Jane StreetOfficial careers listing

Posted 1mo ago

Cybersecurity Engineer - Threat Modelling

Pay

Not stated

Location

Hong Kong, Hong Kong

On site

Skills this role screens for

LinuxSecurityCybersecurity

Opens on Jane Street's site. Sign in first and we keep it in your pipeline.

Still studying?Security internships open now

Responsibilities

What you'll do

  • Uncover and remediate vulnerabilities in applications, data, infrastructure, and processes
  • Partner with various teams to analyze security implications of design decisions
  • Guide teams to build security into applications from the ground up
  • Identify threats using hands-on offensive background
  • Dive deep into technical details to build tailored security solutions
  • Develop creative approaches to complex security challenges
  • Apply practical threat modeling skills
  • Translate security principles into concrete architectural improvements
  • Partner with system owners to identify and resolve vulnerabilities
  • Balance tradeoffs between security controls and business requirements

Requirements

What they're looking for

  • Hands-on technical expertise in cybersecurity
  • People skills for partnering with various teams
  • Hands-on offensive security background
  • Ability to build and implement secure solutions from the ground up
  • Comfortable breaking down complex problems on a whiteboard
  • Hands-on approach to problem-solving and troubleshooting
  • Skilled at evaluating security tradeoffs and making risk-based decisions
  • Excellent communication skills
  • Collaborative mindset
  • Ability to teach others and transfer knowledge about threat modeling
  • Strong Linux background
  • Confident in scripting ability

Nice to have

What would help

  • Proficiency in any programming language
Full description from the employer

About the Position We're looking for a hands-on Cybersecurity Engineer to join our Cybersecurity team to strengthen the security posture of our applications, data, infrastructure, and processes. The role combines both hands-on technical expertise to uncover and remediate vulnerabilities and people skills to partner with various teams across the firm, guide teams to analyze the security implications of design decisions and guide them to build security into their applications from the ground up. The role will leverage your hands-on offensive background to identify threats and require you to dive deep into the technical details and help build tailored security solutions and develop creative approaches to complex challenges. This role will require practical threat modeling skills and the ability to translate security principles into concrete architectural improvements. The role also involves having conversations with system owners who understand their applications but may not recognize potential exploits, partnering with them to identify and help resolve vulnerabilities, and balancing tradeoffs between security controls and business requirements. As a member of the Cybersecurity team, you’ll join a skilled group of programmers and security experts dedicated to keeping the firm safe. Our work covers a wide range of topics, from software engineering and DevOps to risk analysis, security governance, and cyber awareness. About You • Offensive security background • Can help build and implement secure solutions from the ground up • Equally comfortable breaking down complex problems on a whiteboard and taking a hands-on approach to problem-solving and troubleshooting • Skilled at evaluating security tradeoffs and making risk-based decisions • An excellent communicator who thrives on talking to people and building relationships; a collaborative mindset is a must • Ability to teach others and transfer knowledge about threat modeling • Strong Linux background — you know your way around a terminal and are confident in your scripting ability • Comfortable taking accountability and able to document your decision-making rationale • Proficiency in any programming language is a plus • Fluent in English If you're a recruiting agency and want to partner with us, please reach out to agency-partnerships@janestreet.com.

Jane Street

Found on the web. You apply on the company's own site

Where this listing comes from

From Jane Street's own careers system (Greenhouse).

insiderOne never charges students to apply. Never pay anyone for an internship. Check an offer you received

Prove Linux first

This role screens for Linux. Sit a ten-minute live challenge, get a signed receipt, and the employer sees it verified on your application instead of claimed.

Prove it, then apply

Ask about this role

SCOUT, an AI agent, not a person, answers from this ad, and says so when the ad doesn't cover it. No account, and nothing you type here is kept.

More security roles

Every security role here

insiderOne University

Cybersecurity Fundamentals Associate certification opens November 2026

Free, built for roles like this one, with a certificate employers can check. The ones most asked for open first.

Tell me when it opens

Interned at Jane Street? Report what it paid

From the Wire Desk