We tackle the most complex problems in quantitative finance, by bringing scientific clarity to financial complexity. From our London HQ, we unite world class researchers and engineers in an...

G-Research is seeking a hands-on Penetration Tester to lead tests and vulnerability assessments across internal systems and security controls. Your work will strengthen our security posture through...

About Refractal Refractal is an AI security company building the infrastructure organisations need to defend against autonomous AI threats. 2026 has shown that generally capable intelligence is...

Are you looking for an exciting new opportunity? Join a global trading firm leveraging technology, research, and risk management to identify and capture trading and investment opportunities across...

Our client is a cyber security company. Working for our client as a vulnerability researcher will see you join a world-class team of developers and vulnerability researchers whose mission is to...

Job Description Purpose of the role To develop, implement and maintain solutions that support the safeguarding of the banks systems and sensitive information. Accountabilities Provision of subject...

Security Consultant (Penetration Testing) Location: Hybrid (UK) Salary: Competitive + Benefits Security Clearance: Current SC preferred About Citation Cyber Citation Cyber is one of the UK's...

Amazon is seeking a Security Engineer within the Traffic Quality Security Engineering team to research ad fraud threats and build robust detection techniques. You will reverse engineer malware...

Advertising at Amazon is a fast-growing, multi-billion dollar business that spans across desktop, mobile and connected devices; encompasses ads on Amazon and a vast network of hundreds of thousands...

Apply before 11:55 pm on Sunday 1st November 2026 At Dstl, our vision is to have a modern way of working efficiently, accommodating and enabling our people to create, collaborate and deliver. To do...

Our client is a cyber security company. 9th November 2026 , we reserve the right to close this advert early if we receive a high volume of suitable applications. Our client's mission is to deliver...

Senior/Staff Security Engineer, Detection & Response About Anthropic Anthropic's mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our...