On-Prem Linux Systems Engineer (Bare-Metal)

Trexquant Investment; Stamford (CT); On-site; USD 130,000 - 150,000; Full time

Benefits offered by this job

Health insurance

Pre-tax commuter benefits

Weekly meals

Job summary

Trexquant Investment is seeking a hands-on Linux Systems Engineer to build, maintain, and scale our on-premise infrastructure in Stamford and New York City. The role focuses on bare-metal Linux, with ownership of provisioning, storage, and reliability in a production-critical setting.

You'll automate with Ansible and Bash, patch and upgrade systems, manage storage with ZFS and enterprise vendors, and participate in on-call rotations and incident response. Travel to data centers is required.

Qualifications

• Bachelor’s degree or equivalent practical experience.
• 3+ years of experience managing Linux systems in a production environment.
• Proficiency with Ansible for configuration management.
• Strong Bash scripting; Python is a plus.
• Experience provisioning and managing physical servers at scale (100+ servers).
• Storage experience with ZFS and enterprise vendors (NetApp, Dell) is strongly preferred.

Responsibilities

• Build, provision, and maintain bare-metal Linux servers.
• Own server infrastructure from hardware through OS and core services.
• Configure and manage storage systems (ZFS, NetApp, Dell).
• Monitor system health and troubleshoot to implement durable fixes.
• Develop automation using Ansible and Bash to standardize provisioning.
• Perform system patching, upgrades, and capacity planning across a growing server fleet.
• Participate in incident response, root cause analysis, and continuous improvement of system reliability.
• Collaborate with engineering 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.
• Travel to data centers periodically for maintenance and issue resolution.

Skills

Linux system administration

Ansible

Bash scripting

Python

Performance & reliability

Education

Bachelor's degree in a technical field

Tools

ZFS

NetApp

Dell storage

Job description

Trexquant Investment is seeking a hands-on Linux Systems Engineer to build, maintain, and scale our on-premise infrastructure in Stamford and New York City. The role focuses on bare-metal Linux, with ownership of provisioning, storage, and reliability in a production-critical setting.

You'll automate with Ansible and Bash, patch and upgrade systems, manage storage with ZFS and enterprise vendors, and participate in on-call rotations and incident response. Travel to data centers is required.