Linux Engineer

Overview

Connecting clients to markets – and talent to opportunity.With 5,400+ employees and over 80,000 institutional, commercial, and payments clients, we operate from more than 80 offices spread across six continents. As a Fortune 100, Nasdaq-listed provider, we connect clients to the global markets – focusing on innovation, human connection, and providing world-class products and services to all types of investors.Whether you want to forge a career connecting our retail clients to potential trading opportunities, or ingrain yourself in the world of institutional investing, StoneX Group is made up of four business segments that offer endless potential for progression and growth.

Business Segment Overview

Corporate: Engage in a deep variety of business-critical activities that keep our company running efficiently. From strategic marketing and financial management to human resources and operational oversight, you’ll have the opportunity to optimize processes and implement game-changing policies.

Linux Engineering position that is part of a growing global team responsible for automated provisioning, configuration management, performance and troubleshooting of Linux systems across the company’s infrastructure. 

Responsibilities

Position Purpose: Linux Engineers work within the core Information Technology department designing and maintaining infrastructure services central to company infrastructure and Linux-based high-performance trading systems. They are also expected to successfully partner with business counterparts in troubleshooting and solution development efforts.   

The role has a strong focus on standardization of system performance, optimization, and automation of Linux systems.

Primary duties will include: 

• Linux OS engineering using SRE/DevOps methodologies. 

• Work closely with other members of the trading team to understand business requirements and develop technical solutions that meet those requirements. 

• Optimize Linux-based systems to achieve maximum performance and minimize latency. 

• Troubleshoot and resolve complex Linux-related issues, both independently and as part of a team. 

• Continuously evaluate modern technologies and tools to improve the performance and reliability of our trading infrastructure, leading implementation and operationalization of selected solutions. 

• Develop and maintain technical documentation related to the Linux-based trading infrastructure. 

• Follow and enforce Linux best practices and engineering. 

• Provide escalation support for subordinates and junior resources. 

• Mentor junior and mid-level Linux engineers. 

Qualifications

 To land this role you will need:

• 5+ years of experience in Linux systems administration, preferably in a high frequency trading environment. 

• In-depth knowledge of Linux operating systems, including kernel tuning, performance optimization, and system security. 

• Strong programming skills in one or more scripting languages, such as Python, Perl, or Bash. 

• Knowledge of financial markets, trading strategies, and electronic trading systems is a plus. 

• Experience with network troubleshooting including TCP/UDP, multicast, packet captures, kernel bypass. 

• Experience with configuration management and orchestration tools like Ansible and Jenkins. 

• Experience with bare metal provisioning via PXE/Kickstart.
• Experience with Git, CI/CD pipelines, IaC, and code review workflows. 

Working environment:

• Thursday–Monday schedule (including weekend coverage).
• Hybrid role with 3 in-office days per week.