Systems Engineer (Linux)

Founded more than 15 years ago and headquartered in Chicago, the DV Group of financial services firms has grown to more than 450 people operating throughout North America and in Europe. Since spinning out of a large brokerage firm in 2016, DV Trading has rapidly scaled as an independent proprietary trading firm utilizing its own capital, trading strategies, and risk management methodologies to provide liquidity to worldwide financial markets and hedging opportunities to commodity producers and users. Now, DV group affiliates include two broker dealers, a cryptocurrency market making firm, and a bourgeoning investment adviser.

Overview: Join our forward-thinking team as a Linux Engineer, where you will play a pivotal role in automating and optimizing our Linux server infrastructure. We are seeking a talented engineer skilled in the art of the Linux network stack, performance tuning, and storage. Someone who understands the Agile mindset and DevOps philosophies yet is not constrained by how "things are usually done" and is willing to decompose and reinvent systems, processes, and tools. In this role, you will leverage cutting-edge automation and self-service tools to ensure our servers are not only stable and reliable but also scalable to meet the demands of a rapidly evolving industry.

Responsibilities:

• Enhance and support configuration management code and automated processes to optimize performance.
• Improve and support existing programs and processes that provision bare-metal servers, transforming them from a blank slate to fully functioning Linux trading and development platforms.
• Consistently communicate status updates, ideas, and strategies with peers and stakeholders through various channels.
• Leverage data to inform strategies and decision-making with a focus on performance metrics.
• Build and refine tools that ensure our systems remain high-performing and efficient, while supporting our technology evolution in a controlled manner.
• Lead initiatives in performance tuning through hardware and OS optimization.
• Develop and maintain tooling to automate tasks related to server provisioning and storage management.
• Implement infrastructure services that adhere to infrastructure-as-code principles, ensuring seamless scalability and reliability.

Requirements:

• Bachelor's Degree in Computer Engineering or similar field of study.
• 5+ years of experience in Linux engineering, debugging, administration, and OS system provisioning (PXE/DHCP/TFTP/Grub).
• Extensive experience with configuration management at scale.
• Proficiency in a range of system/network tools and services including EBPF, tcpdump, strace, nmcli (Network Manager), systemd, ntp/ptp, lsof, nc, nmap, and NFS/S3 storage.
• Proficiency with networking fundamentals including DNS, TCP/UDP/multicast, etc.
• Deep understanding of Linux and its network stack.
• Solid understanding of storage systems and how they integrate with Linux.
• Ability to manage and implement large-scale infrastructure projects.
• You are naturally curious about hardware and software, and how these interact.
• A systematic approach to problem solving.
• You are able to clearly explain your thoughts through written and verbal communication, ask the right questions, and are not afraid to challenge or defend a strategy.
• Deep experience in performing system performance analysis and tuning.
• Experience in the use of virtualization/VMWare for compute infrastructure.