Senior Linux System Engineer - London

IO TECH SOLUTIONS LIMITED; City Of London; On-site; GBP 75,000 - 90,000; Full time

Job summary

A technology solutions provider is seeking a Senior System Engineer to enhance cloud infrastructure and ensure system stability. The ideal candidate has over 10 years of experience in Linux production environments, with strong expertise in Terraform, Bash, and Python. Responsibilities include providing technical support, optimizing network performance, and participating in design projects.

Qualifications

• 10+ years of experience in Linux production environments.
• Strong knowledge of modern Linux systems and systems programming concepts.
• Extensive hands-on experience with Terraform, Bash, and Python.

Responsibilities

• Provide technical support for the production environment.
• Optimize infrastructure architecture in cloud environments.
• Debug kernel-level performance issues.

Skills

Linux production environments

Cloud infrastructure

Terraform

Bash

Python

Systems programming concepts

Education

Bachelor's degree in Computer Science or equivalent

Job description

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.