We are looking for a
Linux Administrator
to join our HFT team. This role manages and optimizes
bare-metal Linux servers
that power our trading systems. It’s not regular IT infrastructure — here, microseconds matter, and the focus is on
performance tuning and stability
. You’ll work closely with systems connected directly to stock exchanges, handling real-time market data and order flow.
Stability and low latency
during live market hours are extremely critical. This is a high-ownership role. During market hours, the systems must be extremely secure. You’ll be involved in
monitoring, troubleshooting, and resolving issues quickly
because downtime directly impacts trading. You’ll work very closely with developers, quants, and trading teams to optimize infrastructure performance and support recent strategy deployments.
Responsibilities
Perform regular health checks and monitoring of overall infrastructure
Configure, deploy, and manage Linux services on bare-metal servers
Manage and maintain SLURM clusters and distributed storage system




Handle networking setup including routing, VLANs, bonding, and NIC tuning
Server provisioning, OS installation, and infrastructure standardization
Manage drivers, packages, kernel modules, and firmware updates
Perform performance tuning, overclocking, and low-latency optimizations
Benchmark different kernels, server configurations, and hardware setups
Automate routine operational tasks using scripts and configuration tools
Troubleshoot system, network, and performance-related issues Required Skills
Hands-on experience with Linux system administration (RHEL/CentOS/Rocky/Alma)
Basic understanding of server hardware, BIOS, firmware, and networking
Knowledge of networking concepts such as TCP/IP, routing, and VLANs
Shell scripting (Bash); Python is a plus
Exposure to automation tools like Ansible or similar
Familiarity with performance and benchmarking tools (fio, iperf, sysbench, perf)

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