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Linux Systems Engineer at Trexquant | New York

TrexquantNew York, New York, United States
On-site Full-time $130K/yr - $150K/yr

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Experience Level

Experience

Qualifications

Qualifications:Bachelor's degree in a technical discipline or equivalent practical experience.3+ years of experience managing Linux systems in a production environment. In-depth expertise in Linux at the system level, including OS installation, configuration, and troubleshooting on bare metal. Demonstrated experience provisioning and managing physical servers at scale (100+ servers preferred). Hands-on experience with storage systems, particularly ZFS; familiarity with enterprise storage vendors (NetApp, Dell, or similar) is a strong advantage. Proficiency in Ansible for configuration management and automation (required); strong Bash scripting skills; Python knowledge is a plus. Comprehensive understanding of system performance, resource management, and reliability in production settings. Experience in high-uptime, precision-oriented, and operationally disciplined environments. Willingness to perform occasional hands-on hardware tasks and travel to data centers as required. Ability to participate in an on-call rotation.

About the job

Join Trexquant as a dedicated Linux Systems Engineer, where you will play a pivotal role in constructing, managing, and scaling our on-premise infrastructure. This hands-on position emphasizes bare-metal Linux systems and offers significant ownership of server provisioning, storage management, and overall system reliability.

The ideal candidate will be meticulous, highly disciplined, and adept at thriving in a challenging, production-critical environment. This role is specifically tailored for individuals with extensive experience in physical infrastructure, Linux internals, and automation within a high-performance context.

Key Responsibilities:

  • Construct, provision, and manage bare-metal Linux servers, overseeing OS installation, configuration, and lifecycle management.
  • Take full ownership of server infrastructure from hardware through to the operating system and core services, ensuring optimal stability and performance.
  • Configure and manage storage systems, including ZFS and enterprise storage platforms (e.g., NetApp, Dell, or similar).
  • Monitor system health and performance, troubleshoot issues, and implement sustainable long-term solutions.
  • Develop and maintain automation scripts using Ansible and Bash to standardize provisioning, configuration, and operational procedures.
  • Conduct system patching, upgrades, and capacity planning across an expanding server fleet.
  • Engage in incident response and root cause analysis, focusing on the continuous improvement of system reliability.
  • Collaborate with engineering and infrastructure teams to optimize application performance on Linux systems.
  • Contribute to documentation, runbooks, and operational best practices.
  • Support data center operations as required, including hardware troubleshooting, racking, cabling, and server replacements.
  • Occasionally travel to data centers for maintenance, expansions, and problem resolution.

About Trexquant

Trexquant is a forward-thinking company focused on advancing technology solutions in the finance sector. We pride ourselves on fostering an innovative and collaborative work environment where skilled professionals can thrive and grow.

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