Systems Administrator (Linux & Infrastructure)

About Aspect Capital

Aspect Capital is an award-winning systematic hedge fund based in London that manages over $9 billion of client assets. Technology plays a critical role in the success of our business. Our team supports a diverse technology estate spanning Linux and Microsoft platforms, virtualisation, networking, storage, cloud services and automation tooling.

The Role: We are looking for a Systems Administrator to join our Infrastructure team. This role is ideal for someone with 2-5 years' experience supporting production infrastructure who enjoys working across a broad range of technologies, particularly Linux, while also being comfortable in mixed-platform environments.

Key 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

Requirements: Essential:

- 2-5 years' experience supporting production infrastructure environments - Good Linux administration skills, including services, networking, permissions, filesystems and logging - Experience working in mixed Linux and Microsoft environments - Experience supporting physical, virtual or cloud-based infrastructure - Familiarity with Active Directory, DNS, DHCP and authentication services - Experience with scripting or automation using Bash, PowerShell or Python

Desirable:

- Experience with configuration management or automation tooling such as Puppet, Ansible or similar - Exposure to AWS or other cloud platforms - Familiarity with Active Directory-integrated Linux environments - Experience with tools such as TeamCity, Jenkins, Artifactory, Git, Docker, Grafana, Terraform or Kubernetes would be beneficial but is not required.

If this sounds like a role you’d be interested in, we would love to hear from you. No agencies, please.