Low-Latency Linux Infra Engineer — Bare-Metal Performance

Barak Capital; Amsterdam; On-site; EUR 90,000 - 140,000; Full time

Benefits offered by this job

Breakfast and daily meal allowance

Fresh coffee

Gym access

Travel reimbursement

Lease-a-Bike program

Job summary

Barak Capital is seeking an experienced Infrastructure Engineer to own the bare-metal Linux stack for ultra-low latency trading workloads in Amsterdam. You will drive kernel tuning, PCI/BIOS settings, and network stack optimizations, while building observability and CI/CD pipelines for repeatable deployments on physical hosts.

You should have 4+ years in Linux infrastructure or performance engineering, with hands-on experience in kernel-bypass networking, time synchronization, and performance

Qualifications

• 4+ years in Linux infrastructure, SRE, or performance engineering.

Responsibilities

• Own and optimize bare-metal Linux infrastructure end-to-end, from BIOS to app-level performance.
• Implement and maintain precision time synchronization (PTP/PPS) at scale.
• Configure and tune kernel-bypass networking for ultra-low-latency market data and order paths.
• Profile and eliminate latency across hardware, OS, and network layers.
• Build and maintain CI/CD pipelines and infrastructure-as-code for on-prem deployments.
• Collaborate with quantitative developers and trading teams to co-design infrastructure.

Skills

Linux

SRE

Performance engineering

Kernel tuning

Latency optimization

Python

Bash

Tools

Onload/DPDK

ef_vi

Perf

ftrace

eBPF

bpftrace

cyclictest

Job description

Barak Capital is seeking an experienced Infrastructure Engineer to own the bare-metal Linux stack for ultra-low latency trading workloads in Amsterdam. You will drive kernel tuning, PCI/BIOS settings, and network stack optimizations, while building observability and CI/CD pipelines for repeatable deployments on physical hosts.

You should have 4+ years in Linux infrastructure or performance engineering, with hands-on experience in kernel-bypass networking, time synchronization, and performance