technology.

You'll be responsible for the technical direction, improvement, and ongoing development of key platforms including Microsoft 365, Virtualisation, Networking, and Cloud services.

Working closely with infrastructure teams, security, and business stakeholders, you'll help shape future technology decisions, support ongoing projects, and ensure platforms remain secure, stable, and fit for purpose.

• Own the technical roadmap for core infrastructure platforms.
• Provide architectural guidance across cloud, networking, virtualisation, and Microsoft 365 environments.
• Produce high and low-level designs for infrastructure projects.
• Work with technical teams to ensure solutions are delivered in line with best practice.
• Identify opportunities for platform improvement and modernisation.
• Support cloud migration and infrastructure transformation initiatives.
• Ensure infrastructure platforms remain secure, resilient, and scalable.
• Act as a technical escalation point for complex platform-related issues.
• Collaborate with vendors and third-party suppliers where required.

• Microsoft Azure
• Hybrid Infrastructure
• Entra ID

• Exchange Online
• Teams
• SharePoint Online
• Intune
• Microsoft 365 Administration

• VMware vSphere
• Hyper-V

• Cisco Switching & Routing
• Firewalls
• LAN/WAN
• Wireless Networking

• PowerShell
• Infrastructure Automation (desirable)

• Previous experience in a Platform Architect, Infrastructure Architect, Technical Design Authority, or Senior Infrastructure Engineer role.
• Strong understanding of enterprise infrastructure environments.
• Experience across Microsoft 365, cloud technologies, virtualisation, and networking.
• Ability to create technical designs and documentation.
• Experience working with multiple stakeholders across IT teams.
• Strong troubleshooting and problem-solving skills.

• Azure certifications.
• VMware certifications.
• Experience with infrastructure automation.
• Experience supporting large multi-site environments.

• Salary up to £75,000
• Hybrid working
• Generous holiday allowance
• Pension scheme
• Training and certification support
• Employee wellbeing programme
• Career progression opportunities

Oscar Associates (UK) Limited is acting as an Employment Agency in relation to this vacancy.

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