101 to 125 of 160 Security Testing Jobs in London

Cyber Security Engineer - Cyber & Autonomous Systems Team London, UK About the AI Security Institute The AI Security Institute is the world's largest and best-funded team dedicated to understanding advanced AI risks and translating that knowledge into action. We're in the heart … have an accurate view of risks and capabilities. We use realistic cyber ranges and a large CTF suite for our evaluations, run pre-deployment testing of frontier models, and collaborate with our partners across UK government, frontier labs, and NCSC. Role Description We are looking for exceptional cybersecurity experts ...

secure AI software development, helping millions of developers develop fast and stay secure as AI transforms how software is built. Our AI-native Developer Security Platform integrates seamlessly into development and security workflows, making it easy to find, fix, and prevent vulnerabilities — from code and dependencies to containers … mission is to empower every developer to innovate securely in the AI era — boosting productivity while reducing business risk. We’re not your average security company - we build Snyk on One Team, Care Deeply, Customer Centric, and Forward Thinking. It’s how we stay driven, supportive, and always ...

SEFE Marketing & Trading Ltd in London is seeking a Senior Manager, Security Threat, Vulnerability & Testing to lead enterprise threat intelligence, vulnerability management, and security testing across cyber, OT, physical, and people security domains. You will translate complex findings into clear, risk-based insights for senior … stakeholders, drive threat modelling and remediation lifecycles, and collaborate with Security Operations, GRC and business teams to strengthen resilience and reduce #J-18808-Ljbffr ...

About the Team As AI systems become more advanced, the potential for misuse of their cyber capabilities may pose a threat to the security of organisations and individuals. Cyber capabilities also form common bottlenecks in scenarios across other AI risk areas such as harmful outcomes from biological and chemical … conducting robust empirical tests of AI systems so we can better understand how capable they currently are when it comes to performing cyber security tasks. The AI Security Institute’s Cyber Evaluations Team is developing first-of-its-kind government-run infrastructure to benchmark the progress of advanced ...

pioneering a new role focused exclusively on quality assurance for GenAI/Agentic systems. As our Senior SDET for AI, you'll develop testing strategies, evaluation frameworks, and quality metrics specifically designed for LLM-powered applications. This role requires a unique blend of QA expertise, understanding of GenAI behaviour … agentic workflows. Develop robust, end-to-end automated test suites in Python across evaluations, API checks, UI checks, and performance tests. Create automated prompt testing systems and regression suites to proactively detect unintended changes in model behaviour. Establish multi-dimensional evaluation criteria to measure and track GenAI quality across ...

balancing detection accuracy with computational efficiency Contribute newly discovered coding agent failure modes to Apollo's shared failure mode library (owned by the AI Security & Control Researcher/Engineer) as they surface during monitor design, evaluation, and iteration Stay current with research on AI safety, agent failures, and detection … methodologies Stay current with research into coding security and safety vulnerabilities Fine-tuning & Monitor Development Fine-tune open-source models to create efficient monitors for high-volume production environments Design and build agentic monitoring systems that autonomously investigate logs to identify both known and novel failure modes Incorporate adversarial ...

Software Developer in Test will: Work with the QAA team and Development/Product Managers in an Agile (scrum) environment to automate testing of new features and non-functional requirements (e.g. performance) Review new automation technologies for inclusion in our test strategy and framework Analyse functional business requirements … completeness, participate in application design with developers and create a thorough testing strategy for the feature Understand user profiles and likely usage bringing a user-centric aspect to the team Mentor other team members and provide QA Automation leadership Assist in estimation and planning of future work within ...

looking for an experienced Automation Test Engineer with active eDV Clearance for a client of ours in the National Security space. This role offers the chance to work across some very exciting projects, on multi-year programmes of work. Start: ASAP Location: London & Milton Keynes Duration: 6 months ** Active … Software Development Engineer in Test (SDET), QA Automation Engineer or similar role. Strong hands-on experience developing automated tests using Python 3.13+ . Experience testing containerised applications using Docker . Experience building and maintaining automated test frameworks such as PyTest, Playwright, Selenium or Robot Framework . Experience testing ...

