Senior Site Reliability Engineer / AWS / Hybrid / Chicago

A proprietary trading firm in Chicago is looking to bring on a Senior Site Reliability Engineer (SRE) in a full-time capacity. This team builds high-availability infrastructure to support ultra-low-latency trading strategies. You'll be joining a group of engineers dedicated to automation, system performance, and reliability - all running in a Linux-based, containerized, cloud-native environment. This is an onsite role working closely with developers, support teams, and stakeholders across the firm.

What makes this role stand out? You'll be embedded within a front-office trading environment where engineering is treated like a first-class citizen. The firm is investing heavily in SRE practices and automation, and they're looking for a senior-level engineer who knows how to scale infrastructure, own production support, and optimize CI/CD pipelines. If you're motivated by solving complex system challenges and enjoy seeing your work directly impact trading outcomes, this is a standout opportunity. Expect a sharp, collaborative team, flexible PTO, wellness perks, and access to cutting-edge tools and systems.

Required Skills & Experience

• 4+ years in a DevOps, SRE, or Infrastructure Engineering role
• Experience with Linux systems administration (any major distro)
• Strong scripting skills in Python, Bash, or similar
• Hands-on experience with Infrastructure as Code (Terraform preferred)
• Container orchestration using Docker and Kubernetes
• Experience building or maintaining CI/CD pipelines
• Familiarity with monitoring and alerting tools (e.g. Datadog, Prometheus, CloudWatch)
• Ability to troubleshoot and support production environments
• Strong communication skills; ability to work cross-functionally with developers and support teams

Desired Skills & Experience

• Previous experience in a trading firm, hedge fund, or fintech environment
• Exposure to AWS or hybrid cloud environments
• Understanding of networking, DNS, firewalls, and secure infrastructure
• Familiarity with Kafka, GitLab, or other internal developer tools
• Experience deploying or managing Kubernetes clusters at scale

What You Will Be Doing
Tech Breakdown

• 60% Linux Infrastructure & Automation
• 25% CI/CD, Containerization, and IaC
• 15% Monitoring, Cloud & Tooling

Daily Responsibilities

• 60% Hands-on Systems Engineering & Automation
• 25% Support & Troubleshooting (including ticketing/helpdesk issues)
• 15% Cross-team Collaboration with Developers & Support

The Offer

• Bonus eligible

You will receive the following benefits:

• Medical, Dental, and Vision Insurance
• Vacation Time
• Stock Options

Applicants must be currently authorized to work in the US on a full-time basis now and in the future.