- Company: Janestreet
- Location: London, UK, UK
- Salary: Pay not listed
Janestreet at a glance
janestreet.com- Founded 2013
Cybersecurity Analyst at Janestreet in London, UK, UK - Full Time, No Remote
The Opportunity
We're seeking a passionate Cybersecurity Detection and Response Analyst to join our London, UK, UK office. This role is crucial for protecting Jane Street’s employees, data, and infrastructure from online threats. You will not only respond to incidents but also develop the tools and systems we use to safeguard the firm.
Responsibilities
- Act as an incident responder, detection engineer, security engineer, SOC automation engineer, threat hunter, threat modeler, and security awareness engineer.
- Research and prioritize threats for monitoring, hunt for them in our data, write code to detect them, and continuously refine the detection process.
- Maintain full control over the alerts we respond to and own all stages of the detection and response lifecycle.
- Work on engineering projects such as building SOAR systems, email content scanning, alerting stacks, and more.
Qualifications
- Experience in cybersecurity with a focus on detection and response.
- Proficiency in programming languages relevant to cybersecurity (e.g., Python, PowerShell).
- A strong understanding of security tools and systems.
- Ability to write code for threat detection and automation.
- Excellent analytical and problem-solving skills.
Working at Janestreet
Our Cybersecurity team comprises skilled programmers and security experts dedicated to keeping the firm safe. We stay informed about developments in cybersecurity, distinguishing between significant research advancements and practical applications for our daily work. You will be part of a dynamic environment where you can apply a methodical approach to resolving cybersecurity issues.
Next Steps
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.
Explore Janestreet online
What people say about Janestreet
Recent news
- Secretive Wall Street Powerhouse Jane Street Seizes the AI Spotlight - WSJ
- Morning Coffee: The Jane Street dress code & the humans it hires now. Private equity pay when there are no exits - eFinancialCareers
- Did Jane Street See The Terra Crash Coming? Lawsuit Claims Firm Sold ‘Mere Hours’ Before Collapse - Stocktwits
- Is the Texas Stock Exchange the Biggest Capital Markets Event in Decades? TXSE Goes Live - Disruption Banking
- Jane Street Signs $6 Billion AI Cloud Agreement with CoreWeave - CoreWeave
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 Analyst
- 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 (266 words)
Facts above come from this job record on Get A Job.AI — not copied from third-party review sites.
Typical work in Cybersecurity Analyst
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
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Occupation family: Cybersecurity Analyst
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