Linux & Infrastructure Systems Administrator - Hybrid Cloud

Aspect Capital; Greater London; On-site; GBP 48,000 - 64,000; Full time

Job summary

Aspect Capital, a London-based award-winning systematic hedge fund, is seeking a Systems Administrator to join our Infrastructure team. The role focuses on supporting production infrastructure across Linux and mixed platforms, with 2–5 years of experience preferred.

You will work across virtualization, storage, networking, cloud services, and automation tooling to maintain reliable systems and contribute to best practices.

Qualifications

• 2–5 years of experience supporting production infrastructure.
• Strong Linux administration skills incl. Ubuntu and RHEL.
• Experience in mixed Linux and Microsoft environments.
• Experience with scripting/automation.
• Familiarity with AD/DNS/DHCP.

Responsibilities

• Supporting Linux systems and infrastructure services across a mixed Linux (Ubuntu and RHEL) and Microsoft environment
• Assisting with the deployment, maintenance and improvement of servers and infrastructure services
• Troubleshooting system, application, performance and availability issues
• Working with automation and configuration management tooling
• Supporting virtualisation, storage, networking and cloud-based services
• Contributing to documentation, monitoring and operational best practices

Skills

Linux admin

Active Directory

Scripting

Cloud exposure

Windows environments

Tools

Puppet

Ansible

TeamCity

Jenkins

Git

Docker

Grafana

Terraform

Kubernetes

Artifactory

Job description

Aspect Capital, a London-based award-winning systematic hedge fund, is seeking a Systems Administrator to join our Infrastructure team. The role focuses on supporting production infrastructure across Linux and mixed platforms, with 2–5 years of experience preferred.

You will work across virtualization, storage, networking, cloud services, and automation tooling to maintain reliable systems and contribute to best practices.