Five Rings Logo

Five Rings

Experienced/Lateral - Linux Systems Administrator

Reposted 6 Days Ago
Be an Early Applicant
Easy Apply
In-Office
London, Greater London, England, GBR
Junior
Easy Apply
In-Office
London, Greater London, England, GBR
Junior
The role involves managing workstations and servers, installing systems, performing hardware maintenance, and handling operational tasks in trading environments.
The summary above was generated by AI

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
  • 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

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.

Top Skills

2Fa
Ansible
Bash
Bind
Debian
Fail2Ban
Google Workplace Collaboration
Iptable
Linux
Linux Kvm
Malwarebytes
Perl
Python
SQL
Ubuntu
Zabbix

Similar Jobs

An Hour Ago
Remote or Hybrid
United Kingdom
Senior level
Senior level
Big Data • Fintech • Information Technology • Business Intelligence • Financial Services • Cybersecurity • Big Data Analytics
The Strategic Senior Account Director will manage relationships with senior stakeholders, drive revenue growth, negotiate contracts, and align TransUnion solutions to client needs.
Top Skills: Salesforce
An Hour Ago
Hybrid
London, Greater London, England, GBR
Senior level
Senior level
Big Data • Fintech • Information Technology • Business Intelligence • Financial Services • Cybersecurity • Big Data Analytics
The Senior Engagement Manager will lead analytics-driven consulting engagements in banking and fintech, managing clients, driving business growth, and shaping analytical solutions.
Top Skills: CloudPythonSQL
Junior
Big Data • Fintech • Information Technology • Business Intelligence • Financial Services • Cybersecurity • Big Data Analytics
Coordinate customer service incidents related to fraud and identity theft, providing assistance, managing expectations, and ensuring effective communication with clients and internal teams, while maintaining accurate documentation.

What you need to know about the London Tech Scene

London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account