Continuous Threat Exposure Management (CTEM). The HackerOne Platform unites agentic AI solutions with the ingenuity of the world's largest community of security researchers to continuously discover, validate, prioritize, and remediate exposures across code, cloud, and AI systems. Through solutions like bug bounty, vulnerability disclosure, agentic pentesting … teaming, and code security, HackerOne delivers measurable, continuous reduction of cyber risk for enterprises. Industry leaders, including Anthropic, Crypto.com, General Motors, Goldman Sachs, Lufthansa, Uber, UK Ministry of Defence, and the U.S. Department of Defense, trust HackerOne to safeguard their digital ecosystems. HackerOne was recognized in Gartner's Emerging ...

Continuous Threat Exposure Management (CTEM). The HackerOne Platform unites agentic AI solutions with the ingenuity of the world’s largest community of security researchers to continuously discover, validate, prioritize, and remediate exposures across code, cloud, and AI systems. Through solutions like bug bounty, vulnerability disclosure, agentic pentesting … teaming, and code security, HackerOne delivers measurable, continuous reduction of cyber risk for enterprises. Industry leaders, including Anthropic, Crypto.com, General Motors, Goldman Sachs, Lufthansa, Uber, UK Ministry of Defence, and the U.S. Department of Defense, trust HackerOne to safeguard their digital ecosystems. HackerOne was recognized in Gartner’s Emerging ...

Anduril Industries seeks a Senior Product Security engineer to develop novel security tooling, discover vulnerabilities, and secure our AI-enabled and autonomous systems. You will perform architecture reviews, analyze firmware and software, and collaborate with hardware and software teams to harden products across aerospace, defence, and sensing domains. … will lead security feature development, author security documentation, and advance threat modelling, risk assessments, and security testing #J-18808-Ljbffr ...

optimize test tooling, including AI-assisted solutions, to support continuous integration and delivery. Collaborate with QA teams, QA leadership, and Development teams to streamline testing procedures and align automation testing strategies with development processes. Mentor a team of test automation engineers, driving technical direction for test automation across … crafting, assembling, and integrating test automation frameworks through popular tools (e.g., Selenium, Appium, TestRail, API automation solutions). Experience leading complex, multi-team testing initiatives in fast-paced agile environments. Solid experience integrating automation within cloud-based CI/CD pipelines (e.g., Jenkins, GitHub Actions, Azure DevOps). Familiarity ...

Project Description: The project is focused on improving the security, release reliability, maintainability, and operational resilience of business-critical banking applications. Forward Deployed Engineers will conduct targeted, hands-on engagements with development teams that are facing challenges with vulnerability remediation, automated testing, legacy technology, production stability, or achieving … safe and rapid release cadence. The role combines senior software engineering, DevOps, SRE, test automation, application security, and legacy modernization. Approximately 70% of the work involves hands-on coding and configuration. The technical scope includes building effective automated test suites, remediating security vulnerabilities, performing dependency and reachability analysis ...

TipTopJob in London is seeking a Senior Application Security Engineer with hands-on SDLC security experience to work with engineering, architecture and cloud teams. The role is predominantly remote with hybrid options and a London office, offering a competitive salary and benefits. You will implement security testing, integrate controls into CI/CD, strengthen GitHub Actions security, advise on secure API design, support Azure/Kubernetes, and develop security as code and policy as code. #J-18808-Ljbffr ...

Project description The project is focused on improving the security, release reliability, maintainability, and operational resilience of business-critical banking applications. Forward Deployed Engineers will conduct targeted, hands-on engagements with development teams that are facing challenges with vulnerability remediation, automated testing, legacy technology, production stability, or achieving … safe and rapid release cadence. The role combines senior software engineering, DevOps, SRE, test automation, application security, and legacy modernization. Approximately 70% of the work involves hands-on coding and configuration. The technical scope includes building effective automated test suites, remediating security vulnerabilities, performing dependency and reachability analysis ...

Cleared Lead Automation Engineer - Hybrid - Inside IR35 In an hands on capacity, you will conduct and lead automation testing activities to ensure systems meet the highest standards of quality and reliability, engaging in collaborative efforts with diverse teams to assess testing requirements and devise well-structured Automation Test … history of successfully implementing test automation frameworks. Within this role you will be responsible for Functional, System, System Integration, End to End, and Security testing of various critical applications using test automation tools/frameworks such as Karate. • Leading a small team of test automation engineers. • Providing innovation ...

