Infrastructure Engineer - Linux
Core
Developing and supporting the core of a Linux environment for quantitative investment and trading software at scale.
Role type
Senior Infrastructure Engineer (Linux Systems)
Builds
Enterprise Linux environments, custom kernels, and automation for trading infrastructure.
Domain
Financial Technology / High-Performance Computing
Deliverable
infrastructure
Required skills
Linux internals (scheduler, memory management, network stack), kernel compilation and tuning, Python or Go programming, distributed systems architecture, TCP/IP and networking fundamentals, containerization and Kubernetes, low-latency tuning techniques (busy polling, huge pages, real-time kernels, isolcpus), hardware lifecycle management.
Preferred skills
Kernel bypass networking, FPGA integration, direct market access connectivity, C programming.
Technologies
Debian, Kubernetes, Python, Go, C, TCP/IP, DNS, firewalls.
Responsibilities
Improve and manage the Linux platform for performance and operational complexity, develop automation to maintain the Linux environment, solve sophisticated issues across the stack from kernel to application, lead the full lifecycle of Linux systems including hardware certification, image creation, installation, and upgrades.
Seniority
Senior, hands-on IC