System Administrator (Linux and Datacenter)

Quantiq; Austin (TX); On-site; USD 90,000 - 130,000; Full time

Job summary

Quantiq is seeking a System Administrator to keep internal infrastructure, both hardware and software, running smoothly and supporting the operations and software teams. You will own full life cycles from provisioning to decommission across Fedora Linux-based systems and in-house infrastructure.

The ideal candidate has 5+ years in Linux administration, strong scripting (Bash/Python), and experience with OpenLDAP/OpenVPN/FreeIPA.

Qualifications

• 5+ years Linux admin experience.
• Detail-oriented in a fast-paced environment.
• Ability to respond to off-hours emergencies.
• Excellent written and verbal communication.
• Debugging hardware, software, and networking issues.
• Bash and Python scripting ability.
• Basic networking tools experience (ping, ifconfig, telnet, wireshark, nmcli).
• Familiarity with the listed technologies is a plus.

Responsibilities

• Troubleshoot and monitor proprietary frameworks/code and third-party systems.
• Manage access credentials to applications and trading systems.
• Exhibit cautious and responsible use of sysadmin privileges.
• Make infrequent trips to Austin and Chicago datacenters to maintain hardware.
• Create, document, and enforce backup procedures and failovers in all systems.
• Run drills/trials and improve failure tolerances across infrastructure.
• Assist with onboarding new hires to in-house systems and infrastructure.

Skills

5+ years Linux admin

Attention to detail

Off-hour emergencies

Communication skills

Debugging complex issues

Bash scripting

Python scripting

Networking basics

Tools

Fedora Linux

FreeIPA

OpenLDAP

OpenVPN

DNS

ZFS

Gitea

Zulip

GRUB

PXE

Supermicro/Dell servers

Networking hardware

Job description

Quantiq specializes in high frequency derivatives trading in the largest markets worldwide. Our approach is rigorous and pragmatic, driven by technological expertise and analytics informed by real-world experience. We value employees who love to learn and have the tenacity, curiosity and willpower to contribute to our continuing success.

We are a small but passionate team, dedicated to enhancing and refining our tried and true methods as we commit to our ongoing growth and performance.

Quantiq runs considerable "in-house" infrastructure (IPA realm) consisting of 50-100 computers ranging from high performance servers and varied datacenter hardware (switches, FPGAs, fiber optic cabling), to desktop computers with dedicated GPUs and an array of monitors and peripherals across offices.

Quantiq controls the majority of the stack and creates, maintains, updates, and monitors a variety of systems to keep the company’s trading operational. Within our hardware infrastructure we run entirely on Fedora Linux and have significant first and third party software that requires occasional maintenance. This complete infrastructure has high uptime requirements to support our trading operations.

Role Description:

As a System Administrator, you will be responsible for keeping all internal infrastructure, both hardware and software, running smoothly and supporting the operations and software teams on a day-to-day basis.

You will be responsible for full system life cycles: provisioning, install and setup, asset and inventory management, maintenance, monitoring, and decommission of a variety of systems. You will also deal with vendors to acquire new hardware and deploy it. You may occasionally find yourself setting up a desktop or monitor in addition to racking servers. If the following resonates with you, we would love to welcome you to our team.

Job Responsibilities:

• Troubleshoot and monitor proprietary frameworks/code and third-party systems
• Manage access credentials to a variety of applications and trading systems
• Exhibit cautious and responsible use of sysadmin privileges
• Make infrequent trips to our Austin and Chicago datacenters to maintain hardware
• Create, document, and enforce backup procedures and failovers in all systems
• Run drills/trials and improve failure tolerances across infrastructure
• Assist with onboarding new hires to in-house systems and infrastructure

Qualifications:

• 5+ years of experience in a Linux-based admin role, or equivalent
• Attention to detail in a fast-paced environment
• Ability to respond to occasional off-hour emergencies
• Excellent organizational skills and strong written and verbal communication skills
• Exceptional capability debugging and solving complex issues related to both hardware, low level software, and networking
• Ability to perform Bash and Python scripting
• Basic networking tool experience (ping, ifconfig, telnet, wireshark, nmcli)
• Knowledge of network architecture is a plus
• Experience with the following technologies:
• • Computer hardware (such as Supermicro and Dell Servers)
  • Networking hardware
  • Fedora Linux
  • FreeIPA, OpenLDAP, OpenVPN
  • DNS
  • ZFS
  • Gitea, Zulip
  • GRUB, PXE

*Note: You are not expected to know every technology listed but experience in all is a plus

Please note: The use of AI tools during applications, assessments, and interviews is strictly prohibited. Quantiq utilizes various methods to determine candidate authenticity. Use of these tools at any time may result in the disqualification of your candidacy.