- Company: Janestreet
- Location: London, UK, UK
- Salary: Pay not listed
Janestreet at a glance
janestreet.com- Founded 2013
Cybersecurity Engineer at Janestreet in London, UK, UK - Full Time, No Remote
Role Overview
We are seeking a full-time Cybersecurity Engineer to join our team in London, UK, UK. This role involves protecting our company's people, data, and infrastructure from cyber threats. You will work on firm-wide security defenses, provide expert advice to other groups, lead cybersecurity awareness initiatives for employees, and handle incident response responsibilities.
Core Duties
- Contribute to the development of comprehensive firm-wide security measures.
- Provide technical expertise and guidance to various departments on cybersecurity best practices.
- Lead and participate in employee cybersecurity awareness programs.
- Respond to and manage incidents, conducting thorough analysis and implementing corrective actions as needed.
Requirements
- Strong scripting or programming skills with experience in automating tasks using real programming languages.
- Able to manage code and configurations in version control systems.
- Familiarity with a preferred text editor (though the specific one is not critical).
- A balanced approach to cybersecurity, understanding trade-offs and context.
- Practicing good personal cybersecurity hygiene, such as using password managers or comparable solutions, and able to explain your choices.
About Janestreet
Janestreet is a leading financial services company dedicated to providing innovative technology solutions. Our team of experts works collaboratively to ensure the security and integrity of our operations.
Applying for This Role
We are looking for someone who has a strong technical foundation, is not afraid to build tools themselves, brings good taste to solving security problems, and can explain the rationale behind security practices. If you meet these criteria, we would love to hear from you.
To apply, complete your application directly on this page, or you'll be redirected to the employer's application platform to finish submitting there.You’ll finish your application on the employer’s website. We don’t ask for a resume on this page.
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What people say about Janestreet
Recent news
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Aggregated from public discussions and news; opinions are the authors’ own.
Working in London, UK, UK
Weather right now in London, UK, UK: checking… · Local time: · Air quality: · Daylight: · UV index: · Wind: · Pollen:
London, UK is the capital and largest city of England and the United Kingdom, with a population of 9.1 million people in 2024. Its wider metropolitan area is the largest in Western Europe, with a population of 15.4 million. London, UK stands on the River Thames in southeast England, at the head of a 50-mile (80 km) tidal estuary down to the North Sea, and has been a major settlement for nearly 2,000 years. Its ancient core and financial centre, the City of London, UK, was founded by the Romans as Londinium and has retained its medieval boundaries. The City of Westminster, to the west of the City of London, UK
England is a country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and more than 100 smaller adjacent islands. England shares a land border with Scotland to the north and another land border with Wales to the west, and is surrounded by the North Sea to the east, the English Channel to the south, the Celtic Sea to the south-west, and
- Elevation 18m (59 ft)
Source: Wikipedia (state)
About this role & career path
Traits that fit this role
- Initiative
- Innovation
- Perseverance
- Adaptability
- Achievement Orientation
Source: O*NET Work Styles (Distinctiveness Rank).
Typical preparation needed: Job Zone 4: Considerable Preparation Needed. Most of these occupations require a four-year bachelor's degree, but some do not. — via O*NET
Industry news
- The Great Coding Reset: How AI is changing software engineering - Business Insider
- ‘AI code apocalypse’ hasn’t hit engineers as hard as the industry may think - IT Brew
- I was a software engineer who couldn't get excited about AI. Now I'm studying to be a nurse. - Business Insider
Source: O*NET (public-domain bulk data)
Salary & compensation
Workers in Computer & Mathematical occupations earn a national median of $98,769 — via US Census ACS / Data USA
Job details above are provided by the employer/source. The sections on this page are compiled from public data sources with AI assistance.
Accommodations: if you need a workplace accommodation to apply for or perform this job, see ADA.gov or EEOC.gov for guidance on your rights and how to request one.
Listing facts
- Role Cybersecurity Engineer
- Employer Janestreet
- Location London, UK, UK
- Type Full Time
- Pay (from listing) Pay not listed
- Posted August 2, 2026
- Apply by September 1, 2026
- Overview Full job description on this page (275 words)
Facts above come from this job record on Get A Job.AI — not copied from third-party review sites.
Typical work in Cybersecurity Engineer
Independent occupational context from O*NET (U.S. public-domain labor data). This is about the occupation, not a rewrite of this employer's posting.
- Develop plans to safeguard computer files against accidental or unauthorized modification, destruction, or disclosure and to meet emergency data processing needs.
- Monitor current reports of computer viruses to determine when to update virus protection systems.
- Encrypt data transmissions and erect firewalls to conceal confidential information as it is being transmitted and to keep out tainted digital transfers.
- Perform risk assessments and execute tests of data processing system to ensure functioning of data processing activities and security measures.
- Modify computer security files to incorporate new software, correct errors, or change individual access status.
- Review violations of computer security procedures and discuss procedures with violators to ensure violations are not repeated.
Public discussions & open sources
Attributed public threads and profiles — not employee reviews or star ratings.
- Hacker News — Introducing Incremental
- Hacker News — Introducing Incremental
- Hacker News — Introducing Incremental
- Hacker News — Introducing Incremental
Cached public sources (Hacker News, Dev.to, GitHub, etc.).
Employer website
Explore related openings
5 other opening(s) at Janestreet on Get A Job.AI
- IT Security Engineer
- Front End Software Engineer
- Data Engineer
- Data Centre Engineer
- Cybersecurity Analyst
Occupation family: Cybersecurity Engineer
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