Linux Engineer

Neutral Street; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Neutral Street is seeking a seasoned architect to optimize a high-performance Linux environment for trading systems. The role focuses on latency, throughput, security, and reliability of OS configurations.

You will tune the kernel, automate provisioning, diagnose complex performance issues, and evaluate new server architectures, collaborating with operations and security teams to ensure robust infrastructure.

Qualifications

• Deep expertise in Linux internals (networking, memory management, scheduling).
• Experience with configuration management (Ansible, Puppet).
• Knowledge of TCP/IP and Multicast networking.

Responsibilities

• Tune the Linux kernel for ultra-low latency and maximum throughput.
• Automate infrastructure provisioning and configuration management.
• Diagnose complex system-level performance issues.
• Manage hardware lifecycles and evaluate new server architectures.

Skills

Linux kernel internals

Networking protocols

Performance tuning

System troubleshooting

Tools

Ansible

Puppet

Job description

Architect and manage our high-performance Linux environment. You will ensure our trading systems run on the most optimized, secure, and reliable OS configurations possible.

Responsibilities

• Tune the Linux kernel for ultra-low latency and maximum throughput
• Automate infrastructure provisioning and configuration management
• Diagnose complex system-level performance issues
• Manage hardware lifecycles and evaluate new server architectures

Requirements

• Deep expertise in Linux internals (networking stack, memory management, scheduling)
• Experience with configuration management (Ansible, Puppet, or similar)
• Knowledge of networking protocols (TCP/IP, Multicast)