Linux System Engineer

A leading financial services firm within the capital markets and trading technology space is seeking a Linux Engineer to support and evolve a large-scale, performance‑critical infrastructure environment. This role supports systems that power global trading and market operations, where reliability, automation, and low latency are paramount.

You will help design, build, and support a massive enterprise Linux environment spanning 11,000+ servers across 100+ data centers
. The infrastructure is a hybrid of on‑prem and cloud
, with a strong emphasis on automation‑first operations
. Roughly 50% of the role is focused on Python‑based automation
, improving stability, efficiency, and scalability in a high‑availability environment.

• Support and troubleshoot Linux systems in a large, mission‑critical enterprise environment
• Develop and maintain automation using Python, Ansible, Bash, and shell scripting
• Optimize system performance, reliability, and latency
• Manage configuration changes, system updates, and operational requests
• Partner with engineering teams to improve infrastructure tooling and processes
• Contribute to capacity planning and long‑term infrastructure improvements

• 5+ years of experience in enterprise Linux environments
• Strong on‑prem Linux experience (not cloud‑only); comfortable in mixed environments
• Hands‑on experience with Ansible and configuration management
• Experience supporting large‑scale, performance‑sensitive systems
• Solid understanding of Linux systems, networking fundamentals, and system tuning

• Work directly on financial market infrastructure where performance and uptime matter
• Exposure to large‑scale, globally distributed systems
• Highly technical environment with strong investment in automation and infrastructure
• Opportunity to make a visible impact within a sophisticated engineering organization

• Mid‑Senior level

• Full‑time

• Information Technology

• Staffing and Recruiting

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