Senior Infrastructure Engineer: Scale, Security & Observability

EDX Markets; Chicago (IL); On-site; USD 140,000 - 190,000; Full time

Job summary

EDX Markets in Chicago is seeking a Senior Infrastructure Engineer to design, implement and maintain highly available distributed systems that process trades and interact with blockchain networks. You will collaborate with stakeholders across the business and help evolve the platform while ensuring security and reliability.

The role requires 4+ years in infrastructure/SRE, strong AWS experience across accounts, Terraform/OpenTofu mastery, and hands‑on Kubernetes (EKS) and Helm in production.

Qualifications

• 4+ years in infrastructure, SRE or platform engineering.
• Bachelor’s degree in computer science or a related field, or equivalent experience
• Production AWS experience, ideally across multiple accounts
• Deep Terraform or OpenTofu experience: module design, state management, imports and safely refactoring live infrastructure
• Kubernetes (EKS) and Helm in production
• CI/CD pipeline design and security (GitHub Actions, Spacelift or similar)
• Configuration management, ideally Ansible
• Strong networking: VPC design, firewalls and inspection, load balancers, DNS and TLS
• Python and Bash scripting
• A track record of tracing production incidents to their root cause
• On‑call and production support experience for 24/7 systems

Responsibilities

• Design highly resilient, scalable distributed systems across AWS and on‑prem Linux systems
• Implement designs using infrastructure as code (OpenTofu, Kubernetes, Ansible)
• Implement security controls across cloud, network and CI/CD
• Deploy and patch new infrastructure and applications
• Monitor production infrastructure and lead production support and debugging
• Improve observability and alerting
• Automate operational tasks and turn manual procedures into runbooks

Skills

Infrastructure design

SRE

Python

Bash

Networking

Terraform/OpenTofu

Kubernetes (EKS)

Ansible

CI/CD

GitHub Actions

Spacelift

Security

Incident management

Education

Bachelor's degree in computer science or related field

Tools

OpenTofu

Terraform

Kubernetes (EKS)

Helm

GitHub Actions

Spacelift

Ansible

Job description

EDX Markets in Chicago is seeking a Senior Infrastructure Engineer to design, implement and maintain highly available distributed systems that process trades and interact with blockchain networks. You will collaborate with stakeholders across the business and help evolve the platform while ensuring security and reliability.

The role requires 4+ years in infrastructure/SRE, strong AWS experience across accounts, Terraform/OpenTofu mastery, and hands‑on Kubernetes (EKS) and Helm in production.