Siena Partnership
Senior Infrastructure Architect
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(Contract) - Senior Infrastructure Architect - Private Equity-Backed Scale-Up
We are looking for a Senior Infrastructure Architect to join a fast-growing, PE-backed business undergoing significant technology transformation.
This is a hands-on architecture role for someone who can design the target environment but is equally comfortable getting into Azure, building infrastructure, and troubleshooting complex issues.
Key Responsibilities
- Design, build, and evolve the Azure infrastructure environment.
- Own Azure networking across VNets, peering, Private Endpoints, Private DNS, NSGs, routing, and Azure Firewall.
- Build and maintain infrastructure through Infrastructure as Code, ideally Terraform.
- Troubleshoot infrastructure, networking, and cloud performance issues.
- Establish scalable, secure, and resilient infrastructure patterns as the business grows.
- Work closely with engineering, security, and application teams to move from architecture into delivery.
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What We're Looking For
- Strong, hands-on Microsoft Azure experience.
- Deep understanding of Azure networking and cloud infrastructure.
- Strong Terraform / Infrastructure as Code capability.
- Comfortable operating in a fast-paced, transformation-led environment.
- Pragmatic and delivery-focused — an architect who builds, not just produces architecture artefacts.
- Experience in a PE-backed, scale-up, or high-growth environment would be advantageous.
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