Cleared Lead Automation Engineer - Hybrid - Inside IR35 In an hands on capacity, you will conduct and lead automation testing activities to ensure systems meet the highest standards of quality and reliability, engaging in collaborative efforts with diverse teams to assess testing requirements and devise well-structured Automation Test … history of successfully implementing test automation frameworks. Within this role you will be responsible for Functional, System, System Integration, End to End, and Security testing of various critical applications using test automation tools/frameworks such as Karate. • Leading a small team of test automation engineers. • Providing innovation ...

team. We’re seeking a seasoned Harness Platform Specialist with deep expertise across the Harness Software Delivery Platform, including Continuous Integration, Continuous Delivery, Security Testing Orchestration (STO), Chaos Engineering, Cloud Cost Management (CCM), and Harness AI Agents. The ideal candidate will bring hands on experience in designing scalable … essential. Roles And Responsibilities Lead the design, implementation, and optimization of CI/CD pipelines using the Harness platform, aligned with enterprise delivery, security, and compliance standards. Architect and maintain end‐to‐end delivery workflows across Harness modules, including CI, CD, STO, Chaos Engineering, CCM, and emerging AI‐driven ...

support critical services and digital transformation initiatives. Whether you're an experienced Test Automation Engineer or a software developer looking to transition into automation testing, this role offers the chance to build innovative testing solutions and make a meaningful impact. What You'll Be Doing As a Test … ensure high-quality software delivery through effective test automation. Your responsibilities will include: Designing, developing, and maintaining automated test frameworks and scripts Integrating automated testing into CI/CD pipelines Collaborating with Agile delivery teams to define and implement appropriate test coverage Troubleshooting automation issues and driving continuous improvement ...

will get the opportunity as a team to focus on what you do best – Building awesome products and technology! Key Responsibilities: End-to-end testing of the core platform, including automation and smoke testingCollaborating closely with design, product, and software engineering teammatesCreating and continuously developing the test strategy with … focus on automationTesting both frontend web apps and backend APIsKey Requirements: Expert knowledge in both automated (Cypress) and manual testing with Typescript/javascriptExperience testing both frontend web apps and backend APIsConfidence in building automated regression packsAny experience in security testing tooling would be advantageousExperience working ...

Senior Penetration Tester Remote - Client Travel Required £60,000 - £65,000 VIQU are partnered with a leading Cyber Security Consultancy is looking for an experienced Senior Penetration Tester to join its team. You'll deliver end-to-end penetration testing engagements, work directly with clients and contribute … development of technical capabilities. Key Responsibilities: Deliver penetration tests from scoping through to reporting and client debrief. Conduct testing across web applications, APIs, infrastructure, networks, cloud and mobile environments. Produce high-quality technical reports and present findings to clients. Support engagement scoping, proposals and client relationships. Research emerging vulnerabilities ...

Citi in London is seeking an AI Offensive Security Analyst to join the OSVM team. You will run security assessments against AI systems and use AI-powered tools to speed testing, while building new tooling and adapting to evolving threats. You should have practical security testing ...

routes real issues to remediation Run head-to-head technical evaluations of frontier models on real detection tasks, and let the evidence from testing decide which models and techniques SWIFT relies on Build the integration that plugs AI-assisted detection into how SWIFT develops software, working alongside existing security … rest of the industry is Work entirely within SWIFT's governed access and tooling controls Defend technical decisions under scrutiny from AI and Security peers, and document the methodology so it survives Required Qualifications/Skills Demonstrated hands-on experience applying AI/LLM models to real security ...

Maria Petersen - Alpha Demo (For Product Release) is seeking a Security Engineer to manage security posture and protect the application from threats. You will perform web app pentests, secure cloud infrastructure, and oversee SOC II controls, with the ability to pull the plug on risky features. A strong … background in security testing and proactive risk management is essential. The role requires hands-on experience with Linux, firewall management, and Agile DevOps practices, and offers a #J-18808-Ljbffr ...

GoFractional in London is seeking a Programme Lead Test Manager to own the strategy and delivery of end-to-end testing across a complex portfolio, including SIT, UAT, performance and security testing, across multiple platforms and major projects. You will lead a high-performing team, set quality … metrics, govern offshore/vendor testing, work with senior stakeholders to align testing with business goals, and ensure timely, within-budget delivery. #J-18808-Ljbffr ...