> Markdown version of [/jobs/ext/4663964-linux-systems-administrator](https://www.wearedevelopers.com/jobs/ext/4663964-linux-systems-administrator). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Linux Systems Administrator

- **Company:** Five Rings Llc
- **Location:** London, United Kingdom
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Bash Shell, Ubuntu (Operating System), Computer Maintenance, Data Centers, Debian Linux, Linux, Perl (Programming Language), Python (Programming Language), Kernel-Based Virtual Machine, Linux System Administration, Windows Servers, Productivity Software, Ansible, Security Software, SQL Databases, Zabbix, Scripting
- **Published:** November 11, 2026
- **Apply:** https://startup.jobs/experienced-lateral-linux-systems-administrator-five-rings-llc-8312885

## About the Role

* Fluency in Linux administration is a must
 * Experience in Debian/Ubuntu preferred
 * Strong communication skills
 * A demonstrated ability to work tasks to completion and tolerate frequent context switches
 * Experience with:
 + BIND
 + Ansible
 + Linux KVM
 + Zabbix
 + Google workplace collaboration and productivity tools
 + Some Windows administration skills are a plus, but not required
 * Experience scripting in bash and python is preferred, SQL and Perl a plus
 * Knowledge of cybersecurity tools including 2FA, iptable rulesets, Malwarebytes, fail2ban, etc.
 * Ability to move and install equipment weighing up to 50lbs
 * Preference to apply a breadth of experience towards varied responsibilities in a small-shop environment
 * Comfortable with hands-on work, racking and stacking in datacenters is commonplace

## Description

We are seeking a hands-on professional for our growing systems administration team.

Systems Administrators are responsible for the workstations and servers of our rapidly expanding trading operations. In addition to all systems work both on the desktops and in the datacenters, Five Rings Systems Administrators frequently interact with users at various levels all across our organization.

We are a Linux shop both on the server side and the trader desktops.

Our firm runs Windows servers very rarely and Windows desktops as needed., * Installations of workstations on our trading floors and in offices

 * Installations of servers and networking appliances in data centers, sometimes requiring travel

Additional tasks include:

 * Hardware maintenance
 * Large-scale build-outs, sometimes requiring travel, both domestic and international
 * Installations of office appliances such as printers, phones, televisions, etc.