Jobs in United Kingdom

Security Lead in London

82 active opportunities · Updated October 2026

Explore current security lead jobs in London. Filter by work mode, employment type, experience, department, date posted and distance.

V
📍 London, UK, United Kingdom· Full-time
✓ Quality checkedCompany trend -94.4%

At Vanta, our mission is to help businesses earn and prove trust. We believe that security should be monitored and verified continuously, and we empower companies to practice better security and prove it with ease. Vanta has a kind and talented team, and while some have prior security experience, many have been successful at Vanta without it. As a Solutions Engineer, you'll serve as a trusted technical voice, guiding customers toward clarity, feasibility, and alignment on the end-to-end solution. Because Vanta is the platform our customers rely on to build and run their GRC programmes, this is a natural next step for GRC professionals, programme managers, auditors, and compliance practitioners who want to apply their domain expertise in a strategic, customer-facing pre-sales role. You’ll be an integral part of the Sales team, working to ensure technical fit and create innovative solutions for our customers. Your attention to detail, focused on customer needs, will ultimately improve retention and overall success. With this role being specific to support our DACH Market account teams and customers, having full German Language proficiency is a must for this successful candidate. This role will be based from our London office with an office-centric hybrid schedule. The standard in-office days are Tuesday, Wednesday, and Thursday. GRC practitioners are especially encouraged to apply—whether you've managed GRC programmes in-house, audited them as an internal or external auditor, or helped customers meet their GRC programme needs at a GRC vendor, you'll bring exactly the customer empathy and domain fluency this role thrives on. What you’ll do as a Solutions Engineer at Vanta: Own the technical relationship with our commercial prospects/customers Develop a deep understanding of our product capabilities, integrations, configurations messaging, partner ecosystem, and competitive landscape. Listen carefully to prospects and clients to provide market feedback to the product te

JavaScriptPythonJavaAWS
M
📍 London, England, United Kingdom
✓ Quality checked

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Managing Consultant, Services Business Development Mastercard Services is a key differentiator for Mastercard, providing cutting-edge solutions that help our customers achieve their objectives. Centered on data-driven technologies and innovation, our services include payments-focused consulting, loyalty and marketing programs, data-driver platforms and cyber security solutions. Mastercard Services comprises of a diverse and dynamic team of experts who enjoy working in a goal-oriented and collaborative culture. As a member of our sales team, you will be on the frontlines - building excitement and generating demand for our unique services - while partnering with solutions experts to achieve the desired end. All about the role: Mission • Are you motivated by developing new insights into issues and developing recommendations that add real value to clients? • Can you develop strategies and programs for local, regional and global clients? • Do you want to play a key role in driving a world beyond cash? Key responsibilities include: • Identification of client’s pain points, root causes and potential solutions • Ownership of the sales process from prospecting to writing well-structured and persuasive proposals • End-to-end ownership of contract execution and coor

ExcelFinance
O
📍 London, United Kingdom· Full-time
✓ High-confidence listingCompany trend -100%

From £79K/yr

Quick readStrong listing-quality and freshness signals

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Get to know Okta Okta is The World’s Identity Company. We free everyone to safely use any technology—anywhere, on any device or app. Our Auth0 and Okta Platforms enable secure yet flexible access, authentication, and automation that transforms how people move through the digital world, putting Identity at the heart of business security and growth. At Okta, we celebrate a variety of perspectives and experiences. We are not looking for someone who checks every single box, we’re looking for lifelong learners and people who can make us better with their unique experiences. Join our team! We’re building a world where Identity belongs to you. The Okta Technical Account Management Team The TAM team empowers Okta customers to deliver secure, scalable, and transformative identity solutions by acting as their trusted identity coach. We drive lasting success through elevated technical maturity, proactively guiding their identity decisions and long-term identity vision. We guide a customer’s strategy for customer identity, workforce identity, and security posture while driving value in Okta’s suite of products and, ultimately, retention at contract renewal. The Auth0 Technical Account Manager Opportunity This is an exciting opportunity for an experienced technical expert to join the TAM team. This role specialises in the Auth0 platform, which is an easy-to-implement, adaptable authentication and authorization platform for Consumer and SaaS applications. Bas

AWSGitRestMachine Learning
O
📍 London, United Kingdom· Full-time
✓ High-confidence listingCompany trend -100%

From £119K/yr

Quick readStrong listing-quality and freshness signals

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. About the Role We are seeking a Pre-sales Architect to join our team of identity security experts. In this role, you will leverage your technical expertise and business acumen to drive customer success, helping organisations modernise and secure their identity ecosystems. As a trusted advisor, you will collaborate with enterprise customers, channel partners, and internal teams to deliver innovative identity and access management (IAM) solutions that align with business goals. This role requires a balance of strategic thinking, technical depth, and exceptional communication skills to translate complex identity challenges into solutions that address customer needs. You’ll play a pivotal role in accelerating sales cycles, enabling technical wins, and shaping the future of identity in your region. The Opportunity Reporting into the EMEA Office of the Field CTO, this role will be challenged daily to show prospects and customers how Okta can help solve their business challenges. We are searching for individuals that have experience deploying identity and access management solutions in large and complex environments. This hands-on experience and exposure to the operational aspect of real customer deployments is what sets you apart and provides credibility to the architectures you design and propose. Your proven experience with other products and legacy solutions will be invaluable when assessing a customer’s existing challenges and planning the

