Cybersecurity Engineer - Threat Modelling

3 Hours ago • All levels

Job Summary

Job Description

The Cybersecurity Engineer will join the Cybersecurity team to enhance the security posture of applications, data, infrastructure, and processes. The role requires technical expertise to identify and fix vulnerabilities and people skills to collaborate with teams, analyze security implications, and integrate security into applications. The engineer will use their offensive background to identify threats, build tailored security solutions, and develop creative approaches to complex challenges. The role also involves threat modeling skills and communication with system owners to identify and resolve vulnerabilities, balancing security controls with business needs. The Cybersecurity team focuses on software engineering, DevOps, risk analysis, security governance, and cyber awareness.
Must have:
  • Offensive security background
  • Build and implement secure solutions
  • Evaluate security tradeoffs and make risk-based decisions
  • Excellent communication and collaboration skills
  • Ability to teach others about threat modeling
  • Strong Linux background and scripting skills
  • Comfortable taking accountability and documenting rationale
  • Fluency in English required
Good to have:
  • Proficiency in any programming language is a plus

Job Details

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
  • Fluency in English required

If you're a recruiting agency and want to partner with us, please reach out to agency-partnerships@janestreet.com.

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About The Company

Jane Street is a quantitative trading firm with offices in New York, London, Hong Kong, Singapore, and Amsterdam. We are always recruiting top candidates and we invest heavily in teaching and training. The environment at Jane Street is open, informal, intellectual, and fun. People grow into long careers here because there are always new and interesting problems to solve, systems to build, and theories to test.



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