Linux Administrator

Tech

Full Time

Onsite

Gurugram

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 current 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

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)

Valuable to have
Exposure to SLURM or HPC environments
Knowledge of distributed storage (Ceph, GlusterFS, Lustre, NFS)
Understanding of kernel tuning, NUMA, CPU pinning, and HugePages
Experience with low-latency or high-performance computing environments
Exposure to data center or bare-metal infrastructure

Disclaimer : This job posting has been aggregated from external source. Role detailscontentand availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 Linux Administrator Gurugram
🏢 Pace Stock Broking Services
📍 Gurugram