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Cybersecurity Engineer - Detection and Response

Jane Street· Cybersecurity
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Hybrid (Singapore), Hybrid (Singapore/Hong Kong)Full-timePosted 3mo ago

About the role

Cybersecurity Engineer to protect Jane Street’s employees, data and infrastructure from cyber threats in Hong Kong or Singapore, focusing on monitoring, incident response, remediation, threat hunting, and improving detection capabilities and automation.

Responsibilities

  • Develop and use monitoring tools to guard the firm, handling incident response and remediation when a threat is found.
  • Perform unstructured investigations to locate and repair the source of security issues with a methodical approach.
  • Contribute to projects to improve detection capabilities, automation and efficiencies, and perform threat hunts.
  • Act as an ambassador of best practices and promote good personal cybersecurity hygiene across the firm.

Qualifications

  • Bachelor’s degree in computer science, engineering, information systems or equivalent experience preferred
  • Familiar with threat modeling and able to communicate trade-offs to internal stakeholders
  • Strong scripting ability and capable of integrating tooling using a fully featured programming language
  • Comfortable with version control and proficient with a code editor
  • Able to explain cybersecurity decisions and adapt to changing scenarios under pressure
  • Curious, collaborative problem solver with positive attitude
  • Programming experience a plus
  • Fluent in English

Skills

Required:Scripting/programmingThreat modelingVersion controlCommunicationEnglish proficiency
Last updated Oct 25, 2026. Interested? Apply on the company site.

About Jane Street

SIX

Jane Street is a quantitative trading firm and liquidity provider with a unique focus on technology and collaborative problem solving.

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