Linux Systems Engineer

Reference: 22547Location: Chicago, IL, United StatesIndustry: Trading FirmPosted: 2026-05-11Contact: Ethan HudsonEmail: View email address on click.appcast.io: 13176505687Linux Systems EngineerLocation: Chicago, ILAbout the OpportunityJoin a premier global quantitative trading firm at the intersection of high-performance computing and financial markets. We are looking for a driven engineer to manage and evolve the critical infrastructure that powers our low-latency execution systems and massive-scale research clusters. This is a high-impact role within a fast-paced environment where your technical contributions directly influence the success of a world-class fintech organization.ResponsibilitiesInfrastructure Management: Oversee the full lifecycle of a global, high-performance Linux environment, ensuring maximum uptime and reliability for trade execution and quantitative analysis.Automation & Configuration: Utilize advanced configuration management tools to maintain consistency and scalability across diverse computing clusters.System Optimization: Perform deep-level kernel tuning and hardware performance analysis to minimize latency and maximize computational throughput.Technical Operations: Manage system initialization processes and core OS services while participating in critical weekend maintenance and deployment cycles to ensure seamless market connectivity.Internal Tooling: Develop and maintain sophisticated automation scripts to streamline complex administrative tasks and system monitoring.Requirements (must-have)Linux Expertise: Demonstrated mastery in managing large-scale Linux deployments using open-source methodologies.Infrastructure as Code: Proficiency in at least one enterprise-level configuration management framework (such as Ansible, SaltStack, or Chef).Scripting Mastery: Advanced proficiency in Python or Shell scripting for automation and system integration.Systems Internals: Thorough knowledge of Linux kernel configuration, systemd, and modern computer hardware architecture.Availability: Ability to support occasional weekend change windows to align with global market schedules.Preferred Qualifications (nice-to-have)Previous experience in high-frequency trading (HFT) or low-latency financial environments.Experience managing large-scale distributed computing or "Big Data" research clusters.Compensation & BenefitsHighly competitive base salary and performance-based bonus structure.Comprehensive benefits package including health, dental, and vision.Premium workplace perks: On-site fitness access, catered meals, and regular team engagement events.#LI-EH1