Experienced/Lateral - Linux Systems Administrator

Five Rings LLC - Careers; London; On-site; GBP 125,000 - 150,000; Full time

Job summary

An established industry player is looking for a dedicated Systems Administrator to join their dynamic team in London. This role is crucial for maintaining the workstations and servers that support their trading operations. The ideal candidate will have strong Linux administration skills and experience with tools like Ansible and Zabbix. You'll be hands-on, installing and maintaining hardware in a fast-paced environment, ensuring that the trading team has the tools they need to succeed. If you're passionate about technology and thrive in a collaborative setting, this opportunity is perfect for you.

Qualifications

• Fluency in Linux administration is essential for this role.
• Experience with scripting in bash and python is preferred.

Responsibilities

• Install workstations on trading floors and in offices.
• Install servers and networking appliances in data centers.

Skills

Linux administration

Debian/Ubuntu

BIND

Ansible

Linux KVM

Zabbix

Google workplace collaboration tools

Bash scripting

Python scripting

SQL

Perl

Cybersecurity tools

Job description

London

About Five Rings

Five Rings is a proprietary trading firm founded with a vision of combining strategy, innovation and technology to succeed in today’s global markets. With offices in New York, Boca Raton, London and Amsterdam, Five Rings trades in various domestic and international markets, both established and esoteric. Our team constantly seeks new opportunities, analyzes their risks and rewards, and creates strategies and tools to capitalize on them.

We have an open culture and encourage the flow of knowledge and ideas between all areas of the firm.

About the Role

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.

Skills & Attributes:

• Fluency in Linux administration is a must
• Experience in Debian/Ubuntu preferred
• 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

Responsibilities include:

• 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.

This role will be fully in-person based out of London.

Applicants are able to apply to multiple positions, but we strongly encourage you to only apply to your top choice.

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