The Linux Engineer will manage and automate Linux infrastructure at scale, troubleshoot issues, enhance tools, and improve workflows in a mission-critical environment.
We're seeking a Linux Engineer with deep systems expertise and Python/scripting experience to join our growing global team. You will be responsible for engineering and operating Linux at scale across our mission[1]critical environment, while also improving automation and self-service tools that enhance our ability to manage IMC's servers.
The Linux Engineering team is responsible for the provisioning, configuration, performance, and reliability of a large-scale Linux infrastructure that supports a diverse set of workloads. These include ultra-low latency systems critical to high-frequency trading, as well as high-throughput environments that run research workflows and a wide variety of Kubernetes-based applications. This role requires strong Linux fundamentals applied at scale, with automation as a key enabler for consistency and efficiency across the fleet. Your initiative, collaborative attitude, problem-solving skills, and focus on continuous improvement will help ensure IMC stays competitive by bringing the latest technologies and practices into production.
Your Core Responsibilities
Your Skills and Experience
The Linux Engineering team is responsible for the provisioning, configuration, performance, and reliability of a large-scale Linux infrastructure that supports a diverse set of workloads. These include ultra-low latency systems critical to high-frequency trading, as well as high-throughput environments that run research workflows and a wide variety of Kubernetes-based applications. This role requires strong Linux fundamentals applied at scale, with automation as a key enabler for consistency and efficiency across the fleet. Your initiative, collaborative attitude, problem-solving skills, and focus on continuous improvement will help ensure IMC stays competitive by bringing the latest technologies and practices into production.
Your Core Responsibilities
- Apply deep Linux engineering expertise to troubleshoot and resolve complex issues on enterprise systems, ensuring stability and performance
- Enhance configuration management code and processes that we use to manage over 10,000 bare-metal Linux systems globally
- Develop and maintain Python/Bash tools to support large-scale Linux systems management
- Improve provisioning workflows to seamlessly build bare servers into production-ready platforms
- Extend Linux-focused metrics, logging, monitoring, and alerting integrations for full fleet visibility
- Communicate updates and status clearly and frequently with peers and stakeholders through meetings, tracking tickets, code reviews, chats, and merge requests
Your Skills and Experience
- Hands-on Linux systems engineering, administration, and provisioning expertise applied at scale, preferably on bare-metal systems
- Configuration management at scale, preferably on bare-metal servers with Puppet and Hiera
- Python development for automation, APIs, design, testing, and debugging
- Ansible playbook authorship and complex task automation
- RPM design, build, publishing, and in-house repository management
- CI/CD pipelines, Git version control, branching and merging best practices
- Strong system and network troubleshooting with tools such as EBPF, tcpdump, strace, systemd, ntp/ptp, lsof, and nc
- Networking fundamentals: routing, DNS, TCP/UDP/multicast
- Experience building and publishing Docker images
- Working familiarity with Kubernetes
- Exposure to monitoring stacks such as Prometheus, Grafana, and AlertManager, with a focus on Linux telemetry and exporter development
- Bachelor's degree in Computer Engineering or a related field, or equivalent professional experience
Top Skills
Ansible
Bash
Docker
Git
Grafana
Hiera
Kubernetes
Linux
Prometheus
Puppet
Python
IMC Trading Chicago, Illinois, USA Office
IMC Chicago opened its doors in 2000, becoming our first overseas office. It now hosts more than 650 employees, making it the largest IMC location. Home to the Chicago Mercantile Exchange (CME) and the Chicago Board Options Exchange (CBOE), the city is at the centre of the global market.
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