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Lead Infrastructure Engineer at Builder.io. Location Information: . About the role. As the Lead Infrastructure Engineer on the Fusion team, you will be a key driver in shaping the future of our production platform: Fusion Cloud. This is a hands-on, high-impact role responsible for the architecture, security, scaling, and operational excellence of our infrastructure platform. You will leverage your deep expertise in cloud services, Kubernetes, and Infrastructure-as-Code to ensure a world-class, scale efficient platform for the future of Builder.io.. Responsibilities. VPC Architecture:. Lead the design and implementation of Virtual Private Cloud (VPC) and hybrid cloud deployment solutions for demanding enterprise customers.. Kubernetes Scaling:. Architect the next generation of our production . Fusion. Cloud. platform, optimizing for speed, flexibility, efficiency, and fault tolerance.. Networking:. Design and manage all cloud networking (VPC, security groups, routing, traffic management), ensuring optimal latency and security for Fusion environments.. Infrastructure-as-Code (IaC):. Standardize and evolve infrastructure using IaC, focusing on consistency, repeatability, and auditability.. Observability:. Drive a comprehensive observability stack (metrics, logs, traces) for production health, performance, and resource tracking across Fusion environments and the core platform.. Tooling:. Develop automation tools and internal platforms that reduce manual operations and accelerate our cloud management processes.. Requirements. Experience:. . 7+ years. of professional experience in an SRE, DevOps, or Infrastructure Engineering role, ideally in a high-growth SaaS environment.. Cloud Expertise:. Deep expertise in a major cloud provider (GCP preferred, but AWS/Azure experts welcome) and extensive hands-on experience with core cloud networking and security services.. SRE/Platform Proficiency:. Expert-level proficiency managing, scaling, and optimizing production environments.. Adaptability & Initiative:. Proven ability to navigate technical ambiguity, proactively defining and solving novel infrastructure problems alongside the engineering team.. Customer Focus:. A relentless curiosity about how our customers use the Fusion Cloud platform to drive continuous improvement in stability, scalability, and user experience.. IaC & Scripting Proficiency:. Expert proficiency with Infrastructure-as-Code (Terraform) and scripting (TypeScript, Python, Go, or Bash).. Bonus. Experience building out infrastructure for VPC deployments.. The items above are a starting point for a conversation, not a hard list of requirements. If this role excites you, we hope you will apply!