Linux System Administrator - Banking & Finance

Hamilton Barnes Associates Limited; Montreal; On-site; CAD 139,000 - 279,000; Full time

Job summary

A leading global quantitative trading firm is seeking a Senior Network Engineer to support its ultra-low-latency trading infrastructure. The successful candidate will maintain large-scale Linux systems, provide operational support for high-performance computing, and improve automation tools. Candidates should have strong Linux systems administration skills and proficiency in Python. Salary is between $100,000 - $200,000 plus bonus.

Qualifications

• Strong background in Linux systems administration in performance-sensitive environments.
• Experience with automation and monitoring tools in large-scale deployments.
• Deep understanding of Linux internals and OS-level concepts.

Responsibilities

• Maintain, support, and improve large-scale Linux systems used in trading and research environments.
• Provide operational support for high-performance computing (HPC) infrastructure.
• Diagnose and resolve complex performance issues across the Linux server environment.

Skills

Linux systems administration

Automation tools

Monitoring tools

Python proficiency

Networking protocols

Tools

Docker

Kubernetes

Job description

A leading global quantitative trading firm, is seeking a Senior Network Engineer to support its ultra-low-latency trading infrastructure. Headquartered in New York, Tower designs and deploys high-performance systems that enable real-time trading across global markets.

The successful candidate will take ownership of a large-scale Linux-based environment that supports both latency-sensitive trading platforms and high-performance compute clusters. This position demands deep technical expertise, a proactive problem-solving mindset, and close collaboration with engineering and operations teams.

This is a unique opportunity to join a technically elite team at the forefront of quantitative trading. Apply now to help architect and maintain the infrastructure that powers one of the world’s most sophisticated trading operations.

Overview

Responsibilities

• Maintain, support, and improve large-scale Linux systems used in trading and research environments
• Provide operational support for high-performance computing (HPC) infrastructure
• Respond to incidents, implement infrastructure updates, and carry out planned deployments
• Diagnose and resolve complex performance issues across the Linux server environment
• Develop and improve automation tools for provisioning, configuration, and monitoring of large-scale server fleets

Required Skills and Experience

• Strong background in Linux systems administration in performance-sensitive environments
• Experience with automation and monitoring tools in large-scale deployments
• Deep understanding of Linux internals and OS-level concepts
• Proficiency in Python is required
• Solid understanding of networking protocols and services in Linux environments

Preferred Qualifications

• Experience with containerization and orchestration tools (e.g., Docker, Kubernetes)
• Familiarity with hybrid and public cloud environments
• Proven ability to troubleshoot under pressure in a dynamic environment

Salary

• $100,000 - $200,000 + bonus