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Open nowFirst seen 3 days ago

Senior Systems Engineer

IO TECH SOLUTIONS LIMITED787 open roles

Where
Hong Kong, Hong Kong SAR, Hong Kong
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Your applicationOpen nowSenior Systems EngineerIO TECH SOLUTIONS LIMITED · Hong Kong, Hong Kong SAR, Hong Kong

  1. YouYes, apply to this one.

  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

  4. CV RocketApplied on IO TECH SOLUTIONS LIMITED's own form.

The reply lands in your private mailbox

3×more interviews than doing it yourself with ChatGPT.

The clock on this job

Early applications get read.

12.1% of postings close within 7 days. Measured by our own scanner across the market.

Share of postings closed within
  1. 2.1%1 day
  2. 4.5%3 days
  3. 12.1%7 days
  4. 19.1%14 days
  5. 35.6%30 days
  6. 52.7%60 days
This job: first seen 3 days ago

The posting

This role focuses on building, optimizing, and supporting high-performance infrastructure for mission-critical, low-latency systems. The ideal candidate has strong expertise in Linux, cloud platforms, automation, and performance tuning, with the ability to operate confidently in fast-paced production environments.

  • Expertise in OS kernel tuning, including cgroups, IRQ affinity, and low-latency optimization for trading workloads on both cloud and physical environments.
  • Hands-on experience managing cloud infrastructures (AWS, Alibaba Cloud, Oracle Cloud) including setup, configuration, and maintenance.
  • Strong background in infrastructure automation using tools such as Terraform, Ansible, and custom scripting.
  • Advanced Linux system administration and deep troubleshooting skills.
  • Proven ability to support production environments, including incident response and rapid issue resolution.
  • Excellent communication skills, with the ability to interface effectively with senior and executive management (including preference for off-hour support when required).
  • Ability to produce clear documentation and perform effective knowledge transfer.

Good to have:

  • Understanding of networking fundamentals, leased lines, and techniques for optimizing latency.
  • Experience setting up and enhancing monitoring and alerting systems.
  • Familiarity with multi-cloud ecosystems (AWS, Alibaba Cloud, Oracle Cloud, Azure).
  • Knowledge of performance benchmarking, analysis, and testing methodologies.
  • Experience using JIRA and Confluence for project tracking and documentation.
  • Awareness of financial trading system workflows and requirements.
  • Experience with hardware setup, configuration, and troubleshooting.
  • Experience in vendor management and external communication.
  • Mentoring capabilities and leadership experience within technical teams.
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  1. A CV for this posting

    Written against IO TECH SOLUTIONS LIMITED's own wording, from every piece of relevant proof in your profile.

  2. 25 readers review it

    Recruiter, hiring manager, skeptic and more read every draft, round after round. You get the best round.

    The review screen in CV Rocket: how each CV was read, round by round.

  3. We apply on IO TECH SOLUTIONS LIMITED's form

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    An application in CV Rocket: every answer filled in on the employer's form.

  4. Every reply, sorted

    IO TECH SOLUTIONS LIMITED's answer lands in your private mailbox, and we classify it on arrival: interview, question, rejection.

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  5. Reply with AI

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    An interview invitation in the CV Rocket inbox, added to the candidate's calendar.
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