Linux Engineer | Low-Latency, High-Impact Systems | FinTech

Caspian One; Greater London; On-site; GBP 55,000 - 80,000; Full time

Job summary

A leading company is seeking a Linux Engineer to join their high-performance platform engineering team. This role involves managing Linux environments, optimizing systems for low-latency trading, and improving infrastructure for resilience and performance. The ideal candidate will have extensive experience in Linux engineering and strong scripting skills, contributing to critical infrastructure supporting global trading operations.

Qualifications

• 5+ years of Linux engineering experience in high-performance environments.
• Strong scripting skills in Python and Bash.

Responsibilities

• Manage and optimize Linux environments.
• Build and maintain IaC and automation pipelines.

Skills

Linux engineering

Scripting

Networking

Automation

Tools

Ansible

Terraform

Prometheus

Grafana

ELK

Git

CI/CD

Docker

Kubernetes

AWS

Job description

This range is provided by Caspian One. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

Direct message the job poster from Caspian One

DevOps, SRE, and Data Engineering | Supporting FinTech, Healthcare, and Broadcast across Cloud, Data & GenAI

We’re hiring a Linux Engineer to join a high-performance platform engineering team driving innovation in global trading and large-scale compute infrastructure. If you're passionate about low-latency systems, automation, and solving complex engineering challenges — this is for you.

What You'll Do:

• Manage and optimize Linux environments
• Tune systems for low-latency trading and machine learning workloads.
• Build and maintain IaC and automation pipelines using Ansible, Python, and Terraform.
• Troubleshoot and refine data center operations, from networking to power and cabling.
• Continuously improve infrastructure for scale, resilience, and performance.

What You Bring:

• 5+ years of Linux engineering experience in high-performance environments.
• Strong scripting skills (Python, Bash), solid Ansible know-how.
• Expertise in networking, observability (Prometheus, Grafana, ELK), and DevOps tooling (Terraform, Git, CI/CD).
• Familiarity with containers (Docker/Kubernetes) and cloud (AWS) is a plus.
• Bonus: Experience with GPU servers or on-premise storage integration.
• Communicates clearly and acts decisively under pressure.
• Embraces automation, documentation, and long-term solutions.
• Balances independence with team-first collaboration.
• Thrives on learning, feedback, and pushing technical boundaries.

Why This Role?

You’ll directly shape critical infrastructure supporting global trading operations and cutting-edge compute platforms. Your work will reduce manual effort, increase deployment speed, and be recognized across the business as mission-critical.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Information Technology and Finance

• Industries

  Financial Services and Technology, Information and Media

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