Infrastructure Engineer

Job SummaryWe are seeking a Cloud Infrastructure / Platform Engineer to design, build, and operate highly scalable cloud infrastructure and platform services. This role is ideal for a hands-on engineer who combines strong cloud infrastructure expertise with recent production software development experience.The ideal candidate will have deep experience with AWS, Terraform, Linux, Docker, Kubernetes/EKS/ECS, cloud networking, distributed systems, and CI/CD, along with the ability to develop and maintain production-quality applications and platform services using Node.js/TypeScript and/or C#.This is not a traditional DevOps or infrastructure administration role. The engineer will be expected to write and maintain production code recently, while also owning infrastructure, platform reliability, scalability, and operational excellence.Key ResponsibilitiesDesign, build, and maintain scalable AWS cloud infrastructure and platform services.Develop and maintain production software using Node.js and TypeScript and/or C#.Build reusable and maintainable infrastructure using Terraform and Infrastructure-as-Code.Design and manage multi-environment cloud infrastructure across development, testing, and production.Deploy, operate, and troubleshoot containerized workloads using Docker and Kubernetes, EKS, and/or ECS.Work extensively in Linux-based environments such as Ubuntu, Amazon Linux, RHEL, or Alpine.Design and troubleshoot cloud networking components including VPCs, DNS, load balancing, routing, security groups, and service connectivity.Build and support distributed systems capable of handling high-volume data ingestion and real-time telemetry.Implement event-driven and streaming architectures using technologies such as Kafka, Kinesis, or other messaging/pub-sub platforms.Develop and maintain automated CI/CD pipelines with testing, quality controls, deployment gates, and repeatable environment promotion.Monitor and troubleshoot production systems using Datadog, CloudWatch, Splunk, or comparable observability platforms.Participate in incident response, root-cause analysis, performance optimization, and reliability improvements.Design solutions that support backward compatibility and long-lived connected devices/machines.Develop technical documentation covering architecture, operational procedures, incidents, technical decisions, and system tradeoffs.Collaborate with software engineers, architects, and platform teams through design reviews, code reviews, and architecture discussions.Mentor engineers on cloud-native architecture, infrastructure patterns, software development, and production operations.Location: Oak Brook, IL or Sioux Falls, SDWork Arrangement: Hybrid – 2–3 days per week onsite