System Administrator (Linux & Datacenter)

Zapier Inc.; Austin, Northern (TX, KY); Hybrid; USD 100,000 - 150,000; Full time

Job summary

Quantiq is seeking a System Administrator to maintain a Fedora-based in-house infrastructure, spanning 50-100 computers, servers, switches, GPUs, and datacenter hardware. You will manage provisioning, asset tracking, backups, monitoring, and vendor coordination to keep trading operations running smoothly.

You will occasionally travel to Austin/Chicago datacenters, troubleshoot complex issues across hardware and software, and support Operations and Technical teams in a fast-paced workspace

Qualifications

• 5+ years in a Linux-based admin role.
• Attention to detail in a fast-paced environment.
• Willingness to respond to off-hours emergencies.
• Excellent organizational and written/verbal communication skills.
• Strong debugging skills across hardware, low level software & networking.
• Bash and Python scripting ability.
• Basic networking tools experience.

Responsibilities

• Troubleshoot and monitor proprietary frameworks/code and third-party systems.
• Manage access credentials to various applications and trading systems.
• Exercise cautious, responsible use of sysadmin privileges.
• Make infrequent trips to Austin and Chicago datacenters to maintain hardware.
• Create, document and enforce backup procedures and run failovers.
• Run drills to improve failure tolerance across infrastructure.
• Assist onboarding new hires to in-house systems and infrastructure.
• Respond to issues and requests from Operations and Technical teams.

Skills

Linux admin

Scripting (Bash/Python)

Networking basics

Troubleshooting

Documentation & comms

On-call readiness

Asset management

Vendor coordination

Data center operations

Tools

Fedora Linux

FreeIPA

OpenLDAP

OpenVPN

DNS

ZFS

Gitea

Zulip

GRUB

PXE

Supermicro servers

Dell servers

Networking hardware

Job description

System Administrator (Linux and Datacenter)

Austin, Texas (In-Office)

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. 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
• Respond to issues and requests from the Operations and Technical teams

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