JavaScriptPythonJavaNode.js
O
📍 London, Greater London, United Kingdom· Full-time
✓ Quality checkedCompany trend -100%

About the Team The Applications Engineering team works across research, engineering, product, and design to bring OpenAI’s technology to consumers and businesses. You’ll join the team responsible for running the core infrastructure that supports products like ChatGPT and the API. The systems we support include our kubernetes clusters, infrastructure deployment, our networking stack, cloud abstractions, and more. We seek to learn from deployment and distribute the benefits of AI, while ensuring that this powerful tool is used responsibly and safely. Safety is more important to us than unfettered growth. About the Role The cloud infrastructure team builds and maintains infrastructure abstractions allowing OpenAI to ship products quickly and scalably. In this role, you will: Design and build the development and production platforms that power our products, enabling reliability and security at scale Ensure our infrastructure can scale to the next order of magnitude Help create a diverse, equitable, and inclusive culture that makes all feel welcome while enabling radical candor and the challenging of group think Like all other teams, we are responsible for the reliability of the systems we build. This includes an on-call rotation to respond to critical incidents as needed. You might thrive in this role if you: Have 5+ years building core infrastructure Have experience operating orchestration systems such as Kubernetes at scale Have experience building abstractions over cloud platforms Take pride in building and operating scalable, reliable, secure systems Are comfortable with ambiguity and rapid change About OpenAI OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. We push the boundaries of the capabilities of AI systems and seek to safely deploy them to the world through our products. AI is an extremely powerful tool that must be created with safety and human needs at its core, and

AWSKubernetesRestAI
O
📍 London, United Kingdom· Full-time
✓ High-confidence listingCompany trend -100%

From £108K/yr

Quick readStrong listing-quality and freshness signals

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. The UK&I Solutions Engineering team guides Okta customers through their entire journey, from initial engagement to upsell and cross-sell, using their expertise in presentations, events, and meetings to ensure customers drive maximum value from our platform. We are looking for great teammates that can build sales presentations, product demonstrations, and educate customers (everyone from developers to product managers to C-level executives) on Identity Security. Okta’s Solutions Engineers empathise with customers and quickly discern their true technical needs by asking detailed and clarifying questions and presenting solutions that target those needs. You have the rare combination of technical savviness and business insight and you’re looking for a career where you can utilise both. As a Solutions Engineer at Okta, you will hone each of these skills by advising a diverse set of customers on what is possible using Okta’s Identity Platform. What you’ll be doing: Involved in all stages of the customer’s sales lifecycle in the role of trusted technical advisor. Building sales presentations, product demonstrations, and educate customers (everyone from developers to product managers to C-level executives) on the best ways to secure identity. Empathise with customers and quickly discern their true technical needs by asking detailed and clarifying questions and presenting solutions that target those needs. Using your technical savviness and business

AWSRestMachine LearningAI
R
📍 London, United Kingdom· Full-time
✓ High-confidence listingCompany trend -100%
Quick readStrong listing-quality and freshness signals

Join us in building the future of finance. Our mission is to democratize finance for all. An estimated $124 trillion of assets will be inherited by younger generations in the next two decades. The largest transfer of wealth in human history. If you’re ready to be at the epicenter of this historic cultural and financial shift, keep reading. About the team + role We are building an elite team, applying frontier technologies to the world’s biggest financial problems. We’re looking for bold thinkers. Sharp problem-solvers. Builders who are wired to make an impact. Robinhood isn’t a place for complacency, it’s where ambitious people do the best work of their careers. We’re a high-performing, fast-moving team with ethics at the center of everything we do. Expectations are high, and so are the rewards. The Custody Services team is responsible for managing our crypto infrastructure, digital asset custody providers, and the various integrations we maintain with third-parties — from wallet management to crypto infrastructure management! The team is also responsible for processing crypto transactions, as well as products like staking, lending, and travel rule compliance. We currently safeguard billions in assets under custody for millions of customers. As a Senior Backend Engineer on this team, you'll work on the infrastructure behind crypto processing, wallet and key management workflows, and our integrations with third-party custodians. Most of what you'll build sits at the boundary between infrastructure and security. This role is based in our London, UK office(s), with in-person attendance expected at least 3 days per week . At Robinhood, we believe in the power of in-person work to accelerate progress, spark innovation, and strengthen community. Our office experience is intentional, energizing, and designed to fully support high-performing teams. Requires participation in an on-call rotation to support business needs. What you’ll do Build and run the AWS infra

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