Security jobs in United Kingdom

• C

  Cyber Threat Intelligence Lead

  8 weeks ago

  CyberCube · London, England, United Kingdom +1

  HybridFull-timeLead / staff$115K – $140K a yearSecurity

  CyberCube delivers the world's leading analytics to quantify digital risk, helping the largest global carriers, reinsurers and brokers understand, price and manage cyber risk in financial terms.

• C

  Cyber Threat Intelligence Principal

  8 weeks ago

  CyberCube · London, England, United Kingdom +1

  HybridFull-timeLead / staff$185K – $235K a yearSecurity

  CyberCube delivers the world's leading analytics to quantify digital risk, helping the largest global carriers, reinsurers and brokers understand, price and manage cyber risk in financial terms.

• C

  Security Engineer

  8 weeks ago

  Conduct · London, England, United Kingdom

  On-siteFull-timeSecurity

  The world's largest companies are slowed down by the software they run on. We're building the AI operating system that absorbs IT complexity and unlocks entirely new levels of speed, output, and ambition. We believe this is a generation-defining mission. Major enterprises…

• QR

  Senior Security Engineer - AI

  8 weeks ago

  Qube Research & Technologies · London, England, United Kingdom

  Full-timeSeniorSecurity

  QRT is a global quantitative and systematic investment manager, operating across all liquid asset classes. We are a data- and technology-driven organization applying scientific methods to investing. Our collaborative culture and focus on innovation enable us to solve complex…

• FH

  VP of Security & Infrastructure

  8 weeks ago

  Flo Health · London, England, United Kingdom

  HybridExecutive£200K – £220K a yearSecurity

  This role unites Security and Infrastructure under a single organizational mandate to ensure security practices align directly with rapid engineering execution and platform scalability. Flo Health protects the data of over 80 million monthly active users, holding ISO 27001 and…

• IG

  Information Security Manager

  8 weeks ago

  ION Group · London, England, United Kingdom

  On-siteFull-timeManagerSecurity

  This is an exciting opportunity to join our dynamic Information Security team at ION. We are seeking a highly skilled and experienced Information Security Officer to join our team. The ideal candidate will have a strong background in SOC2 compliance and possess excellent…

• P

  Security Engineer III - Detection & Response

  2 months ago

  Primer.io · United Kingdom +2

  RemoteFull-timeSeniorSecurity

  Primer is the unified infrastructure for global payments. We give finance and payments teams the visibility and control to reduce complexity, improve performance, and capture more revenue - all from a single platform.

• C

  Penetration Tester

  2 months ago

  Cytix · Manchester, England, United Kingdom

  HybridFull-time£45K – £55K a yearSecurity

  As a Penetration Tester at Cytix, you'll form a core part of our Application Security team, and play in pivotal role in our organisation. In this role, you will be responsible for:

• QR

  Identity and Access Management Lead

  2 months ago

  Qube Research & Technologies · London, England, United Kingdom

  Full-timeLead / staffSecurity

  Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology- and data-driven group implementing a scientific approach to investing. Combining data, research,…

• C

  Senior Software Engineer, Security Rules

  2 months ago

  Cloudflare · Lisboa, Portugal +1

  HybridSenior€66K – €91K a yearSecurity

  Cloudflare’s Engineers build and operate the software that helps power 25+ million Internet properties and millions of businesses around the world. Across our engineering organizations, we have opportunities for high caliber, curious and empathetic people to take on big…

• G

  Principal Security Researcher

  2 months ago

  GitLab · Canada +3

  RemoteLead / staff$203.2K – $275K a yearSecurity

  We are seeking a Principal Security Researcher to join our Application Security Team to conduct cutting-edge security research on GitLab's AI-powered DevSecOps capabilities. As GitLab transforms software development through intelligent collaboration between developers and…

• S

  Staff Application Security Engineer

  2 months ago

  Samsara · United Kingdom

  HybridLead / staffSecurity

  Samsara sits at the center of hardware, software, AI, and the physical world, processing 25+ trillion data points annually across thousands of connected devices. The Samsara Application Security team protects this vast footprint end-to-end, spanning cloud services, internal…

• B

  Security Operations, Engineer

  2 months ago

  Brainlabs · United Kingdom

  Security

  Brainlabs is culture-first. You’ve probably heard other companies describe themselves as people, clients, or profit first – but we see people, clients and profit as the building blocks of our ecosystem. Culture powers all three and we know that when the ecosystem is balanced,…

• OF

  Digital Workplace Manager

  2 months ago

  Oodle Finance · Manchester, England, United Kingdom

  Security

  We're looking for a Digital Workplace Manager to own and deliver our Digital Workplace roadmap, leading the small team that keeps our people productive, supported and secure. This is a hands-on role, balancing team leadership, service ownership, stakeholder engagement and…

• C

  Software Engineer, Security Rules

  2 months ago

  Cloudflare · Lisboa, Portugal +1

  HybridMid level€54K – €75K a yearSecurity

  Cloudflare’s Engineers build and operate the software that helps power 25+ million Internet properties and millions of businesses around the world. Across our engineering organizations, we have opportunities for high caliber, curious and empathetic people to take on big…

• O

  Product Engineer, Cyber

  2 months ago

  OpenAI · San Francisco, California, United States +1

  HybridFull-time$255K – $445K a yearSecurity

  We are building the Defense Factory to help enterprises find and fix security vulnerabilities with AI. We build infrastructure that enables AI agents to work in secure, customer-controlled cloud environments, with the context, tools, and controls they need to investigate…

• C

  Senior Detection & Threat Engineer

  2 months ago

  Checkout.com · London, England, United Kingdom

  On-siteFull-timeSeniorSecurity

  You will own and evolve the company’s threat detection and threat-hunting capability. This role defines what “good” looks like for detection and increasingly engineers it directly as capability shifts into Cyber Security.

• C

  Senior Cloud Security Engineer

  2 months ago

  Checkout.com · London, England, United Kingdom

  On-siteFull-timeSeniorSecurity

  Checkout.com is scaling a multi-cloud environment at pace, and security architecture is central to how we do it safely.

• C

  Senior Cyber Security Engineer

  2 months ago

  Checkout.com · London, England, United Kingdom

  On-siteFull-timeSeniorSecurity

  You will be a hands-on operator at the heart of the Cyber Security team, helping to run, harden, and continuously improve the day-to-day machinery of security. Where the Detection & Threat Engineer defines what "good" looks like, you help make it real, turning standards,…

• C

  Managing Principal (Director) - Operational Resilience & Cyber

  2 months ago

  Capco · London, England, United Kingdom

  Full-timeLead / staffSecurity

  Capco is seeking experienced Managing Principals / Directors to join our Cyber & Operational Resilience capability. In this senior leadership role, you'll act as a strategic advisor and delivery lead, partnering with leading financial institutions to design and implement…

Updated 07 Nov 2026 10:21 UTC from the OptiTalent job library.