DevOps Engineer

Zapier Inc.; Austin, Northern (TX, KY); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Quantiq, a high-frequency derivatives trading firm, seeks a DevOps Engineer in Austin (in-office) to join a small, technically driven team responsible for deploying pipelines, automating processes, and optimizing Fedora-based infrastructure used in live trading.

The role requires deep Linux expertise, scripting in Python and Bash, and hands-on work with hardware like FPGAs and high-speed networking to minimize latency.

Qualifications

• 5+ years in a DevOps, Systems Engineering, or related role
• Proven ability to build, optimize, and scale Linux-based infrastructure
• Strong scripting and automation skills (Python, Bash, C++)
• Excellent written and verbal communication
• Ability to respond to occasional off-hour emergencies
• Knowledge of network architecture and performance tuning
• Experience with networking tools (ping, ifconfig, telnet, wireshark, nmcli)

Responsibilities

• Analyze current systems, identify gaps, and lead improvements for performance and scalability
• Fine-tune Linux kernel and user-space to minimize latency
• Design and manage real-time networking configurations for low-latency trading
• Implement automation solutions using scripting languages
• Work with hardware (FPGAs, high-speed switches) to optimize latency
• Develop and document backup procedures and failover strategies
• Respond to operational issues and requests from teams

Skills

Linux systems

Scripting (Python, Bash)

C++

Networking (low-latency)

Troubleshooting

Communication

Latency optimization

Tools

FreeIPA

OpenLDAP

OpenVPN

DNS

ZFS

Gitea

Zulip

GRUB

PXE

wireshark

nmcli

ping

ifconfig

telnet

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.

We control the majority of the stack and create, maintain, update, and monitor a variety of systems to keep the company's trading running smoothly. Our hardware infrastructure operates entirely on Fedora Linux and incorporates significant first- and third-party software requiring occasional maintenance. This complete infrastructure has high uptime requirements to support our critical trading operations.

DevOps Engineer

Austin, Texas (In-Office)

Role Description:

As a DevOps Engineer, you’ll be at the forefront of transforming and enhancing our infrastructure. You will collaborate with the Operations and Technical teams to improve our deployment pipelines, automate processes, and elevate our infrastructure.

This position requires strong Linux expertise, automation skills, and a deep understanding of network configurations and performance tuning for low-latency applications. If the following resonates with you, we would love to welcome you to our team.

Job Responsibilities:

• Analyze current systems, identify gaps, and spearhead improvements to optimize performance and scalability
• Fine-tune Linux systems (kernel and user-space) to minimize latency and improve reliability
• Design and manage real-time, low-latency networking configurations, adjusting kernel parameters, IRQ affinities, and CPU pinning as necessary
• Implement automation solutions using scripting languages (e.g., Bash, Python)
• Work with specialized hardware (FPGAs, custom network cards, high-frequency switches) to optimize latency in trading systems
• Develop and document backup procedures and failover strategies, conducting drills to improve failure tolerance
• Respond to issues and requests from the Operations and Technical teams

Qualifications:

• 5+ years of experience in a DevOps, Systems Engineering, or related role
• Proven ability to build, optimize, and scale Linux-based infrastructure
• Excellent organizational skills and attention to detail in fast-paced environment
• Strong written and verbal communication skills
• Ability to respond to occasional off-hour emergencies
• Strong scripting and automation skills (Python, C++, Bash)
• Exceptional capability debugging and solving complex issues related to both hardware, low level software, and networking
• Knowledge of network architecture
• Basic networking tool experience (ping, ifconfig, telnet, wireshark, nmcli)

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