Security Engineer Jobs in United Kingdom

Our Vision & Products 🚀 EverAI — Building the Future of AI Companionship One of the Top 15 Largest & Fastest-Growing AI Companies in the World 50 Million Users in 2 years — Help Us Reach 100M first, 500M next At EverAI, we’re shaping what it means to connect with AI. With 50 million users and counti

CAIS is the pioneer in democratizing access to and education about alternative investments for independent financial advisors, empowering them to engage and transact with leading asset managers on a massive scale through a wide variety of alternative investment products and technology solutions. CAI

Are you an experienced Security Engineer who enjoys sharing knowledge as much as solving complex technical challenges? Would you like to use your expertise to mentor the next generation of security talent, partner with engineering teams, and help make security a natural part of how we design, build,

The Synack Red Team (SRT) gives the most talented cybersecurity researchers across the globe a platform to do what they love and get paid for it. As a private community of highly-curated and vetted security penetration testers, the SRT is challenged every day to deliver vulnerability intelligence fo

Security Engineer, Detection & Response Technology — Senior — London (Remote) Who You Are You're a security engineer with a strong software engineering background who'd rather write detection-as-code than click through a SIEM UI. You care about protecting healthcare providers and the patients who de

The Role Are you passionate about building security into software from the ground up? We’re looking for a Senior Application Security Engineer to take charge of strengthening and evolving security. In this role, you won’t just identify risks you’ll lead the charge in transforming how secure software

UserGems is the AI Command Center for outbound and ABM. Think of us as the ‘brain’ behind your go-to-market. We capture account & contact data and buying signals to help companies know who to target, when, and why. Then, take the next actions via humans or AI agents to run personalized outbound

The Company Capital Markets Gateway LLC (CMG) is a financial technology firm, uniquely focused on the equity capital markets (ECM), connecting investors and underwriters via a neutral platform. CMG delivers integrated ECM data and analytics, unrivaled transparency into deal flow, and workflow effici

At CFC, technology is at the heart of everything we do. As a market leader in cyber insurance and a business built on innovation, we’re looking for a Staff Security Engineer to play a critical role in evolving our security capabilities and driving measurable risk reduction across our global technolo

Are you ready to shape the future of data? Matillion is the company behind Maia, the AI Data Automation platform. In the AI economy, demand for data is exploding. Manual data engineering can’t keep up. Maia fixes that by combining 15 years of data expertise with agentic AI to eliminate the manual wo

Talent Wanted. For hazardous journey. Small wages , bitter cold, long months of complete darkness, constant danger, safe return doubtful. Honour and recognition in case of success. Fridtjof Nansen crossed the Arctic, going places no human had ever been. Together with our users, we're doing the

For over 20 years, Smartsheet has empowered teams to manage work seamlessly and scale solutions smarter. Now, in our most ambitious chapter yet, we are uniting human teams with AI agents. By orchestrating the work agents do best, automating manual tasks and uncovering insights at scale, we create th

Who we are Helsing is a defence AI company. Our mission is to protect our democracies. We aim to achieve technological leadership, so that open societies can continue to make sovereign decisions and control their ethical standards. As democracies, we believe we have a special responsibility t

About LastPass LastPass delivers Secure Access Essentials, helping individuals and organizations manage and protect access to AI, applications, and credentials straight from the browser. Trusted by more than 100,000 businesses and millions of users worldwide, LastPass blends strong security with eve

About Atari Atari is an interactive entertainment company and an iconic gaming industry brand recognized worldwide for its multi-platform games and licensed products. Atari owns and/or manages a portfolio of more than 400 games and franchises, including globally recognized brands such as Asteroids®

Senior Application Security Engineer Prolific Prolific is not just another player in the AI space – we are the architects of the human data infrastructure that's reshaping the landscape of AI development. In a world where foundational AI technologies are increasingly commoditized

Ohme is on a mission to accelerate the global transition to clean, affordable energy. We do that by serving as an integrated hardware and software smart-grid platform, focused on the residential EV charging market. The worlds of energy, transport and artificial intelligence are colliding and Ohme is

Valarian: Innovating for the new era of digital sovereignty Valarian Technologies is a dual-use technology company building critical tools to safeguard the future in an era of evolving global security challenges. We're rethinking security beyond traditional military domains, addressing asymmetric th

Olo is a leading SaaS platform accelerating digital transformation in the restaurant industry, by helping customers deliver more personalised and profitable guest experiences. As a result, our digital ordering, payment, and guest engagement solutions enable brands to do more with less and make every

Why Mozilla? Mozilla Corporation is the non-profit-backed technology company that has shaped the internet for the better over the last 25 years. We make pioneering brands like Firefox, the privacy-minded web browser. Now, with more than 225 million people around the world using our products each mon