Full-Time

Linux Systems Engineer

USA

Posted on 10/31/2025

Trexquant

Trexquant

51-200 employees

Quantitative trading via ML models

No salary listed

Stamford, CT, USA

In Person

Category
Software Engineering (1)
Requirements
  • Background in a technical field (computer science, information systems, engineering etc)
  • 3+ years of hands-on experience as a Linux Systems Engineer or Systems Administrator, in an enterprise environment
  • Strong knowledge of Linux internals and familiarity with enterprise Linux distros
  • Proficiency in automation tools such as Ansible
  • Experience writing shell scripts (Bash) or Python for task automation
  • Strong understanding of networking fundamentals and experience with network troubleshooting
  • Experience with central or distributed storage systems and good knowledge of file systems
  • Excellent troubleshooting and diagnostic skills with a systematic approach to resolving issues
  • Able to participate in a monthly on-call rotation with other team members to ensure round-the-clock support coverage
  • Install, configure, and maintain Linux-based servers, and manage server health, ensure uptime, and perform regular patching and upgrades
  • Monitor system performance, troubleshoot issues, and implement performance tuning across Linux servers to ensure reliability and efficiency
  • Develop and maintain automation scripts (using Bash, Python, Ansible, etc.) to streamline deployment, monitoring, and configuration management
  • Design, implement, and test disaster recovery procedures to ensure system availability and data integrity
  • Provide tier-2 and tier-3 technical support for escalated incidents related to Linux systems. Collaborate with other teams to resolve complex system issues
  • Work closely with developers, network engineers, and other IT teams to deploy and maintain infrastructure for both on-premise and cloud environments
Responsibilities
  • Install, configure, and maintain Linux-based servers, and manage server health, ensure uptime, and perform regular patching and upgrades
  • Monitor system performance, troubleshoot issues, and implement performance tuning across Linux servers to ensure reliability and efficiency
  • Develop and maintain automation scripts (using Bash, Python, Ansible, etc.) to streamline deployment, monitoring, and configuration management
  • Design, implement, and test disaster recovery procedures to ensure system availability and data integrity
  • Provide tier-2 and tier-3 technical support for escalated incidents related to Linux systems. Collaborate with other teams to resolve complex system issues
  • Work closely with developers, network engineers, and other IT teams to deploy and maintain infrastructure for both on-premise and cloud environments
  • Background in a technical field (computer science, information systems, engineering etc)
  • 3+ years of hands-on experience as a Linux Systems Engineer or Systems Administrator, in an enterprise environment
  • Strong knowledge of Linux internals and familiarity with enterprise Linux distros
  • Proficiency in automation tools such as Ansible. Experience writing shell scripts (Bash) or Python for task automation
  • Strong understanding of networking fundamentals and experience with network troubleshooting
  • Experience with central or distributed storage systems and good knowledge of file systems
  • Excellent troubleshooting and diagnostic skills with a systematic approach to resolving issues
  • Able to participate in a monthly on-call rotation with other team members to ensure round-the-clock support coverage
  • Competitive salary plus bonus based on individual and company performance.
  • Collaborative, casual, and friendly work environment.
  • PPO Health, dental and vision insurance premiums fully covered for you and your. dependents.
  • Pre-tax commuter benefits.
  • Weekly company meals.
  • Trexquant is an Equal Opportunity Employer

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

Simplify Jobs

Simplify's Take

What believers are saying

  • Achieved +29.86% total return and +38.76% annualized return, outperforming market benchmarks significantly.
  • Expanding into high-growth sectors: fintech, crypto, and health tech via Circle, Galaxy Digital, Hinge Health.
  • Tech-heavy allocation (25.99% Computer, 19.13% Electronics) captures AI and semiconductor market tailwinds.

What critics are saying

  • Heavy NVDA, PLTR, MSFT concentration exposes portfolio to 20-30% drawdown in tech correction.
  • Crypto positions in Circle and Galaxy Digital face regulatory crackdowns and Bitcoin volatility losses.
  • Statistical arbitrage underperforms in low-volatility regimes; crowded quant trades squeeze alpha generation.

What makes Trexquant unique

  • Machine learning-driven statistical arbitrage generates market-neutral equity strategies across 1,551 global holdings.
  • Quantitative platform continuously developed since April 2014 creates proprietary trading signals from vast data variables.
  • Portfolio value reached $11.2 billion with diversified exposure across tech, fintech, crypto, and healthcare sectors.

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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.

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