Linux Engineer

Selby JenningsChicago, IL, United States

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Role : Linux Systems Engineer

Location : Chicago

Salary : $160,000-225,000 base salary plus annual discretionary bonus

A Chicago based High Frequency Trading Firm is seeking a Linux Systems Engineer with strong systems-level knowledge and scripting capabilities to join a dynamic, globally distributed team. This role involves managing and optimizing a large-scale Linux infrastructure, with a focus on automation, performance, and reliability. You'll play a key role in enhancing tooling and workflows that support the provisioning and operation of thousands of Linux servers.

Key Responsibilities :

Troubleshoot and resolve complex issues across enterprise Linux environments to ensure system stability and performance.
Improve and maintain configuration management systems for a global fleet of bare-metal Linux servers.
Develop and support automation tools using Python, Bash, or Go to streamline systems management.
Enhance provisioning pipelines to efficiently deploy production-ready servers.
Expand observability through metrics, logging, monitoring, and alerting systems.
Collaborate with team members and stakeholders through code reviews, documentation, and regular communication.

Required Skills and Experience :

Proven experience in Linux systems engineering, administration, and provisioning.

Expertise in configuration management at scale, ideally using tools like Puppet and Hiera.

Familiarity with container technologies, including Docker image creation and management.

Hands-on experience with Kubernetes operations.

Proficiency in Python for automation, API integration, and debugging.

Experience writing Ansible playbooks and automating complex tasks.

Knowledge of RPM packaging and internal repository management.

Understanding of CI / CD workflows and Git-based version control practices.

Proficiency with system and network diagnostic tools (e.g., tcpdump, strace, systemd, EBPF).

Solid grasp of networking concepts including routing, DNS, and multicast protocols.

Experience with monitoring stacks such as Prometheus, Grafana, and alerting tools like Alertmanager or OpsGenie.

Bachelor's degree in Computer Engineering, Computer Science, or a related field.

This role must sit out of the firms Chicago office, working in a hybrid model of 3 days a week on site.

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Linux Engineer • Chicago, IL, United States