Full-Time

Linux Systems Engineer

Updated on 8/1/2026

Trexquant

Trexquant

51-200 employees

Quantitative trading via ML models

Compensation Overview

$130k - $150k/yr

+ Performance-based bonus + Pre-tax commuter benefits

Stamford, CT, USA

In Person

Periodic travel to data centers is required; a New York City office is planned to open in October 2026.

Category
Software Engineering (1)
Required Skills
Bash
Python
Incident Response
Ansible
Linux/Unix

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Requirements
  • A bachelor's degree in a technical field or equivalent practical experience.
  • At least 3 years of experience managing Linux systems in a production environment.
  • Strong system-level Linux expertise, including bare-metal operating system installation, configuration, and troubleshooting.
  • Hands-on experience provisioning and managing physical servers at scale.
  • Hands-on experience with storage systems, including ZFS.
  • Proficiency with Ansible for configuration management and automation.
  • Strong Bash scripting skills.
  • A 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.
Responsibilities
  • Build, provision, and maintain bare-metal Linux servers, including operating system installation, configuration, and lifecycle management.
  • Own server infrastructure from hardware through the operating system and core services, ensuring stability and performance.
  • Configure and manage storage systems, including ZFS and enterprise storage platforms such as NetApp, Dell, or similar.
  • Monitor 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.
  • Participate in 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.
  • Travel to data centers periodically for maintenance, expansions, and issue resolution.
Desired Qualifications
  • Proven experience provisioning and managing physical servers at scale, with 100 or more servers preferred.
  • Familiarity with enterprise storage vendors such as NetApp, Dell, or similar is strongly preferred.
  • Python experience is a plus but is not required.

Trexquant is a quantitative finance firm that builds multi-asset portfolios using machine learning. It develops investment and research tools that ingest a wide range of data variables to create complex trading models and strategies, which in turn generate trading signals. These signals guide decisions across global markets. The product works by applying advanced machine learning to large datasets to create predictive models and rule-based strategies, which drive portfolio construction and trading actions through the firm’s platform. Trexquant differentiates itself by emphasizing the breadth of data it uses and the depth of machine-learning driven models to craft multi-asset portfolios, aiming to produce signals that outperform global market conditions. The company’s goal is to generate investment performance that beats benchmarks by using data-driven signals and diversified, multi-asset strategies.

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

Stamford, Connecticut

Founded

2012

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Simplify Jobs

Simplify's Take

What believers are saying

  • Its scale supports meaningful allocations in liquid large-cap and ETF names.
  • Recent adds to Circle, Galaxy Digital, and Webull expand event-driven opportunity sets.
  • High turnover enables rapid rotation into momentum and factor dislocations.

What critics are saying

  • Statistical-arbitrage alpha decays when signals are arbitraged away.
  • Crowded mega-cap tech exposure concentrates drawdown risk in one regime reversal.
  • Heavy rotation raises mistiming risk if added names underperform quickly.

What makes Trexquant unique

  • Trexquant runs statistical arbitrage across active master, offshore, and onshore funds.
  • It held about $8.9B across 1,479 positions in Q2 2025.
  • Technology dominated holdings, led by NVIDIA, Apple, Microsoft, and Alphabet.

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Benefits

Health Insurance

Pre-Tax Commuter Benefits

Performance Bonus

Company News

ETF Daily News
Sep 6th, 2025
Trexquant Investment LP Makes New $1.25 Million Investment in The Mosaic Company $MOS

Trexquant Investment LP bought a new position in The Mosaic Company (NYSE:MOS – Free Report) in the 1st quarter, HoldingsChannel.com reports. The firm bought 46,193 shares of the basic materials company’s stock, valued at approximately $1,248,000. Several other institutional investors have also recently made changes to their positions in MOS. NBC Securities Inc. bought a […]

MarketBeat
May 15th, 2025
Sinclair, Inc. (NASDAQ:SBGI) Given Consensus Rating of "Hold" by Analysts

Trexquant Investment LP purchased a new stake in Sinclair in the 4th quarter worth approximately $1,688,000.

ETF Daily News
May 2nd, 2025
Marshall Wace LLP Invests $703,000 in Korro Bio, Inc. (NASDAQ:KRRO)

Finally, Trexquant Investment LP acquired a new stake in Korro Bio in the fourth quarter worth about $211,000.

ETF Daily News
Apr 28th, 2025
Raymond James Financial Inc. Buys New Shares in Phathom Pharmaceuticals, Inc. (NASDAQ:PHAT)

Trexquant Investment LP purchased a new stake in Phathom Pharmaceuticals in the 4th quarter worth $3,075,000.

ETF Daily News
Apr 20th, 2025
iShares Core S&P U.S. Growth ETF (NASDAQ:IUSG) Shares Sold by Cerity Partners LLC

Finally, Trexquant Investment LP purchased a new stake in iShares Core S&P U.S. Growth ETF during the fourth quarter worth approximately $222,000.