Site Reliability Engineer

Cititec; England; On-site; GBP 60,000 - 80,000; Full time

Job summary

A leading technology recruitment company in the United Kingdom is seeking a Mid-Senior Site Reliability Engineer. You will be building and maintaining the infrastructure that powers real-time trading for a high-frequency trading firm. The ideal candidate has over 5 years of experience in Site Reliability or DevOps and strong skills in Kubernetes and Ansible. This is a full-time role that offers competitive compensation and the opportunity to work in the fast-paced field of digital assets.

Qualifications

• 5+ years in Site Reliability, DevOps, or Platform Engineering.
• Deep experience with Kubernetes.
• Strong Ansible experience, including OS-independent roles and dynamic inventories.
• Excellent Linux (Ubuntu/Debian) administration and Terraform skills.
• Proficient in Python for automation, data integration, and API work.
• Hands-on experience with Git, CI/CD, and GitHub Actions.
• Strong understanding of system security, networking, and monitoring.
• Collaborative, ownership-driven mindset with the drive to deliver measurable impact.
• Prior exposure to FinTech, digital assets, or crypto trading is highly advantageous.

Responsibilities

• Build and maintain the infrastructure that powers real-time trading, research, and analytics.
• Work closely with traders, quants, and developers to ensure system reliability and performance.

Skills

Site Reliability

DevOps

Platform Engineering

Kubernetes

Ansible

Linux Administration

Terraform

Python

Git

CI/CD

System Security

Networking

Monitoring

Education

Degree in Engineering, Computer Science, or a related quantitative field

Job description

Base pay range

Direct message the job poster from Cititec

Cititec is partnering with a leading high-frequency trading firm that’s redefining the frontier of digital asset markets. Their Digital Assets team combines quantitative research, cutting-edge infrastructure, and deep trading expertise to compete at scale in some of the world’s most fast-paced electronic markets.

The Role

You’ll be a key part of the firm’s Digital Assets trading platform building and maintaining the infrastructure that powers real-time trading, research, and analytics.

You’ll work closely with traders, quants, and developers to ensure the systems are ultra-reliable, scalable, and secure, while continuously pushing performance boundaries across multiple cloud and bare-metal environments.

Skills & Experience

• Degree in Engineering, Computer Science, or a related quantitative field.
• 5+ years in Site Reliability, DevOps, or Platform Engineering.
• Deep experience with Kubernetes
• Strong Ansible experience, including OS-independent roles and dynamic inventories.
• Excellent Linux (Ubuntu/Debian) administration and Terraform skills.
• Proficient in Python for automation, data integration, and API work.
• Hands-on experience with Git, CI/CD, and GitHub Actions.
• Strong understanding of system security, networking, and monitoring.
• Collaborative, ownership-driven mindset with the drive to deliver measurable impact.
• Prior exposure to FinTech, digital assets, or crypto trading is highly advantageous.

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Information Technology

Industries

• Capital Markets and Investment Management