{"schemaVersion":"jobsearcher.job.v1","id":"e4efcf2f3d7abea96f4ec558","url":"https://jobsearcher.com/jobs/e4efcf2f3d7abea96f4ec558","canonicalUrl":"https://jobsearcher.com/jobs/e4efcf2f3d7abea96f4ec558","title":"Linux Engineer","description":"Location: Chicago, IL (Hybrid/On-site)About The OpportunityWe are looking for a highly skilled Linux Systems Engineer to join a premier global proprietary trading firm. In this role, you will engineer and optimize large-scale Linux infrastructure that powers both ultra-low-latency financial systems and high-throughput research environments. This is a chance to manage a massive global footprint of over 10,000 bare-metal systems where automation, performance tuning, and technical initiative are the primary drivers of success.ResponsibilitiesInfrastructure Engineering: Lead the provisioning, configuration, and performance tuning of a global, large-scale Linux fleet to ensure maximum reliability and speed. Automation & Tooling: Design and maintain sophisticated internal tools using Python and Bash to streamline the management of thousands of bare-metal servers. Configuration Management: Develop and refine codebase for system configurations, ensuring consistency across diverse workloads including Kubernetes-based applications and high-frequency trading platforms. Fleet Visibility: Enhance system telemetry by extending monitoring, logging, and alerting frameworks to provide deep visibility into Linux performance metrics. Systems Troubleshooting: Diagnose and resolve complex kernel and network-level issues within a mission-critical enterprise environment. Collaborative Development: Engage in a rigorous technical environment through code reviews, merge requests, and cross-functional architectural discussions. Requirements (Must-have)Expert Linux Administration: Extensive experience engineering and managing Linux distributions at scale, specifically on bare-metal hardware. Python Development: Strong proficiency in Python for automation, API design, and systems debugging. Configuration Management: Advanced experience using enterprise-grade configuration tools (e.g., Puppet/Hiera or equivalent) to manage large server fleets. Automation Frameworks: Proven ability to author complex playbooks and automate tasks using Ansible. Systems & Network Diagnostics: Deep knowledge of low-level troubleshooting tools such as EBPF, tcpdump, strace, and systemd. Build & Deploy: Solid experience with CI/CD pipelines, Git version control, and RPM package management/repository administration. Network Fundamentals: Strong understanding of TCP/UDP, Multicast, DNS, and routing protocols. Education: Bachelor’s degree in Computer Engineering, Computer Science, or a related technical field (or equivalent professional experience). Preferred QualificationsContainerization: Experience building Docker images and working within Kubernetes environments. Observability: Familiarity with Prometheus, Grafana, and AlertManager, particularly in developing custom exporters for Linux telemetry. High-Stakes Environments: Previous experience in fintech, high-frequency trading, or large-scale research environments. Compensation & BenefitsBase Salary: $150,000 – $225,000 USD Total Rewards: This role is eligible for a discretionary performance bonus and a comprehensive benefits package including premium health insurance and paid leave. Accepting Candidates","company":"Op Recruiting","rawCompany":"op recruiting","city":"Chicago","state":"IL","isRemote":false,"isActive":false,"createdAt":"2026-04-26T11:49:18.674Z","occupations":[{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"},{"code":"518210","title":"Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services","slug":"computing-infrastructure-providers-data-processing-web-hosting-and-related-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Linux Engineer","description":"Location: Chicago, IL (Hybrid/On-site)About The OpportunityWe are looking for a highly skilled Linux Systems Engineer to join a premier global proprietary trading firm. In this role, you will engineer and optimize large-scale Linux infrastructure that powers both ultra-low-latency financial systems and high-throughput research environments. This is a chance to manage a massive global footprint of over 10,000 bare-metal systems where automation, performance tuning, and technical initiative are the primary drivers of success.ResponsibilitiesInfrastructure Engineering: Lead the provisioning, configuration, and performance tuning of a global, large-scale Linux fleet to ensure maximum reliability and speed. Automation & Tooling: Design and maintain sophisticated internal tools using Python and Bash to streamline the management of thousands of bare-metal servers. Configuration Management: Develop and refine codebase for system configurations, ensuring consistency across diverse workloads including Kubernetes-based applications and high-frequency trading platforms. Fleet Visibility: Enhance system telemetry by extending monitoring, logging, and alerting frameworks to provide deep visibility into Linux performance metrics. Systems Troubleshooting: Diagnose and resolve complex kernel and network-level issues within a mission-critical enterprise environment. Collaborative Development: Engage in a rigorous technical environment through code reviews, merge requests, and cross-functional architectural discussions. Requirements (Must-have)Expert Linux Administration: Extensive experience engineering and managing Linux distributions at scale, specifically on bare-metal hardware. Python Development: Strong proficiency in Python for automation, API design, and systems debugging. Configuration Management: Advanced experience using enterprise-grade configuration tools (e.g., Puppet/Hiera or equivalent) to manage large server fleets. Automation Frameworks: Proven ability to author complex playbooks and automate tasks using Ansible. Systems & Network Diagnostics: Deep knowledge of low-level troubleshooting tools such as EBPF, tcpdump, strace, and systemd. Build & Deploy: Solid experience with CI/CD pipelines, Git version control, and RPM package management/repository administration. Network Fundamentals: Strong understanding of TCP/UDP, Multicast, DNS, and routing protocols. Education: Bachelor’s degree in Computer Engineering, Computer Science, or a related technical field (or equivalent professional experience). Preferred QualificationsContainerization: Experience building Docker images and working within Kubernetes environments. Observability: Familiarity with Prometheus, Grafana, and AlertManager, particularly in developing custom exporters for Linux telemetry. High-Stakes Environments: Previous experience in fintech, high-frequency trading, or large-scale research environments. Compensation & BenefitsBase Salary: $150,000 – $225,000 USD Total Rewards: This role is eligible for a discretionary performance bonus and a comprehensive benefits package including premium health insurance and paid leave. Accepting Candidates","datePosted":"2026-04-26T11:49:18.674Z","dateModified":"2026-04-26T11:49:18.674Z","hiringOrganization":{"@type":"Organization","name":"Op Recruiting","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Chicago","addressRegion":"IL","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"e4efcf2f3d7abea96f4ec558"},"url":"https://jobsearcher.com/jobs/e4efcf2f3d7abea96f4ec558"}}