Senior Linux System Engineer - London

We are looking for a Senior System Engineer to join our client\’s London office.

Team / Role:
As a Senior System Engineer, you will:

• Provide technical support for the production environment, ensuring system stability and performance.

• Optimize infrastructure architecture in cloud environments to achieve best-in-class network performance.

• Debug kernel-level performance issues and resolve production incidents in real time.

• Tackle complex network and Linux-related challenges.

• Participate in infrastructure architecture design, including office expansion projects.

Required Skillset:

• Bachelors degree in Computer Science, Software Engineering, or a related technical discipline (or equivalent experience).

• 10+ years of experience supporting Linux production environments and working in cloud infrastructure .

• Strong knowledge of modern Linux systems and systems programming concepts (e.g., sockets, virtual memory, process lifecycle).

• Extensive hands-on experience with Terraform, Bash, and Python.

• Proven ability to estimate project work and deliver results on schedule.

• Skilled in writing clear, concise, and comprehensive documentation.

• Previous experience leading a small team is preferred.

Preferred Background:

• Prior experience at a trading firm or with trading technology environments.

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