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Low Latency UNIX / Linux Engineer (Top US Buy-Side)

Infrastructure & Cloud

30 January 2023

Hong Kong

Our client, one of the top US Buy Side firms, is urgently looking for a Senior UNIX / Linux Engineer to join their dedicated team of technologists responsible for managing and supporting their electronic trading infrastructure. This is a technical and hands-on role with great potential and remuneration.


  • Manage and support the firm's electronic trading infrastructure (including Linux / RHEL, virtualisation, low latency trading, Linux tuning etc.) in a global infra environment.

  • Hands-on UNIX / Linux: installation, configuration, troubleshooting, performance tuning and automation for the production trading environment.

  • Monitoring the performance and health of the critical production trading environment.

  • Work closely with engineers, devs, and other colleagues to find solutions to complex problems, including off-hours, weekends and holidays for support (when required).


  • At least 6 to 8+ years' UNIX / Linux systems administration experience in UNIX, Linux, and RHEL in a Bank / Financial Institution.

  • In-depth OS knowledge (operating systems processes, performance tuning, kernel bypass); as well as experience covering x86 hardware and low latency networking interfaces.

  • Hands-on scripting, automation and (Bash, Python, Perl / Powershell) and system tooling.- Configuration Management (Chef, Puppet, Ansible, Terraform).

  • Bachelor's degree in Computer Science, Engineering (or related).

  • Good English communication skills.

  • Knowledge and experience with Cloud Platforms (AWS, GCP, Azure), Storage (SAN / NAS / iSCSI), Windows-Linux interaction, and RHCE certification is a definite advantage.

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