Linux Systems Engineer (USA)
Trexquant Investment LP · Stamford, CT · 1 wk ago
On-siteInformation Technology$130k–$150k/yrFull-time
Responsibilities
- Build, provision, and maintain bare-metal Linux servers, including OS installation, configuration, and lifecycle management
- Own server infrastructure from hardware through operating system and core services, ensuring stability and performance
- Configure and manage storage systems, including ZFS and enterprise storage platforms (e.g., NetApp, Dell, or similar)
- Maintain monitoring of system health and performance; troubleshoot issues and implement durable, long-term fixes
- Develop and maintain automation using Ansible and Bash to standardize provisioning, configuration, and operations
- Perform system patching, upgrades, and capacity planning across a growing server fleet
- Support incident response, root cause analysis, and continuous improvement of system reliability
- Collaborate with engineering and infrastructure teams to support application performance on Linux systems
- Contribute to documentation, runbooks, and operational best practices
- Support data center operations as needed, including hardware troubleshooting, racking, cabling, and server replacements
- Occasional travel to data centers for maintenance, expansions, and issue resolution
Requirements
- Bachelor's degree in a technical field or equivalent practical experience
- 3+ years of experience managing Linux systems in a production environment
- Strong expertise in Linux at the system level, including OS installation, configuration, and troubleshooting on bare metal
- Proven experience provisioning and managing physical servers at scale (100+ servers preferred)
- Hands-on experience with storage systems, including ZFS; familiarity with enterprise storage vendors (NetApp, Dell, or similar) is strongly preferred
- Proficiency with Ansible for configuration management and automation (required)
- Strong Bash scripting skills; Python is a plus but not required
- Solid understanding of system performance, resource management, and reliability in production environments
- Experience working in environments where uptime, precision, and operational discipline are critical
- Willingness to perform occasional hands-on hardware work and travel to data centers as needed
- Ability to participate in an on-call rotation