Trading Systems Linux Engineer - HFT Firm (Hong Kong)

Our client is a leading High Frequency Trading Firm. We are seeking a seasoned Trading Linux Engineer to join the firm's infrastructure team. In this role, you’ll design, optimize, and maintain ultrafast Linux environments that power mission-critical trading applications. You’ll collaborate closely with traders, quantitative researchers, and network engineers to ensure the systems deliver microsecond-level responsiveness and rock-solid reliability.

Key Responsibilities

- Architect, deploy, and manage low-latency Linux servers and network stacks across multiple global data centers

- Tune Linux kernels, TCP/IP parameters, and NIC firmware to minimize jitter and latency

- Automate system provisioning, configuration, and deployment using tools like Ansible, Puppet, or SaltStack

- Develop and maintain monitoring, alerting, and performance dashboards (e.g., Grafana, Prometheus, InfluxDB)

- Troubleshoot production incidents, perform post-mortems, and implement root-cause mitigations

- Collaborate with FPGA, network, and application teams to integrate kernel-bypass technologies (DPDK, Solarflare Onload)

- Write tooling and scripts in Bash, Python, or C/C++ to support infrastructure tasks

Qualifications and Skills

- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field

- 5–7 years of hands-on experience in Linux systems engineering—ideally within a trading or ultra-low-latency environment

- Deep expertise in Linux kernel tuning, performance profiling (perf, ftrace), and network optimizations

- Proficiency in scripting and development with Bash, Python, and C/C++

- Familiarity with containerization (Docker), lightweight virtualization (KVM), and orchestration (Kubernetes)

- Experience with high-performance networking: RDMA, InfiniBand, Solarflare/Exablaze NICs

- Strong troubleshooting skills under production pressure

- Excellent communication and cross-team collaboration abilities

Nice-to-Have

- Exposure to FPGA-based acceleration or kernel-bypass stacks (DPDK, eXpress Data Path)

- Knowledge of market data feeds, order entry protocols (FIX, OUCH, ITCH)

- Experience with time-series databases (kdb+, InfluxDB) and real-time analytics

- Understanding of financial markets, trading strategies, and risk management principles

If this outstanding opportunity sounds like your next career move, please send your resume in Word format to Esther Liao at and put Trading Systems Linux Engineer - HFT Firm in the subject header. Data provided is for recruitment purposes only.

Pinpoint Asia is the leading specialist Financial IT recruitment firm in the Asia Pacific region. Visit Pinpoint Asia’s website at http://www.pinpointasia.com today to see other exciting job opportunities.