Senior Infrastructure Engineer Core Systems

<p style="min-height:1.5em">Quicknode is a cloud-based infrastructure company that powers the blockchain ecosystem.</p><p style="min-height:1.5em">Our mission is to be the indispensable utility that empowers companies and innovators globally to build next-generation, Web3 enabled businesses &amp; applications using blockchain technology. Quicknode is backed by some of the world's best investors including Tiger Global, Y Combinator, SoftBank, and the Seven Seven Six Fund. The Quicknode team has over 120 people maintaining high performance global data infrastructure for amazing customers serving billions of requests daily.</p><p style="min-height:1.5em">We are a global remote company with an HQ in Miami, Florida.</p><h2><strong>The Role</strong></h2><p style="min-height:1.5em">As a Senior Infrastructure Engineer at QuickNode, you’ll play a pivotal role in architecting, developing, and implementing our next-generation infrastructure platforms across both private and public clouds. This role focuses on building robust, scalable systems that go beyond traditional cloud deployments—developing hybrid environments that integrate bare-metal, virtualization, and orchestration technologies. You’ll drive automation, standardization, and operational excellence across QuickNode’s infrastructure ecosystem, ensuring performance, reliability, and scalability as we expand our Web3 infrastructure footprint globally.</p><p style="min-height:1.5em"></p><h2><strong>What You’ll Do</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Research, architect, and deploy complex infrastructure systems across bare-metal servers, hypervisors, orchestrators, virtual machines, and containerized environments.</p></li><li><p style="min-height:1.5em">Design and implement automation using Infrastructure-as-Code and Configuration Management principles (Terraform, Ansible, Consul) to ensure reproducibility, speed, and consistency in infrastructure deployment.</p></li><li><p style="min-height:1.5em">Establish and maintain infrastructure standards, documentation, and architecture diagrams to support scale, reliability, and compliance across environments.</p></li><li><p style="min-height:1.5em">Partner with Technical Operations, CloudOps, and Platform teams to ensure smooth integration of systems, improve deployment efficiency, and enhance observability.</p></li><li><p style="min-height:1.5em">Optimize resource allocation and infrastructure cost efficiency while maintaining performance and uptime goals.</p></li><li><p style="min-height:1.5em">Continuously improve resilience and scalability through proactive capacity planning, disaster recovery testing, and infrastructure modernization initiatives.</p></li></ul><h2><strong>What You’ll Bring</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Minimum 5 years of experience in Systems Administration, Datacenter Operations, or Infrastructure Engineering, with deep expertise in Linux/Unix s