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Cybersecurity Engineer

Jane Street· Cybersecurity
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Hybrid (London)Full-timePosted 3w ago

About the role

Cybersecurity Engineer in London responsible for developing and using monitoring tools, incident response and remediation, and promoting cybersecurity best practices across the firm.

Responsibilities

  • Develop and use monitoring tools to guard the firm, as well as handling incident response and remediation when a threat is found.
  • Carefully consider context in unstructured investigations to locate and repair the source of security issues.
  • Act as an ambassador of best practices to the rest of the firm and promote cybersecurity hygiene across teams.

Qualifications

  • Bachelor’s degree in Computer Science, Engineering, Information Systems, or a related field
  • An avid follower of cybersecurity news
  • Strong programming ability with potential and aptitude for learning
  • Comfortable with version control and knowledge of editor
  • Familiar with threat modeling and ability to communicate tradeoffs to internal stakeholders
  • Ability to explain cybersecurity decisions and thinking
  • Ability to adapt to changing scenarios and make decisions under pressure
  • Humble and curious problem solver with collaborative attitude
  • Fluent in English

Skills

Required:ProgrammingVersion controlThreat modelingCommunicationEnglish fluency
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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